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1.
  • Axmon, Anna, et al. (författare)
  • Polychlorinated biphenyls in blood plasma among Swedish female fish consumers in relation to time to pregnancy
  • 2001
  • Ingår i: Journal of Toxicology and Environmental Health. Part A: Current Issues. - : Informa UK Limited. - 1087-2620 .- 1528-7394. ; 64:6, s. 485-498
  • Tidskriftsartikel (refereegranskat)abstract
    • The purpose of this study was to assess the association between 2,2',4,4',5,5'-hexachlorobiphenyl (CB-153) in plasma, a biomarker of exposure to polychlorinated biphenyls (PCB), and time to pregnancy (TTP) in a group of women with a varying dietary exposure to PCB. For 121 Swedish east coast fishermen's wives (median year of birth 1956, range 1945-1968), information on selt-reported TTP for the first planned pregnancy (median 2 mo, range 0-48) and CB-153 concentrations from blood samples drawn in 1995 (median 144 ng/g lipid, range 16-566) were available. Each woman's CB-153 concentration in plasma at the time immediately preceding her pregnancy was estimated, taking into account reduction of body burden of CB-153 due to lactation, the yearly reduction of PCB in Baltic Sea fish, as well as the biological half-life of CB-153. Based on the estimated CB-153 concentrations, subjects were categorized into tertiles as low (37-206 ng/g lipid), medium (207-330 ng/g lipid), and high (331-,1036 ng/g lipid) exposure groups. TTP in the medium- and high-exposure groups were then compared to TTP in the low-exposure group by estimating the corresponding success rate (i.e., the number of pregnancies per person month) ratios (SuRR) using discrete Cox regression, taking into account essential confounders. No obvious association between estimated CB-153 concentration and TTP was observed (medium vs. low: SuRR 0.77 [95% CI 0.47-1.28] and high vs. low: SuRR 0.95 10.74-1.23]). The present data give no support for a negative association between the plasma CB-153 concentrations observed in the present study and TTP. It should, however, be borne in mind that the study group was rather small and mainly included relatively young women, likely to have been only moderately exposed.
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2.
  • Bergquist, Henrik, 1969, et al. (författare)
  • Combined stent insertion and single high-dose brachytherapy in patients with advanced esophageal cancer - results of a prospective safety study.
  • 2011
  • Ingår i: Diseases of the esophagus. - : Oxford University Press (OUP). - 1442-2050 .- 1120-8694. ; Early View
  • Tidskriftsartikel (refereegranskat)abstract
    • Previous randomized studies comparing the two commonly used palliative treatments for incurable esophageal cancer, i.e. stent insertion and intraluminal brachytherapy, have revealed the pros and cons of each therapy. While stent treatment offers a more prompt effect, brachytherapy results in more long-lasting relief of dysphagia and a better health-related quality of life (HRQL) in those living longer. This prospective pilot study aimed to explore the feasibility and safety of combining these two regimes and incorporating a single high dose of internal radiation. Patients with newly diagnosed, incurable cancer of the esophagus and dysphagia were eligible for inclusion, and stent insertion followed by a single dose (12Gy) of brachytherapy was performed as a two-stage procedure. Clinical parameters including HRQL and adverse events were registered at inclusion, and 1, 2, 3, 6, and 12 months later. Twelve patients (nine males) with a median age of 73 years (range 54-85) were included. Stent insertion followed by a single dose of brachytherapy was successfully performed in all but one patient who was treated with stent only. Relief of dysphagia was achieved in the majority of cases (10/11, P < 0.05), but HRQL did not improve except for dysphagia-related items. Only minor adverse events, including chest pain, reflux, and restenosis, were reported. The median survival time after inclusion was 6.6 months. Our conclusion is that the combination of stent insertion and single high-dose brachytherapy seems to be a feasible and safe palliative regime in patients with advanced esophageal cancer. Randomized trials comparing the efficacy of this strategy to stent insertion or brachytherapy alone are warranted.
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3.
  • Bohm-Starke, Nina, et al. (författare)
  • Decreased mechanical pain threshold in the vestibular mucosa of women using oral contraceptives : a contributing factor in vulvar vestibulitis?
  • 2004
  • Ingår i: Journal of reproductive medicine. - Chicago : The Journal. - 0024-7758 .- 1943-3565. ; 49:11, s. 888-892
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective:To analyze possible differences in somatosensory perception in the vestibular mucosa in healthy women associated with the use of oral contraceptives.Study design:Quantitative sensory tests were performed on the vestibular mucosa in 39 healthy women. Twenty women were using oral contraceptives containing 30-40 µg ethinyl estradiol combined with various progestins; 19 women with regular menstrual periods not using oral contraceptives served as controls. The testing included mechanical and heat pain thresholds and detection thresholds of warmth and cold in the anterior and posterior part of the vestibule.Results:Significant lower mechanical pain thresholds were observed in both areas tested in women using oral contraceptives. The most sensitive area was the posterior vestibule in the group using oral contraceptives with a mechanical pain threshold of 72±10 (±SEM) mN as compared to 161±3 mN (p<0.01), in the controls. The result of the thermotest showed no significant differences between the groups.Conclusion:Oral contraceptives may induce increased sensitivity in the vestibular mucosa in healthy women and might be one contributing factor in the development of vulvar vestibulitis.
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4.
  • Bonde, Jens Peter, et al. (författare)
  • Fertility and markers of male reproductive function in Inuit and European populations spanning large contrasts in blood levels of persistent organochlorines
  • 2008
  • Ingår i: Environmental Health Perspectives. - : Environmental Health Perspectives. - 1552-9924 .- 0091-6765. ; 116:3, s. 269-277
  • Forskningsöversikt (refereegranskat)abstract
    • OBJECTIVE: We synthesized the main findings from an international epidemiologic study on the impact of biopersistent organic pollutants (POPs) on human reproductive function. DATA SOURCES AND EXTRACTION: We used a database with interview and biological data from 2,269 women and their spouses, and 18 published core papers. DATA SYNTHESIS: The study did not provide direct evidence of hormone-like activity of the polychlorinated biphenyl (PCB) congener CB-153 and the main dichlorodiphenyltrichloroethane (DDT) metabolite, 1 1 1 -dichloro-2,2-bis (p-chlorophenyl) ethylene (p,p'-DDE), as serum concentrations of these compounds were not consistently related to either endogenous or exogenous hormone activity in serum. Nevertheless several links bewteen POP exposure and biomarkers of male reproductive function were identified. First, an association between high CB-153 serum levels and low sperm counts was detected within a subgroup of men with short androgen receptor CAG repeat length. Second, a relationship between increased CB-153 serum concentrations and decreased sperm motility was seen in all four studied regions, and indications of reduced neutral alpha-glucosidase activity in seminal plasma point to a post-testicular effect. Third, damage of sperm chromatin integrity was considerably less frequent in Greenlandic Inuits compared with that in European groups, and only in the latter was impairment of sperm chromatin integrity related to POPs. Despite these effects, fertility in terms of time taken to conceive was not related to POPs except in Inuits. A likely explanation of the latter was not identified. CONCLUSIONS: POPs may interfere with male reproductive function without major impact on fertility. The data do not provide direct evidence for endocrine disruption, hence other mechanisms should also be considered.
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5.
  • Christakoudi, Sofia, et al. (författare)
  • Weight change in middle adulthood and risk of cancer in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort
  • 2021
  • Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136 .- 1097-0215. ; 148:7, s. 1637-1651
  • Tidskriftsartikel (refereegranskat)abstract
    • Obesity is a risk factor for several major cancers. Associations of weight change in middle adulthood with cancer risk, however, are less clear. We examined the association of change in weight and body mass index (BMI) category during middle adulthood with 42 cancers, using multivariable Cox proportional hazards models in the European Prospective Investigation into Cancer and Nutrition cohort. Of 241 323 participants (31% men), 20% lost and 32% gained weight (>0.4 to 5.0 kg/year) during 6.9 years (average). During 8.0 years of follow-up after the second weight assessment, 20 960 incident cancers were ascertained. Independent of baseline BMI, weight gain (per one kg/year increment) was positively associated with cancer of the corpus uteri (hazard ratio [HR] = 1.14; 95% confidence interval: 1.05-1.23). Compared to stable weight (±0.4 kg/year), weight gain (>0.4 to 5.0 kg/year) was positively associated with cancers of the gallbladder and bile ducts (HR = 1.41; 1.01-1.96), postmenopausal breast (HR = 1.08; 1.00-1.16) and thyroid (HR = 1.40; 1.04-1.90). Compared to maintaining normal weight, maintaining overweight or obese BMI (World Health Organisation categories) was positively associated with most obesity-related cancers. Compared to maintaining the baseline BMI category, weight gain to a higher BMI category was positively associated with cancers of the postmenopausal breast (HR = 1.19; 1.06-1.33), ovary (HR = 1.40; 1.04-1.91), corpus uteri (HR = 1.42; 1.06-1.91), kidney (HR = 1.80; 1.20-2.68) and pancreas in men (HR = 1.81; 1.11-2.95). Losing weight to a lower BMI category, however, was inversely associated with cancers of the corpus uteri (HR = 0.40; 0.23-0.69) and colon (HR = 0.69; 0.52-0.92). Our findings support avoiding weight gain and encouraging weight loss in middle adulthood.
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6.
  • Deschasaux, M., et al. (författare)
  • Nutritional quality of food as represented by the FSAm-NPS nutrient profiling system underlying the Nutri-Score label and cancer risk in Europe: Results from the EPIC prospective cohort study
  • 2018
  • Ingår i: Plos Medicine. - : Public Library of Science (PLoS). - 1549-1676 .- 1549-1277. ; 15:9
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Helping consumers make healthier food choices is a key issue for the prevention of cancer and other diseases. In many countries, political authorities are considering the implementation of a simplified labelling system to reflect the nutritional quality of food products. The Nutri-Score, a five-colour nutrition label, is derived from the Nutrient Profiling System of the British Food Standards Agency (modified version) (FSAm-NPS). How the consumption of foods with high/low FSAm-NPS relates to cancer risk has been studied in national/regional cohorts but has not been characterized in diverse European populations. This prospective analysis included 471,495 adults from the European Prospective Investigation into Cancer and Nutrition (EPIC, 1992-2014, median follow-up: 15.3 y), among whom there were 49,794 incident cancer cases (main locations: breast, n = 12,063; prostate, n = 6,745; colon-rectum, n = 5,806). Usual food intakes were assessed with standardized country-specific diet assessment methods. The FSAm-NPS was calculated for each food/beverage using their 100-g content in energy, sugar, saturated fatty acid, sodium, fibres, proteins, and fruits/vegetables/legumes/nuts. The FSAm-NPS scores of all food items usually consumed by a participant were averaged to obtain the individual FSAm-NPS Dietary Index (DI) scores. Multi-adjusted Cox proportional hazards models were computed. A higher FSAm-NPS DI score, reflecting a lower nutritional quality of the food consumed, was associated with a higher risk of total cancer (HRQ5 versus (Q1) = 1.07; 95% CI 1.03-1.10, P-trend < 0.001). Absolute cancer rates in those with high and low (quintiles 5 and 1) FSAm-NPS DI scores were 81.4 and 69.5 cases/10,000 person-years, respectively. Higher FSAm-NPS DI scores were specifically associated with higher risks of cancers of the colon-rectum, upper aerodigestive tract and stomach, lung for men, and liver and postmenopausal breast for women (all P < 0.05). The main study limitation is that it was based on an observational cohort using self-reported dietary data obtained through a single baseline food frequency questionnaire; thus, exposure misclassification and residual confounding cannot be ruled out. In this large multinational European cohort, the consumption of food products with a higher FSAm-NPS score (lower nutritional quality) was associated with a higher risk of cancer. This supports the relevance of the FSAm-NPS as underlying nutrient profiling system for front-of-pack nutrition labels, as well as for other public health nutritional measures.
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7.
  • Dillner, Lena, et al. (författare)
  • Randomized healthservices study of human papillomavirus-based management of low-grade cytological abnormalities.
  • 2011
  • Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136 .- 1097-0215. ; okt, s. 151-159
  • Tidskriftsartikel (refereegranskat)abstract
    • Human Papillomavirus (HPV)-based management of women with borderline (ASCUS) or mildly abnormal (CINI) cervical cytology has been extensively studied in the research setting. We wished to assess safety and healthcare resource use of a real-life healthcare policy using HPV triaging.All 15 outpatient clinics involved in the organized population-based screening program in Stockholm, Sweden screening program were randomized to either continue with prior policy (colposcopy of all women with ASCUS/CINI) or to implement a policy with HPV triaging and colposcopy only of HPV-positive women. The trial enrolled the 3319 women that were diagnosed with ASCUS (n=1335) or CINI (n=1984) in Stockholm during 17(th) March 2003 to 16(th) January 2006. Detection of high-grade cervical lesions (CINII+) and health care cost consumption was studied by registry linkages.The proportion of histopathology-verified CINII+ was similar for the 2 policies (395/1752 women (22.5%; 95% Confidence interval (CI): 20,6-24,6%) had CINII+ diagnosed with HPV triaging policy, 318/1567 women (20.3%; 95%CI: 18,3-22,4%)) had CINII+ with colposcopy policy). 64% of women with ASCUS and 77% of women with CINI were HPV-positive. HPV-positivity was age-dependent, with 81% of women below 35 years of age and 44% of women above 45 years of age testing HPV-positive. HPV triaging was cost-effective only above 35 years of age.In conclusion, a real-life randomised healthservices study of HPV triaging of women with ASCUS/CINI demonstrated similar detection of CINII+ as colposcopy of all women.
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8.
  • Eberhard, Jakob, et al. (författare)
  • Emotional disorders in testicular cancer survivors in relation to hypogonadism, androgen receptor polymorphism and treatment modality.
  • 2010
  • Ingår i: Journal of Affective Disorders. - : Elsevier BV. - 1573-2517 .- 0165-0327. ; 122, s. 260-266
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: It has been documented that testicular germ cell cancer (TGCC) patients may be at increased risk of developing emotional distress (EMD). Hence, the aim of the present study was to investigate whether EMD is related to the presence of hypogonadism, androgen receptor (AR) polymorphism and/or treatment intensity. PATIENTS AND METHODS: Three to five years after treatment, testosterone and luteinizing hormone (LH) levels were measured in 165 TGCC patients. These patients also completed a questionnaire concerning mental health. EMD was measured by the Hospital Anxiety and Depression Scale (HADS). The androgen receptor (AR) gene has two polymorphic regions in exon I; glutamine encoding CAG and glycine encoding GGN repeats. Association between emotional disorders and AR polymorphisms as well as type of treatment was assessed. RESULTS: Neither anxiety (OR 1.0; 95% CI 0.40-2.4) nor depression (OR 1.1; 95% CI 0.20-6.4) were overrepresented in biochemically hypogonadal TGCC patients and no association between AR polymorphisms and EMD was found. Patients treated with >/=5 cycles of cisplatinum based chemotherapy due to refractory or relapsed disease were more prone to experiencing symptoms of anxiety (p=0.006), but not depression (p=0.38). CONCLUSIONS: Biochemical hypogonadism and AR polymorphism do not seem to be risk factors for EMD in TGCC patients. Patients with refractory or relapsed disease receiving >/=5 cycles of cisplatinum based chemotherapy may, to a higher degree than patients receiving less intense therapy, suffer from anxiety.
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9.
  • Eberhard, Jakob, et al. (författare)
  • Sexual Function in Men Treated for Testicular Cancer.
  • 2009
  • Ingår i: Journal of Sexual Medicine. - : Oxford University Press (OUP). - 1743-6109 .- 1743-6095. ; 6, s. 1979-1989
  • Tidskriftsartikel (refereegranskat)abstract
    • ABSTRACT Introduction. Testicular germ cell cancer (TGCC) patients may be at risk of developing sexual dysfunction after treatment. Aim. The aim of this study was to assess the prevalence of sexual dysfunctions in TGCC patients 3 to 5 years after treatment, and relate findings to biochemical hypogonadism, treatment intensity, and the expected prevalence in the Swedish male population. Methods. A questionnaire study on 129 consecutive TGCC patients 3 to 5 years post-treatment was performed. Comparators were an age-matched nationally representative group of men (N = 916) included in a study on sexual life in Sweden. Main Outcome Measures. Sexual functions (including erectile dysfunctional distress), time since last intercourse, sexual satisfaction, and experience of sexological treatment seeking were assessed using the same questions used in the epidemiological study on sexual life in Sweden. The findings in TGCC patients were correlated to biochemical signs of hypogonadism and type of oncological treatment: Surveillance, adjuvant chemotherapy, adjuvant radiotherapy, or standard doses of chemotherapy. Results. A higher proportion of TGCC patients than comparators were likely to report low sexual desire (odds ratio [OR] 6.7 [95% confidence interval {CI} 2.1-21]) as well as erectile dysfunction (OR 3.8 [95% CI 1.4-10]). No significant differences were observed regarding erectile dysfunctional distress, change of desire over time, interest in sex, premature or delayed ejaculation, time since last intercourse, need for or receiving sexual advice, or sexual satisfaction. Hypogonadism did not predict erectile dysfunction (OR 1.1 [95% CI 0.26-4.5]) or low sexual desire (OR 1.2 [95% CI 0.11-14]). Treatment modality had no obvious impact on sexual function. Conclusion. Men treated for testicular cancer had higher risk of having low sexual desire and erectile dysfunction 3 to 5 years after completion of therapy than comparators. These sexual dysfunctions were not significantly associated with treatment intensity or hypogonadism. Eberhard J, Ståhl O, Cohn-Cedermark G, Cavallin-Ståhl E, Giwercman Y, Rylander L, Eberhard-Gran M, Kvist U, Fugl-Meyer KS, and Giwercman A. Sexual function in men treated for testicular cancer. J Sex Med **;**:**-**.
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10.
  • Ehrström, Sophia, et al. (författare)
  • Lactic acid bacteria colonization and clinical outcome after probiotic supplementation in conventionally treated bacterial vaginosis and vulvovaginal candidiasis
  • 2010
  • Ingår i: Microbes and infection. - : Elsevier BV. - 1286-4579 .- 1769-714X. ; 12:10, s. 691-699
  • Tidskriftsartikel (refereegranskat)abstract
    • This randomized double-blind placebo controlled study assessed the vaginal colonization of lactic acid bacteria and clinical outcome. Vaginal capsules containing L gasseri LN40, Lactobacillus fermentum LN99, L. casei subsp. rhamnosus LN113 and P. acidilactici LN23, or placebos were administered for five days to 95 women after conventional treatment of bacterial vaginosis and/or vulvovaginal candidiasis. Vulvovaginal examinations and vaginal samplings were performed before and after administration, after the first and second menstruation, and after six months. Presence of LN strains was assessed using RAPD analysis. LN strains were present 2-3 days after administration in 89% of the women receiving LN strains (placebo: 0%, p < 0.0001). After one menstruation 53% were colonized by at least one LN strain. Nine percent were still colonized six months after administration. Ninety-three percent of the women receiving LN strains were cured 2-3 days after administration (placebo: 83%), and 78% after one menstruation (placebo: 71%) (ns). The intervention group experienced less malodorous discharge 2-3 days after administration (p = 0.03) and after the second menstruation (p = 0.04), compared with placebo. In summary, five days of vaginal administration of LN strains after conventional treatment of bacterial vaginosis and/or vulvovaginal candidiasis lead to vaginal colonization, somewhat fewer recurrences and less malodorous discharge. 
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11.
  • Elfgren, Kristina, et al. (författare)
  • Colposcopic and histopathologic evaluation of women participating in population-based screening for human papillomavirus deoxyribonucleic acid persistence
  • 2005
  • Ingår i: Am J Obstet Gynecol. - : Elsevier BV. ; 193:3, s. 650-657
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: Evaluation of colposcopic and histopathological findings in women screened for cervical human papillomavirus deoxyribonucleic acid persistence. STUDY DESIGN: A total of 12 527 women, aged 32 to 38 years old, attending the population-based cervical cancer screening program in Sweden were randomized 1:1 to mock testing or human papillomavirus deoxyribonucleic acid testing by general primer 5+/6+ polymerase chain reaction and subsequent typing. Human papillomavirus deoxyribonucleic acid-positive women with a normal Papanicolaou smear (n=341) and an equal number from the control group were human papillomavirus tested on average 19 months later. One hundred nineteen women with type-specific human papillomavirus persistence and 111 controls were referred to colposcopy, and 84.8% attended. RESULTS: Histopathology from colposcopically directed biopsies confirmed cervical intraepithelial neoplasia grade 2 or 3 in 28 of 100 of the women with human papillomavirus deoxyribonucleic acid persistence and in 2 of 95 among controls. CONCLUSION: Among women with normal Papanicolaou smear attending population-based screening, the positive predictive value of human papillomavirus deoxyribonucleic acid persistence for detection of biopsy-confirmed cervical intraepithelial neoplasia 2 or 3 was 29%.
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13.
  • Fiolet, Thibault, et al. (författare)
  • Dietary intakes of dioxins and polychlorobiphenyls (PCBs) and breast cancer risk in 9 European countries
  • 2022
  • Ingår i: Environment International. - : Elsevier. - 0160-4120 .- 1873-6750. ; 163
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Dioxins and polychlorobiphenyls (PCBs) are persistent organic pollutants that have demonstrated endocrine disrupting properties. Several of these chemicals are carcinogenic and positive associations have been suggested with breast cancer risk. In general population, diet represents the main source of exposure.Methods: Associations between dietary intake of 17 dioxins and 35 PCBs and breast cancer were evaluated in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort from nine European countries using multivariable Cox regressions. The present study included 318,607 women (mean ± SD age: 50.7 ± 9.7) with 13,241 incident invasive breast cancers and a median follow-up of 14.9 years (IQR = 13.5–16.4). Dietary intake of dioxins and PCBs was assessed combining EPIC food consumption data with food contamination data provided by the European Food Safety Authority.Results: Exposure to dioxins, dioxins + Dioxin-Like-PCBs, Dioxin-Like-PCBs (DL-PCBs), and Non-Dioxin-Like-PCBs (NDL-PCBs) estimated from reported dietary intakes were not associated with breast cancer incidence, with the following hazard ratios (HRs) and 95% confidence intervals for an increment of 1 SD: HRdioxins = 1.00 (0.98 to 1.02), HRdioxins+DL-PCB = 1.01 (0.98 to 1.03), HRDL-PCB = 1.01 (0.98 to 1.03), and HRNDL-PCB = 1.01 (0.99 to 1.03). Results remained unchanged when analyzing intakes as quintile groups, as well as when analyses were run separately per country, or separating breast cancer cases based on estrogen receptor status or after further adjustments on main contributing food groups to PCBs and dioxins intake and nutritional factors.Conclusions: This large European prospective study does not support the hypothesis of an association between dietary intake of dioxins and PCBs and breast cancer risk.
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14.
  • Fjalldal, Sigridur, et al. (författare)
  • Brain white matter lesions are associated with reduced hypothalamic volume and cranial radiotherapy in childhood-onset craniopharyngioma
  • 2021
  • Ingår i: Clinical Endocrinology. - : Wiley. - 0300-0664 .- 1365-2265. ; 94:1, s. 48-57
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: White matter lesions (WML) are caused by obstruction of small cerebral vessels associated with stroke risk. Craniopharyngioma (CP) patients suffer from increased cerebrovascular mortality. Objective: To investigate the effect of reduced HT volume and cranial radiotherapy (CRT) on WML in childhood-onset CP patients. Design: A cross-sectional study of 41 patients (24 women) surgically treated childhood-onset CP in comparison to controls. Setting: The South Medical Region of Sweden (2.5 million inhabitants). Methods: With magnetic resonance imaging (MRI), we analysed qualitative measurement of WML based on the visual rating scale of Fazekas and quantitative automated segmentation of WML lesion. Also, measurement HT volume and of cardiovascular risk factors were analysed. Results: Patients had a significant increase in WML volume (mL) (P =.001) compared to controls. Treatment with cranial radiotherapy (CRT) vs no CRT was associated with increased WML volume (P =.02) as well as higher Fazekas score (P =.001). WML volume increased with years after CRT (r = 0.39; P =.02), even after adjustment for fat mass and age. A reduced HT volume was associated with increased WML volume (r = −0.61, P <.001) and explained 26% of the variation (r2 = 0.26). Altogether, 47% of the WML volume was explained by age at investigation, HT volume and CRT. Patients with more WML also had higher cardiovascular risk. Conclusions: CRT may be associated directly with increased WML volume or indirectly with reduced HT volume associated with higher cardiovascular risk. Risk factors should be carefully monitored in these patients.
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15.
  • Fjalldal, Sigridur, et al. (författare)
  • Hypothalamic Involvement Predicts Cognitive Performance and Psychosocial Health in Long-term Survivors of Childhood Craniopharyngioma
  • 2013
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - : Endocrine Society. - 0021-972X .- 1945-7197. ; 98:8, s. 3253-3262
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: Hypothalamic damage caused by craniopharyngioma (CP) is associated with poor functional outcome. less thanbrgreater than less thanbrgreater thanObjective: To assess cognitive function and quality of life in childhood-onset CP on hormonal replacement, including GH treatment. less thanbrgreater than less thanbrgreater thanDesign: A cross-sectional study with a median follow-up time of 20 years (1-40). less thanbrgreater than less thanbrgreater thanSetting: Patients were recruited from the South Medical Region of Sweden. less thanbrgreater than less thanbrgreater thanParticipants: The study included 42 patients (20 women) surgically treated for a childhood-onset CP between 1958 and 2000. Patients were aged andgt;= 17 years. Equally many controls, matched for age, sex, residence, and smoking habits, were included. Tumor growth into the third ventricle was found in 25 patients. less thanbrgreater than less thanbrgreater thanMain Outcome Measures: All subjects were examined with a battery of cognitive tests and the following questionnaires: Symptom Checklist-90, the Interview Schedule for Social Interaction, and the Social Network concept. less thanbrgreater than less thanbrgreater thanResults: The CP patients had lower cognitive performance, reaching statistical significance in 12 of 20 test variables, including executive function and memory. Comparison of patients with tumor growth into the third ventricle to controls revealed a significant lower mean total score (P = .006). A significant negative correlation was recorded between mean z-score of cognitive performance and years since operation (r = -0.407; P = .014). No statistically significant group differences were observed across any of the 9 Symptom Checklist-90 subscales. less thanbrgreater than less thanbrgreater thanConclusions: Adults with childhood-onset CP, on hormone replacement, including GH treatment, have memory defects, disturbed attention, and impaired processing speed. Patients with hypothalamic involvement are more affected. Patients rated their quality of life as good as their matched controls.
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16.
  • Follin, Cecilia, et al. (författare)
  • Hypothalamic dysfunction revealed by magnetic resonance diffusion tensor imaging in childhood leukemia survivors treated with cranial radiotherapy but not in craniopharyngeoma survivors
  • 2016
  • Konferensbidrag (refereegranskat)abstract
    • Background: Metabolic complications with obesity are frequent in childhood acute lymphoblastic leukemia (ALL) survivors treated with cranial radiotherapy (CRT). Childhood onset Craniopharyngioma (CP) survivors without hypothalamic (HT) involvement are spared gross obesity. Magnetic resonance diffusion tensor imaging (DTI) provides information of microstructure function of the brain and quantified as fractional anisotrophy (FA), mean diffusivity (MD), axial and radial diffusivity (AD, RD). Since MD in HT is reportedly impaired (increased) in obese compared to non-obese subjects, we investigated DTI in the HT.Methods: Twenty nine ALL survivors on hormone supplementation were investigated 34 years after CRT (24 Gy). 17 CO-CP survivors with hormone supplementation but without HT damage were investigated. Comparisons were made with these two patient populations to 27 matched controls regarding DTI parameters in the HT and for BMI, fat mass, fat free mass and waist/hip measurements.Results: We recorded reduced FA (0.27 vs 0.29, P=0.04), and increased MD (1.13 vs 1.00, P<0.001), AD (1.41 vs 1.25, P<0.001), and RD (0.99 vs 0.86, P<0.001) in the right HT and increased MD (1.42 vs 1.25, P<0.001), AD (1.75 vs 1.58, P<0.001), and RD (1.25 vs 1.04, P<0.001) in left HT in ALL survivors compared to matched controls. The CPs showed no difference in the HT for these parameters compared to controls. ALL survivors with a BMI ≥ 25 showed elevated MD (P=0.03) and AD (P=0.02) compared to ALL survivors with a BMI < 25 and compared to controls with BMI ≥ 25 in the right HT. This was not the case in CP survivors or in controls.Conclusions: Thirty four years after CRT for ALL, DTI measures are deranged in the HT. ALL survivors with a BMI ≥ 25 were presented with worse HT dysfunction. CP survivors were unaffected. The present data suggests changes in the microstructure of the HT in these ALL survivors.
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17.
  • Follin, Cecilia, et al. (författare)
  • Microstructure alterations in the hypothalamus in cranially radiated childhood leukaemia survivors but not in craniopharyngioma patients unaffected by hypothalamic damage
  • 2017
  • Ingår i: Clinical Endocrinology. - : Wiley. - 0300-0664. ; 87:4, s. 359-366
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: Metabolic complications are frequent in childhood leukaemia (ALL) survivors treated with cranial radiotherapy (CRT). These complications are potentially mediated by damage to the hypothalamus (HT), as childhood onset (CO) craniopharyngioma (CP) survivors without HT involvement are spared overt obesity. Diffusion tensor imaging (DTI) shows brain tissue microstructure alterations, by fractional anisotrophy (FA), mean diffusivity (MD), axial diffusivity (AD) and radial diffusivity (RD). We used DTI to determine the integrity of the microstructure of the HT in ALL survivors. Design: Case-control study. Patients: Three groups were included: (i) 27 CRT treated ALL survivors on hormone supplementation, (ii) 17 CO-CP survivors on hormone supplementation but without HT involvement and (iii) 27 matched controls. Measurements: DTI parameters of the HT were measured and body composition. Results: Microstructural alterations in the HT were more severe in ALL survivors with a BMI ≥25 than with BMI <25. Compared to controls, ALL survivors had reduced FA (P=.04), increased MD (P<.001), AD (P<.001) and RD (P<.001) in the right and left HT. In the right HT, ALL survivors with a BMI ≥25 showed elevated MD (P=.03) and AD (P=.02) compared to ALL survivors with BMI <25. In contrast, DTI parameters did not differ between CP survivors and controls. Conclusions: Long-term follow-up after CRT for ALL DTI measures were affected in the HT despite complete hormone replacement. The present data suggest that ALL survivors have demyelination and axonal loss in the HT.
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18.
  • Forslund, Ola, et al. (författare)
  • Population-based type-specific prevalence of high-risk human papillomavirus infection in middle-aged Swedish Women.
  • 2002
  • Ingår i: Journal of Medical Virology. - : Wiley. - 1096-9071 .- 0146-6615. ; 66:4, s. 535-541
  • Tidskriftsartikel (refereegranskat)abstract
    • Human papillomavirus (HPV) DNA testing can be used to identify women at risk of the development of cervical cancer. The cost-effectiveness of HPV screening is dependent on the type-specific HPV prevalence in the general population. The present study describes the prevalence and spectrum of high-risk HPV types found in a large real-life population-based HPV screening trial undertaken entirely within the cervical screening program offered to middle-aged Swedish women. Cervical brush samples from 6,123 women aged 32-38 years were analyzed using a general HPV primer (GP5(+)/6(+)) polymerase chain reaction-enzyme immunoassay (PCR-EIA) combined with reverse dot-blot hybridization for confirmation and HPV typing by a single assay. In this study, 6.8% (95% CI 6.2-7.5) (417/6,123) were confirmed as high-risk HPV positive. Infections with 13 different high-risk HPV types were detected, of which HPV 16 was the most prevalent type (2.1%; 128/6,123), followed by HPV 31 (1.1%; 67/6,123). Any one of the HPV types 18, 33, 35, 39, 45, 51, 52, 56, 58, 59, or 66 was detected in 3.6% (223/6,123) of the women. Infection with two, three, and five types simultaneously was identified in 32, 5, and 1 women, respectively. The combination of PCR-EIA as a screening test and reverse dot-blot hybridization as a confirmatory test, was found to be readily applicable to a real-life population-based cervical screening. The type-specific HPV prevalence found support in previous modeling studies suggesting that HPV screening may be a favorable cervical screening strategy.
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19.
  • Gasull, Magda, et al. (författare)
  • Methodological issues in a prospective study on plasma concentrations of persistent organic pollutants and pancreatic cancer risk within the EPIC cohort
  • 2019
  • Ingår i: Environmental Research. - : Elsevier. - 0013-9351 .- 1096-0953. ; 169, s. 417-433
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The use of biomarkers of environmental exposure to explore new risk factors for pancreatic cancer presents clinical, logistic, and methodological challenges that are also relevant in research on other complex diseases.OBJECTIVES: First, to summarize the main design features of a prospective case-control study -nested within the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort- on plasma concentrations of persistent organic pollutants (POPs) and pancreatic cancer risk. And second, to assess the main methodological challenges posed by associations among characteristics and habits of study participants, fasting status, time from blood draw to cancer diagnosis, disease progression bias, basis of cancer diagnosis, and plasma concentrations of lipids and POPs. Results from etiologic analyses on POPs and pancreatic cancer risk, and other analyses, will be reported in future articles.METHODS: Study subjects were 1533 participants (513 cases and 1020 controls matched by study centre, sex, age at blood collection, date and time of blood collection, and fasting status) enrolled between 1992 and 2000. Plasma concentrations of 22 POPs were measured by gas chromatography - triple quadrupole mass spectrometry (GC-MS/MS). To estimate the magnitude of the associations we calculated multivariate-adjusted odds ratios by unconditional logistic regression, and adjusted geometric means by General Linear Regression Models.RESULTS: There were differences among countries in subjects' characteristics (as age, gender, smoking, lipid and POP concentrations), and in study characteristics (as time from blood collection to index date, year of last follow-up, length of follow-up, basis of cancer diagnosis, and fasting status). Adjusting for centre and time of blood collection, no factors were significantly associated with fasting status. Plasma concentrations of lipids were related to age, body mass index, fasting, country, and smoking. We detected and quantified 16 of the 22 POPs in more than 90% of individuals. All 22 POPs were detected in some participants, and the smallest number of POPs detected in one person was 15 (median, 19) with few differences by country. The highest concentrations were found for p,p'-DDE, PCBs 153 and 180 (median concentration: 3371, 1023, and 810 pg/mL, respectively). We assessed the possible occurrence of disease progression bias (DPB) in eight situations defined by lipid and POP measurements, on one hand, and by four factors: interval from blood draw to index date, tumour subsite, tumour stage, and grade of differentiation, on the other. In seven of the eight situations results supported the absence of DPB.CONCLUSIONS: The coexistence of differences across study centres in some design features and participant characteristics is of relevance to other multicentre studies. Relationships among subjects' characteristics and among such characteristics and design features may play important roles in the forthcoming analyses on the association between plasma concentrations of POPs and pancreatic cancer risk.
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20.
  • Giwercman, Aleksander, et al. (författare)
  • Androgen receptor gene CAG repeat length as a modifier of the association between persistent organohalogen pollutant exposure markers and semen characteristics
  • 2007
  • Ingår i: Pharmacogenetics & Genomics. - : Ovid Technologies (Wolters Kluwer Health). - 1744-6872. ; 17:6, s. 391-401
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives Exposure to persistent organohalogen pollutants was suggested to impair male reproductive function. A gene-environment interaction has been proposed. No genes modifying the effect of persistent organohalogen pollutants on reproductive organs have yet been identified. We aimed to investigate whether the CAG and GGN polymorphisms in the androgen receptor gene modify the effect of persistent organohalogen pollutant exposure on human sperm characteristics. Methods Semen and blood from 680 men [mean (SD) age 34 (10) years] from Greenland, Sweden, Warsaw (Poland) and Kharkiv (Ukraine) were collected. Persistent organohalogen pollutant exposure was assessed by measuring serum levels of 2,2,4,4,5,5'-hexachlorobiphenyl (CB-153) and dichlorodiphenyl dichloroethene (p,p'-DDE). Semen characteristics (volume, sperm concentration, total count proportion of progressively motile and morphology) and DNA fragmentation index (DFI) were determined. CAG and GGN repeat lengths were determined by direct sequencing of leukocyte DNA. Results A statistically significant interaction was found between the CB-153 group and CAG repeat category in relation to sperm concentration and total sperm count (P=0.03 and 0.01, respectively). For p,p'-DDE, in the European cohorts a significant interaction was found in relation to DFI (P=0.01). For CAG<20, sperm concentration and total sperm count were 35 and 42% lower, respectively, when the group with CB-153 exposure above median was compared with that below the median. DF1 was 40% higher in the high p,p'-DDE exposure group for CAG < 21. Conclusions This study indicated that the androgen receptor CAG repeat length might modify the susceptibility of an individual to the adverse effects of persistent organohalogen pollutant exposure on semen quality. Other studies regarding this matter are warranted.
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21.
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22.
  • Gliga, Anda R., et al. (författare)
  • Mild steel welding is associated with alterations in circulating levels of cancer-related proteins
  • 2019
  • Ingår i: Archives of Toxicology. - : Springer Science and Business Media LLC. - 0340-5761 .- 1432-0738. ; 93:12, s. 3535-3547
  • Tidskriftsartikel (refereegranskat)abstract
    • Welding fumes were recently classified as carcinogenic to humans and worldwide millions work as welders or perform welding operations. The purpose of this study was to identify new biomarkers of welding-induced carcinogenesis. We evaluated a panel of 91 putative cancer-related proteins in serum in a cohort of welders working with mild steel (n = 77) and controls (n = 94) from southern Sweden sampled on two occasions 6-year apart using a longitudinal analysis (linear mixed models). The significant results from the longitudinal analysis were tested for reproducibility in welders (n = 88) and controls (n = 69) sampled once during the same sampling period as timepoint 1 or timepoint 2 (linear regression models), i.e., in a cross-sectional setting. The models were adjusted for age, body-mass index, and use of snus. All study participants were non-smokers at recruitment. Exposure to welding fumes was assessed using questionnaires and respirable dust measurement in the breathing zone that was adjusted for personal respiratory protection equipment. The median respirable dust in welders was 0.7 (0.2–4.2) and 0.5 (0.1–1.9) mg/m3 at the first and second timepoints, respectively. We identified 14 cancer-related proteins that were differentially expressed in welders versus controls in the longitudinal analysis, out of which three were also differentially expressed in the cross-sectional analysis (cross-sectional group). Namely, syndecan 1 (SDC1), folate receptor 1 (FOLR1), and secreted protein acidic and cysteine rich (SPARC) were downregulated, in welders compared with controls. In addition, FOLR1 was negatively associated with years welding. Disease and function analysis indicated that the top proteins are related to lung cancer as well as cell invasion and migration. Our study indicates that moderate exposure to welding fumes is associated with changes in circulating levels of putative cancer-related proteins, out of which FOLR1 showed a clear dose–response relationship. It is, however, unclear to which extent these changes are adaptive or potential early biomarkers of cancer.
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23.
  • Hansson, Lena, 1967-, et al. (författare)
  • Vitamin D, liver-related biomarkers, and distribution of fat and lean mass in young patients with Fontan circulation
  • 2022
  • Ingår i: Cardiology in the Young. - : Cambridge University Press. - 1047-9511 .- 1467-1107. ; 32:6, s. 861-868
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction/aim: Young patients with Fontan circulation may have low serum 25-hydroxyvitamin D levels, an affected liver, and unhealthy body compositions. This study aimed to explore the association between vitamin D intake/levels, liver biomarkers, and body composition in young Fontan patients.Method: We collected prospective data in 2017 to 2018, obtained with food-frequency questionnaires, biochemical analyses of liver biomarkers, and dual-energy X-ray absorptiometry scans in 44 children with Fontan circulation. Body compositions were compared to matched controls (n = 38). Linear regression analyses were used to investigate associations of biomarkers, leg pain, and lean mass on serum levels of 25-hydroxyvitamin D. Biomarkers were converted to z scores and differences were evaluated within the Fontan patients.Results: Our Fontan patients had a daily mean vitamin D intake of 9.9 µg and a mean serum 25-hydroxyvitamin D of 56 nmol/L. These factors were not associated with fat or lean mass, leg pain, or biomarkers of liver status. The Fontan patients had significantly less lean mass, but higher fat mass than controls. Male adolescents with Fontan circulation had a greater mean abdominal fat mass than male controls and higher cholesterol levels than females with Fontan circulation.Conclusion: Vitamin D intake and serum levels were not associated with body composition or liver biomarkers in the Fontan group, but the Fontan group had lower lean mass and higher fat mass than controls. The more pronounced abdominal fat mass in male adolescents with Fontan circulation might increase metabolic risks later in life.
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24.
  • Heinonen, Suvi E, et al. (författare)
  • Animal Models of Diabetic Macrovascular Complications: Key Players in the Development of New Therapeutic Approaches.
  • 2015
  • Ingår i: Journal of Diabetes Research. - : Hindawi Limited. - 2314-6753 .- 2314-6745. ; 2015
  • Forskningsöversikt (refereegranskat)abstract
    • Diabetes mellitus is a lifelong, incapacitating metabolic disease associated with chronic macrovascular complications (coronary heart disease, stroke, and peripheral vascular disease) and microvascular disorders leading to damage of the kidneys (nephropathy) and eyes (retinopathy). Based on the current trends, the rising prevalence of diabetes worldwide will lead to increased cardiovascular morbidity and mortality. Therefore, novel means to prevent and treat these complications are needed. Under the auspices of the IMI (Innovative Medicines Initiative), the SUMMIT (SUrrogate markers for Micro- and Macrovascular hard end points for Innovative diabetes Tools) consortium is working on the development of novel animal models that better replicate vascular complications of diabetes and on the characterization of the available models. In the past years, with the high level of genomic information available and more advanced molecular tools, a very large number of models has been created. Selecting the right model for a specific study is not a trivial task and will have an impact on the study results and their interpretation. This review gathers information on the available experimental animal models of diabetic macrovascular complications and evaluates their pros and cons for research purposes as well as for drug development.
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25.
  • Holmer,, et al. (författare)
  • Fracture Incidence in GH-Deficient Patients on Complete Hormone Replacement Including GH.
  • 2007
  • Ingår i: J Bone Miner Res. - : Wiley. - 0884-0431.
  • Tidskriftsartikel (refereegranskat)abstract
    • Microabstract Fracture risk in growth hormone-deficient (GHD) patients is not definitely established. Investigating fracture incidence in 832 patients on growth hormone (GH) therapy and 2,581 matched population controls, we recorded a doubled fracture risk in childhood onset (CO) GHD women, but a significantly lower fracture risk in adult onset (AO) GHD men.
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26.
  • Holmer, Helene, et al. (författare)
  • Fracture incidence in GH-deficient patients on complete hormone replacement including GH
  • 2007
  • Ingår i: Journal of Bone and Mineral Research. - : Wiley. - 0884-0431 .- 1523-4681. ; 22:12, s. 1842-1850
  • Tidskriftsartikel (refereegranskat)abstract
    • Fracture risk in GHD patients is not definitely established. Studying fracture incidence in 832 patients on GH therapy and 2581 matched population controls, we recorded a doubled fracture risk in CO GHD women, but a significantly lower fracture risk in AO GHD men. Introduction: The objective of this study was to evaluate fracture incidence in patients wilh confirmed growth hormone deficiency (GHD) on replacement therapy (including growth hormone [GH]) compared with population controls, while also taking potential confounders and effect modifiers into account. Materials and Methods: Eight hundred thirty-two patients with GHD and 2581 matched population controls answered a questionnaire about fractures and other background information. Incidence rate ratio (IRR) and 95% CI for first fracture were estimated. The median time on GH therapy for childhood onset (CO) GHD men and women was 15 and 12 yr, respectively, and 6 and 5 yr for adult onset (AO) GHD men and women, respectively. Results: A more than doubled risk (IRR, 2.29; 95% CI, 1.23-4.28) for nonosteoporotic fractures was recorded in women with CO GHD, whereas no risk increase was observed among CO GHD men (IRR. 0.61) and AO GHD women (IRR, 1.08). A significantly decreased incidence of fractures (IRR, 0.54; 95% CI 0.34-0.86) was recorded in AO GHD men. Conclusions: Increased fracture risk in CO GHD women can most likely be explained by interaction between oral estrogen and the GH-IGF-I axis. The adequate substitution rate of testosterone (90%) and GH (94%) may have resulted in significantly lower fracture risk in AO GHD men.
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27.
  • Holmer, Helene, et al. (författare)
  • Nonfatal stroke, cardiac disease, and diabetes mellitus in hypopituitary patients on hormone replacement including growth hormone
  • 2007
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 92:9, s. 3560-3567
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: The impact of long-term GH replacement on cerebrovascular and cardiovascular diseases and diabetes mellitus in hypopituitary patients is unknown. Objective: The incidence of nonfatal stroke and cardiac events, and prevalence of type 2 diabetes mellitus ( T2D) and cardioprotective medication were compared between cohorts of GH-deficient (GHD) patients and population controls. Design and Participants: The incidence of nonfatal stroke and cardiac events was estimated retrospectively from questionnaires in 750 GHD patients and 2314 matched population controls. A prevalence of T2D and cardioprotective medication was recorded at the distribution of questionnaires. Time since first pituitary deficiency to start of GH therapy was 4 and 2 yr, and time on GH therapy was 6 yr for GHD women and men, respectively. Results: Lifelong incidence of nonfatal stroke was tripled in GHD women and doubled in GHD men, but a decline was seen in both genders during periods after first pituitary hormone deficiency and GHD, during which most patients had GH therapy. The lifelong incidence of nonfatal cardiac events declined in GHD men during first pituitary hormone deficiency and GHD periods. GHD women had a higher prevalence of T2D and lipid-lowering medication, whereas GHD men had a higher prevalence of antihypertensive medication. Conclusions: The declined risks of nonfatal stroke in both genders and of nonfatal cardiac events in GHD men during periods on GH replacement may be caused by prescription of cardioprotective drugs and 6-yr GH replacement. GHD women had an increased prevalence of T2D, partly attributed to higher body mass index and lower physical activity.
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28.
  • Holmer, Helene, et al. (författare)
  • Psychosocial health and levels of employment in 851 hypopituitary Swedish patients on long-term GH therapy
  • 2013
  • Ingår i: Psychoneuroendocrinology. - : Elsevier. - 0306-4530 .- 1873-3360. ; 38:6, s. 842-852
  • Tidskriftsartikel (refereegranskat)abstract
    • Context: The psychosocial health and working capacity in hypopituitary patients receiving long-term growth hormone (GH) therapy are unknown. less thanbrgreater than less thanbrgreater thanObjective: Psychosocial health and levels of employment were compared between GH deficient (GHD) patients on long-term replacement and the general population. less thanbrgreater than less thanbrgreater thanDesign and participants: In a Swedish nationwide study, 851 GHD patients [101 childhood onset (CO) and 750 adult onset (AO)] and 2622 population controls answered a questionnaire regarding current living, employment and educational level, alcohol consumption and smoking habits. The median time on GH therapy for both men and women with CO GHD was 9 years and for AO GHD 6 years, respectively. less thanbrgreater than less thanbrgreater thanResults: As compared to the controls, the GHD patients were less often working full time, more often on sick leave/disability pension, and to a larger extent alcohol abstainers and never smokers (all; P andlt; 0.05). Predominantly CO GHD women and men, but to some extent also AO GHD women and men, lived less frequently with a partner and more often with their parents. Particularly AO GHD craniopharyngioma women used more antidepressants, while AO GHD men with a craniopharyngioma used more analgesics. less thanbrgreater than less thanbrgreater thanConclusions: A working capacity to the level of the general population was not achieved among hypopituitary patients, although receiving long-term GH therapy. Patients were less likely to use alcohol and tobacco. The CO GHD population lived a less independent life.
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29.
  • Holmgren, Dag, et al. (författare)
  • Design i Småland
  • 2010
  • Ingår i: Gnosjöandan i ny riktning. - Jönköping : EIDI. - 9789197919319 ; , s. 57-80
  • Bokkapitel (populärvet., debatt m.m.)abstract
    • Kapitlet behandlar designbegreppet ur flera perspektiv. Inledningsvis diskuteras och betonas betydelsen av att olika aktörer reflekterar över och förhåller sig till design. Industridesign beskrivs därefter som resurs och omistlig process i skapande och uttryck av enskilda produkters identitet. I Småland pågår ett stort antal verksamheter relaterade till design. Flera större insatser sker, som t.ex. projektet ”Designregion Småland”, samarbetet inom ”Möbelriket”, det sedan länge etablerade ”Glasriket” samt nytillskottet Design- och konstcentrum ”Vandalorum”. Samtidigt genomförs ett flertal komplet-terande, men inte mindre viktiga, aktiviteter i syfte att bl.a. öka besöksnäringens koppling till design i Gnosjöregionen och Småland (se de initiativ som tagits i t.ex. Värnamo kommun kring ”Designers Saturday”). Ytterligare ett exempel på en aktivitet som kontinuerligt bidrar till att belysa betydelsen av design, och som samtidigt förankrar begreppet i Småland är de utbildningar som sker, i de flesta fall i nära samverkan med näringslivet. Design har således redan en nära koppling till Småland, dess innevånare och näringsliv, men det är viktigt att utveckla och förvalta ett förhållningssätt till begreppet i området för att vi skall kunna dra nytta av rent ekonomiska, såväl som en rad ”mjuka” fördelar som är förknippade med design.
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30.
  • Hsiung, Sabrina, et al. (författare)
  • Hyperglycemia does not affect tissue repair responses in shear stress-induced atherosclerotic plaques in ApoE-/-mice
  • 2018
  • Ingår i: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 8:1
  • Tidskriftsartikel (refereegranskat)abstract
    • The mechanisms responsible for macrovascular complications in diabetes remain to be fully understood. Recent studies have identified impaired vascular repair as a possible cause of plaque vulnerability in diabetes. This notion is supported by observations of a reduced content of fibrous proteins and smooth muscle cell mitogens in carotid endarterectomy from diabetic patients along with findings of decreased circulating levels of endothelial progenitor cells. In the present study we used a diabetic mouse model to characterize how hyperglycemia affects arterial repair responses. We induced atherosclerotic plaque formation in ApoE-deficient (ApoE-/-) and heterozygous glucokinase knockout ApoE-deficient mice (ApoE-/-GK+/-) mice with a shear stress-modifying cast. There were no differences in cholesterol or triglyceride levels between the ApoE-/-A nd ApoE-/-GK+/-mice. Hyperglycemia did not affect the size of the formed atherosclerotic plaques, and no effects were seen on activation of cell proliferation, smooth muscle cell content or on the expression and localization of collagen, elastin and several other extracellular matrix proteins. The present study demonstrates that hyperglycemia per se has no significant effects on tissue repair processes in injured mouse carotid arteries, suggesting that other mechanisms are involved in diabetic plaque vulnerability.
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31.
  • Johannesson, Ulrika, et al. (författare)
  • Steroid receptor expression and morphology in provoked vestibulodynia
  • 2008
  • Ingår i: American Journal of Obstetrics and Gynecology. - St. Louis : C.V. Mosby. - 0002-9378 .- 1097-6868. ; 198:3, s. 311.e1-311.e6
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: This study was undertaken to survey the steroid receptor expression and morphology in the vulvar vestibular mucosa in women with provoked vestibulodynia.Study Design: Fourteen patients and 25 controls without oral contraceptives were included. Vestibular biopsy specimens were obtained and analyzed by using immunohistochemistry, followed by computerized image analysis of estrogen receptors greek small letter alpha and β, progesterone receptors A and B, glucocorticoid receptor, androgen receptor, and the proliferation marker Ki67. The morphology was estimated by measuring 4 parameters in the epithelium.Results: There was a significantly higher expression of estrogen receptor greek small letter alpha in both the epithelium (P = .04) and the stroma (P = .02) in the patient specimens compared with the controls. There were no significant differences in the other analyses performed.Conclusion: There is an increased expression of estrogen receptor greek small letter alpha in the vestibular mucosa but the epithelial morphology seems unaffected in women with provoked vestibulodynia. Further studies regarding plausible associations to neurogenic inflammation are needed.
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32.
  • Johannesson, Ulrika, et al. (författare)
  • The vulval vestibular mucosa - morphological effects of oral contraceptives and menstrual cycle
  • 2007
  • Ingår i: British Journal of Dermatology. - Oxford : Blackwell Publishing. - 0007-0963 .- 1365-2133. ; 157:3, s. 487-493
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundAn erythematous and hypersensitive vestibular mucosa has been observed during the use of combined oral contraceptives (COC). Hormonal effects on the vestibular morphology have not been studied.ObjectivesOur aim was to evaluate the morphology of the vulval vestibular mucosa during the influence of COC and during the menstrual cycle.MethodsForty-five healthy women (20 using COC and 25 not using COC) were included. A 6-mm punch biopsy was obtained from the right posterior vestibule on days 7-11 of the menstrual cycle. A corresponding biopsy was taken 2 weeks later in 16 women without COC. The epithelial morphology was estimated by measuring interdermal papilla distance, dermal papilla to surface, from basal layer to surface and width of dermal papillae. A histopathological assessment was made.ResultsThe vulval vestibular mucosa of women using COC displayed a larger distance between the dermal papillae (P = 0·04) and a larger space from the dermal papillae to the epithelial surface (P = 0·03) compared with controls in the follicular phase. Women without COC displayed a larger interdermal papilla distance in the luteal phase compared with the follicular phase, P = 0·02. Histopathology showed more superficial blood vessels in the COC users (P < 0·01).ConclusionsThe vulval vestibular mucosa of women with COC display an altered morphological pattern with shallow and sparse dermal papillae compared with the follicular phase. Similar findings are seen in women without COC during the luteal phase which indicate a gestagenic effect on the mucosa. Associations between the morphological pattern and changes in mucosal mechanical sensitivity require further studies.
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33.
  • Jönsson, Bo A, et al. (författare)
  • Inter-population variations in concentrations, determinants of and correlations between 2,2',4,4',5,5'-hexachlorobiphenyl (CB-153) and 1,1-dichloro-2,2-bis (p-chlorophenyl)-ethylene (p,p'-DDE): a cross-sectional study of 3161 men and women from Inuit and European populations
  • 2005
  • Ingår i: Environmental Health. - 1476-069X. ; 4:27
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The study is part of a collaborative project (Inuendo), aiming to assess the impact of dietary persistent organochlorine pollutants (POPs) on human fertility. The aims with the present study are to analyze inter-population variations in serum concentrations of 2,2',4,4',5,5'-hexachlorobiphenyl (CB-153) and 1,1-dichloro-2,2-bis (p-chlorophenyl)-ethylene (p,p'-DDE), to assess inter-population variations in biomarker correlations, and to evaluate the relative impact of different determinants for the inter-individual variations in POP-biomarkers. METHOD: In study populations of 3161 adults, comprising Greenlandic Inuits, Swedish fishermen and their wives, and inhabitants from Warsaw, Poland and Kharkiv, Ukraine, serum concentrations of CB-153 and p,p'-DDE, were analysed by gas chromatography-mass spectrometry. RESULTS: The median serum concentrations of CB-153 were for male and female Inuits 200 and 110, for Swedish fishermen 190 and their wives 84, for Kharkiv men and women 44 and 27, and for Warsaw men and women 17 and 11 ng/g lipids, respectively. The median serum concentrations of p,p'-DDE were for Kharkiv men and women 930 and 650, for male and female Inuits 560 and 300, for Warsaw men and women 530 and 380, and for Swedish fishermen 240 and their wives 140 ng/g lipids, respectively. The correlation coefficients between CB-153 and p,p'-DDE varied between 0.19 and 0.92, with the highest correlation among Inuits and the lowest among men from Warsaw. Men had averagely higher serum concentrations of CB-153 and p,p'-DDE, and there were positive associations between age and the POP-biomarkers, whereas the associations with BMI and smoking were inconsistent. Dietary seafood was of importance only in the Inuit and Swedish populations. CONCLUSION: CB-153 concentrations were much higher in Inuits and Swedish fishermen's populations than in the populations from Eastern Europe, whereas the pattern was different for p,p'-DDE showing highest concentrations in the Kharkiv population. The correlations between the POP-biomarkers varied considerably between the populations, underlining that exposure sources differ and that the choice of representative biomarkers of overall POP exposure has to be based on an analysis of the specific exposure situation for each population. Age and gender were consistent determinants of serum POPs; seafood was of importance only in the Inuit and Swedish populations.
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34.
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35.
  • Naucler, Pontus, et al. (författare)
  • Efficacy of HPV DNA testing with cytology triage and/or repeat HPV DNA testing in primary cervical cancer screening.
  • 2009
  • Ingår i: Journal of the National Cancer Institute. - : Oxford University Press (OUP). - 1460-2105 .- 0027-8874. ; 101:2, s. 88-99
  • Tidskriftsartikel (refereegranskat)abstract
    • Primary cervical screening with both human papillomavirus (HPV) DNA testing and cytological examination of cervical cells with a Pap test (cytology) has been evaluated in randomized clinical trials. Because the vast majority of women with positive cytology are also HPV DNA positive, screening strategies that use HPV DNA testing as the primary screening test may be more effective.
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36.
  • Naucler, Pontus, et al. (författare)
  • Human papillomavirus and Papanicolaou tests to screen for cervical cancer.
  • 2007
  • Ingår i: New England Journal of Medicine. - Boston, Massachusetts : Massachusetts medical society. - 0028-4793 .- 1533-4406. ; 357:16, s. 1589-97
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Screening for cervical cancer based on testing for human papillomavirus (HPV) increases the sensitivity of detection of high-grade (grade 2 or 3) cervical intraepithelial neoplasia, but whether this gain represents overdiagnosis or protection against future high-grade cervical epithelial neoplasia or cervical cancer is unknown. Methods In a population-based screening program in Sweden, 12,527 women 32 to 38 years of age were randomly assigned at a 1:1 ratio to have an HPV test plus a Papanicolaou (Pap) test (intervention group) or a Pap test alone (control group). Women with a positive HPV test and a normal Pap test result were offered a second HPV test at least 1 year later, and those who were found to be persistently infected with the same high-risk type of HPV were then offered colposcopy with cervical biopsy. A similar number of double-blinded Pap smears and colposcopies with biopsy were performed in randomly selected women in the control group. Comprehensive registry data were used to follow the women for a mean of 4.1 years. The relative rates of grade 2 or 3 cervical intraepithelial neoplasia or cancer detected at enrollment and at subsequent screening examinations were calculated. Results At enrollment, the proportion of women in the intervention group who were found to have lesions of grade 2 or 3 cervical intraepithelial neoplasia or cancer was 51% greater (95% confidence interval [CI], 13 to 102) than the proportion of women in the control group who were found to have such lesions. At subsequent screening examinations, the proportion of women in the intervention group who were found to have grade 2 or 3 lesions or cancer was 42% less (95% CI, 4 to 64) and the proportion with grade 3 lesions or cancer was 47% less (95% CI, 2 to 71) than the proportions of control women who were found to have such lesions. Women with persistent HPV infection remained at high risk for grade 2 or 3 lesions or cancer after referral for colposcopy. Conclusions The addition of an HPV test to the Pap test to screen women in their mid-30s for cervical cancer reduces the incidence of grade 2 or 3 cervical intraepithelial neoplasia or cancer detected by subsequent screening examinations.
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37.
  • Naudin, Sabine, et al. (författare)
  • Healthy lifestyle and the risk of pancreatic cancer in the EPIC study
  • 2020
  • Ingår i: European Journal of Epidemiology. - : Springer Science and Business Media LLC. - 0393-2990 .- 1573-7284. ; 35:10, s. 975-986
  • Tidskriftsartikel (refereegranskat)abstract
    • Pancreatic cancer (PC) is a highly fatal cancer with currently limited opportunities for early detection and effective treatment. Modifiable factors may offer pathways for primary prevention. In this study, the association between the Healthy Lifestyle Index (HLI) and PC risk was examined. Within the European Prospective Investigation into Cancer and Nutrition cohort, 1113 incident PC (57% women) were diagnosed from 400,577 participants followed-up for 15 years (median). HLI scores combined smoking, alcohol intake, dietary exposure, physical activity and, in turn, overall and central adiposity using BMI (HLIBMI) and waist-to-hip ratio (WHR, HLIWHR), respectively. High values of HLI indicate adherence to healthy behaviors. Cox proportional hazard models with age as primary time variable were used to estimate PC hazard ratios (HR) and 95% confidence intervals (CI). Sensitivity analyses were performed by excluding, in turn, each factor from the HLI score. Population attributable fractions (PAF) were estimated assuming participants’ shift to healthier lifestyles. The HRs for a one-standard deviation increment of HLIBMI and HLIWHR were 0.84 (95% CI: 0.79, 0.89; ptrend = 4.3e−09) and 0.77 (0.72, 0.82; ptrend = 1.7e−15), respectively. Exclusions of smoking from HLIWHR resulted in HRs of 0.88 (0.82, 0.94; ptrend = 4.9e−04). The overall PAF estimate was 19% (95% CI: 11%, 26%), and 14% (6%, 21%) when smoking was removed from the score. Adherence to a healthy lifestyle was inversely associated with PC risk, beyond the beneficial role of smoking avoidance. Public health measures targeting compliance with healthy lifestyles may have an impact on PC incidence.
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38.
  • Pereira, Maria, et al. (författare)
  • Direct Reprogramming of Resident NG2 Glia into Neurons with Properties of Fast-Spiking Parvalbumin-Containing Interneurons
  • 2017
  • Ingår i: Stem Cell Reports. - : Elsevier BV. - 2213-6711. ; 9:3, s. 742-751
  • Tidskriftsartikel (refereegranskat)abstract
    • Converting resident glia into functional and subtype-specific neurons in vivo by delivering reprogramming genes directly to the brain provides a step forward toward the possibility of treating brain injuries or diseases. To date, it has been possible to obtain GABAergic and glutamatergic neurons via in vivo conversion, but the precise phenotype of these cells has not yet been analyzed in detail. Here, we show that neurons reprogrammed using Ascl1, Lmx1a, and Nurr1 functionally mature and integrate into existing brain circuitry and that the majority of the reprogrammed neurons have properties of fast-spiking, parvalbumin-containing interneurons. When testing different combinations of genes for neural conversion with a focus on pro-neural genes and dopamine fate determinants, we found that functional neurons can be generated using different gene combinations and in different brain regions and that most of the reprogrammed neurons become interneurons, independently of the combination of reprogramming factors used. In this study, Parmar, Ottosson, and colleagues show how endogenous NG2 glia can be reprogrammed into GABAergic interneurons of different subtypes, the majority of them with properties of fast-spiking parvalbumin-containing interneurons. This neuronal subtype has been implicated in several neurological diseases, and the findings can open up new therapeutic options.
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39.
  • Porta, Miquel, et al. (författare)
  • Plasma concentrations of persistent organic pollutants and pancreatic cancer risk
  • 2022
  • Ingår i: International Journal of Epidemiology. - : Oxford University Press. - 0300-5771 .- 1464-3685. ; 51:2, s. 479-490
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Findings and limitations of previous studies on persistent organic pollutants (POPs) and pancreatic cancer risk support conducting further research in prospective cohorts.Methods: We conducted a prospective case-control study nested within the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort. Participants were 513 pancreatic cancer cases and 1020 matched controls. Concentrations of 22 POPs were measured in plasma collected at baseline.Results: Some associations were observed at higher concentrations of p, p'-DDT, trans-nonachlor, β-hexachlorocyclohexane and the sum of six organochlorine pesticides and of 16 POPs. The odds ratio (OR) for the upper quartile of trans-nonachlor was 1.55 (95% confidence interval 1.06-2.26; P for trend = 0.025). Associations were stronger in the groups predefined as most valid (participants having fasted >6 h, with microscopic diagnostic confirmation, normal weight, and never smokers), and as most relevant (follow-up ≥10 years). Among participants having fasted >6 h, the ORs were relevant for 10 of 11 exposures. Higher ORs were also observed among cases with microscopic confirmation than in cases with a clinical diagnosis, and among normal-weight participants than in the rest of participants. Among participants with a follow-up ≥10 years, estimates were higher than in participants with a shorter follow-up (for trans-nonachlor: OR = 2.14, 1.01 to 4.53, P for trend = 0.035). Overall, trans-nonachlor, three PCBs and the two sums of POPs were the exposures most clearly associated with pancreatic cancer risk.Conclusions: Individually or in combination, most of the 22 POPs analysed did not or only moderately increased the risk of pancreatic cancer.
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40.
  • Rylander, David, et al. (författare)
  • Gnosjöandan i ny riktning : Regional samverkan inom design, upplevelser, kulturarv
  • 2010
  • Ingår i: Entreprenörskap i regioners tjänst. - Jönköping : EIDI. - 9789197919326 ; , s. 237-256
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
    • Kapitlet beskriver forsknings- och utvecklingsarbetets uppbyggnad och belyser samspelet mellan praktiker, utvecklare, forskare och finansiärer inom projektet ”Drivkrafter för nya näringar – design, upplevelser, kulturarv” i Gnosjöregionen. Förändringskrafterna i regionen arbetar genom flera kanaler för en attitydförändring som innebär att turism och annan upplevelseindustri ses som naturliga och välkomna inslag i näringslivet som länge har dominerats av tillverkningsindustri. Regional samverkan har lett till ett antal initiativ. Det goda värdskapet, Träffpunkt Drivkraft Turism, designworkshops, sommardesignkontor, utbildning och praktik i upplevelsenäringar är några av de kompetensutvecklingsinsatser som genomförts. Dessa insatser har inte begränsat sig till någon enstaka målgrupp utan omfattat en vidd av företagare, politiker, tjänstemän i stödstrukturer och föreningslivet, arbetslösa och allmänheten. Redan innan projektet avslutats har nya initiativ tillkommit likt ringar på vattnet. Historiskt har starka lokala identiteter och långa samarbetstraditioner med starka formella och informella nätverk inom såväl näringsliv och föreningsliv närt en entreprenörsanda - ”Gnosjöandan”. Denna innebär en triggande och understödjande mix av samarbete och konkurrens. Förmår Gnosjöandan att också omfatta för regionen nya näringar inom design, upplevelser och kulturarv? För detta krävs vilja och förmåga att tänka nytt och vara beredd att integrera kunskap från andra områden som till en början kan upplevas som främmande, i nya kombinationer i produktutvecklingsprocesser. Regional samverkan blir fruktbar när relationerna mellan praktiker, utvecklare, forskare och finansiärer bygger på förtroende, kunskapssökande och engagemang. Då finns grunden för att aktörerna tar ansvar både individuellt och gemensamt för kunskapsbildning och lärprocesser.
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41.
  • Rylander Hedlund, Eva (författare)
  • Cardiopulmonary function, quality of life and effects of exercise in children and adolescents with Fontan circulation
  • 2018
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • Background: Survival of children and adolescents with Fontan circulation has increased over the last decades, and today a large majority survive to adult age. There is increasing concern regarding these children’s impaired physical performance and quality of life. Little is known about the impact of exercise on cardiopulmonary function and quality of life in this patient group compared with the impact on healthy children. Aim: The aims of this thesis were to study activity, physical capacity, lung function, quality of life, and sleep before and after an exercise intervention in patients with Fontan circulation and healthy matched controls. A follow-up, one year after the training programme, was also performed. We wanted to evaluate if physical exercise could improve cardiopulmonary function and also, most importantly, quality of life in this patient group. Method: Patients with Fontan circulation (n = 30) and healthy controls (n = 25) performed measurements and/or assessments of physical activity including accelerometer recordings, submaximal and maximal exercise capacity, lung function, sleep, and quality of life. All examinations were done prior to and after an individualised endurance training programme for 12 weeks, and also after one year. Results: Patients with Fontan circulation reported less time in regular physical exercise than healthy controls, though the objectively measured activity was similar. Quality of life was reported significantly lower by the patients and by their parents compared with the controls. After the exercise intervention, submaximal exercise capacity had increased and quality of life was improved for the patients. However, the exercise intervention did not have an impact on maximal exercise capacity for the patients. After one year, patients showed further improvement of submaximal exercise capacity and quality of life was still improved, as after the exercise intervention. Moreover, children with Fontan circulation had impaired lung function and a reduced pulmonary diffusing capacity. Diffusing capacity increased with age in the patients, but less than in the control subjects. Moreover, endurance training improved vital capacity in the patient group. Fontan patients seemed to have a prolonged latency to sleep onset compared with healthy children. Increased time in physical activities seemed to be correlated with better sleep quality in patients with Fontan circulation. Conclusions: Structured individualized training programmes may improve submaximal exercise capacity, lung function, and quality of life in children with Fontan circulation. Also, the improvement of quality of life appears to remain, one year after the intervention. Increased amount of physical activity may also be beneficial for sleep quality for these patients. The clinical importance of our results is that increased physical activity is likely to be beneficial for cardiopulmonary function, quality of life, and sleep quality in this patient group. Thus, patients with Fontan palliation should be encouraged to regularly engage in individually designed sports and activities. Rehabilitation programmes should include structured individualised endurance training for improved outcome in this group of patients. Impaired health-related quality of life is most likely multifactorial and further research is needed to more fully understand the effects of exercise on cardiopulmonary function, sleep, and quality of life in this patient group. Also, more research is needed on how to individualise recommendations and find optimal regimens for exercise prescriptions from early age for these patients. The important message is, though, to encourage physical exercise for these patients for better health and well-being.
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42.
  • Rylander, Lars, et al. (författare)
  • Associations between CB-153 and p,p'-DDE and hormone levels in serum in middle-aged and elderly men.
  • 2006
  • Ingår i: Chemosphere. - : Elsevier BV. - 1879-1298 .- 0045-6535. ; 65:3, s. 375-381
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Animal and epidemiologic data indicate that exposure to persistent organochlorine pollutants (POPs) may disrupt the hypothalamus-pituitary-thyroid (HPT) and the hypothalamus-pituitary-gonadal (HPG) axes. We have assessed whether the POP-biomarkers 2,2'4,4',5,5'-hexachlorobiphenyl (CB-153) and 1,1-dichloro-2,2-bis(4-chlorophenyl)-ethene (p,p'-DDE) affect thyrotropin (TSH), thyroid hormones, gonadotropins or sex hormone concentrations in men. Methods: Lipid adjusted serum concentrations of CB-153, and p,p'-DDE, were determined in 196 men (median age 59 years, range 48-82). Hormone analyses in serum were performed with immunoassays. The effect of CB-153 and p,p'-DDE (as continuous or categorized variables) were evaluated by linear regression models, adjusting for potential confounders. Results: There was a significant positive association between p,p'-DDE and TSH. An increase of 100 ng/g lipid of p,p'-DDE corresponded to an increase of 0.03 mU/l (95% Confidence Interval (CI) 0.01, 0.05) in TSH level. The explanatory value (R 2) of the multi-variate model was only 7%. Moreover, there was a significant negative association between p,p'-DDE and estradiol. An increase of 100 ng/g lipid of p,p'-DDE corresponded to a decrease of 0.57 pmol/l (95% CI -1.0, -0.12) in estradiol level. The R-2-value was only 4%. No associations were observed between any of the POP biomarkers and the other hormones. Conclusions: The positive association between p,p'-DDE and TSH and the negative association between p,p'-DDE and estradiol, among middle-aged and elderly men, were not accompanied by associations between the POP-markers and thyroxin, testosterone, and gonadotropins, respectively. The results gives some additional support for that POP exposure may affect HPT- and HPG-axes also in humans, but the overall epidemiological data are still not coherent enough to allow any firm conclusions. (c) 2006 Elsevier Ltd. All rights reserved.
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43.
  • Rylander, Lars, et al. (författare)
  • Polychlorinated biphenyls in blood plasma among Swedish female fish consumers in relation to low birth weight
  • 1998
  • Ingår i: American Journal of Epidemiology. - 0002-9262. ; 147:5, s. 493-502
  • Tidskriftsartikel (refereegranskat)abstract
    • The authors examined the hypothesized association between the body burden of polychlorinated biphenyls (PCB) in women and the risk of low birth weight for their infants. In Sweden, a main exposure route for PCBs and other persistent organochlorine compounds is through the consumption of fatty fish from the Baltic Sea (on the Swedish east coast). A previous comparison between a cohort of consumers of large quantities of fish from the Swedish east coast and a reference population, together with a following analysis based on questionnaire data from a case-control study within the east coast cohort, supported the hypothesized association. In 1995, blood samples were collected from the wives and ex-wives of fishermen from the Swedish east coast (n = 192) who had given birth during the period 1973-1991. Cases (n = 57), i.e., infants with low birth weight (1,500-2,750 g), were matched with controls (n = 135; birth weight, 3,250-4,500 g) on gender, parity, and calendar year of birth. The concentration of 2,2',4,4',5,5'-hexachlorobiphenyl (CB-153) in plasma was analyzed; it has been suggested that CB-153 is a relevant biomarker of exposure to PCBs. The concentration of CB-153 in the plasma of mothers during the year of childbirth was "estimated" using some alternative plausible kinetic models. For two alternative estimated exposure datasets, which were focused on separately, an increase in the risk of a low birth weight was observed at a CB-153 concentration of 300 and 400 ng/g lipid weight, respectively (adjusted odds ratios of 2.1 (95% confidence interval (CI) 1.0-4.7) and 2.3 (95% CI 0.9-5.9)). The present results strengthen the findings reported previously for this study population.
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44.
  • Sandberg, Camilla, et al. (författare)
  • Impaired knee extension muscle strength in adolescents but not in children with Fontan circulation
  • 2020
  • Ingår i: Cardiology in the Young. - : Cambridge University Press. - 1047-9511 .- 1467-1107. ; 30:8, s. 1138-1143
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction: Impaired isometric muscle strength was previously reported in adults with Fontan circulation. However, it is unclear if this impairment is present in children and adolescents with Fontan circulation. We investigated isometric muscle strength of the lower limb in patients (6–18 years) with Fontan circulation in comparison with healthy controls.Method: In this cross-sectional study, 43 patients (6–18 years) with Fontan circulation and 43 age- and sex-matched controls were included. Isometric knee extension and plantar flexion muscle strength were assessed using dynamometry (Newton, N). Lean mass of the legs was assessed with dual-energy X-ray absorptiometry. Analyses were performed on group level (n = 43), and for subgroups that included children aged 6–12 years (n = 18) and adolescents aged 13–18 years (n = 25).Results: On group level, the patients with Fontan circulation had impaired isometric knee extension strength in comparison with the controls (p = 0.03). In subgroup analyses, impaired isometric knee extension strength was present in the adolescents (p = 0.009) but not in the children groups. For plantar flexion, there was no difference between patients and controls. There was no difference in lean mass between patients and controls (9.6 ± 4.3 kg vs. 10.8 ± 5.6 kg, p = 0.31). However, the lean mass was highly correlated to isometric knee extension strength (patients r = 0.89, controls r = 0.96, p < 0.001) and isometric plantar flexion strength (patients r = 0.7, controls r = 0.81, p < 0.001).Conclusion: The finding of impaired isometric knee extension muscle strength in adolescents (13–18 years) with Fontan circulation and no corresponding impairment in the children group (6–12 years) could imply that isometric muscle strength gets more impaired with age.
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45.
  • Sanikini, Harinakshi, et al. (författare)
  • Anthropometric and reproductive factors and risk of esophageal and gastric cancer by subtype and subsite : Results from the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort
  • 2020
  • Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136 .- 1097-0215. ; 146:4, s. 929-942
  • Tidskriftsartikel (refereegranskat)abstract
    • Obesity has been associated with upper gastrointestinal cancers; however, there are limited prospective data on associations by subtype/subsite. Obesity can impact hormonal factors, which have been hypothesized to play a role in these cancers. We investigated anthropometric and reproductive factors in relation to esophageal and gastric cancer by subtype and subsite for 476,160 participants from the European Prospective Investigation into Cancer and Nutrition cohort. Multivariable hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated using Cox models. During a mean follow-up of 14 years, 220 esophageal adenocarcinomas (EA), 195 esophageal squamous cell carcinomas, 243 gastric cardia (GC) and 373 gastric noncardia (GNC) cancers were diagnosed. Body mass index (BMI) was associated with EA in men (BMI ≥30 vs. 18.5–25 kg/m2: HR = 1.94, 95% CI: 1.25–3.03) and women (HR = 2.66, 95% CI: 1.15–6.19); however, adjustment for waist-to-hip ratio (WHR) attenuated these associations. After mutual adjustment for BMI and HC, respectively, WHR and waist circumference (WC) were associated with EA in men (HR = 3.47, 95% CI: 1.99–6.06 for WHR >0.96 vs. <0.91; HR = 2.67, 95% CI: 1.52–4.72 for WC >98 vs. <90 cm) and women (HR = 4.40, 95% CI: 1.35–14.33 for WHR >0.82 vs. <0.76; HR = 5.67, 95% CI: 1.76–18.26 for WC >84 vs. <74 cm). WHR was also positively associated with GC in women, and WC was positively associated with GC in men. Inverse associations were observed between parity and EA (HR = 0.38, 95% CI: 0.14–0.99; >2 vs. 0) and age at first pregnancy and GNC (HR = 0.54, 95% CI: 0.32–0.91; >26 vs. <22 years); whereas bilateral ovariectomy was positively associated with GNC (HR = 1.87, 95% CI: 1.04–3.36). These findings support a role for hormonal pathways in upper gastrointestinal cancers.
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46.
  • Silins, Ilvars, et al. (författare)
  • Chlamydia trachomatis infection and persistence of human papillomavirus.
  • 2005
  • Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136 .- 1097-0215. ; 116:1, s. 110-115
  • Tidskriftsartikel (refereegranskat)abstract
    • Human papillomavirus (HPV) persistence is the major cause of cervical cancer, but most HPV infections will not persist and risk factors for HPV persistence are not well known. Chlamydia (C.) trachomatis infection seems to also be associated with cervical cancer. We investigated whether C. trachomatis infection is a risk factor for HPV persistence. In a cohort of 12,527 women participating in a population-based HPV screening trial in Sweden, 6,418 women completed testing for HPV DNA by general primer PCR and typing by reverse dot blot hybridization. On average 19 months later, 303 women that had been HPV-positive and had normal cytology at enrollment completed a new HPV test. Environmental exposures were assessed by an 87-itern questionnaire. Previous sexually transmitted infections were also investigated by serology. At follow-up, 44% of the women were positive for the same type of HPV DNA as at enrollment. Persistence correlated with length of follow-up (p < 0.01) and condom use seemed to protect against HPV persistence (p < 0.05). The most significant risk factor for persistent presence of HPV DNA was self-reported history of previous C. trachomatis infection (relative risk in multivariate model = 2.09; 95% confidence interval = 1.05-4.18). We conclude that persistence of oncogenic HPV infections is more likely among women with a previous C. trachomatis infection.
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47.
  • Sthen Bergdahl, Magne, et al. (författare)
  • Calf Muscle Oxygenation is Impaired and May Decline with Age in Young Patients with Total Cavopulmonary Connection
  • 2022
  • Ingår i: Pediatric Cardiology. - : Springer. - 0172-0643 .- 1432-1971. ; 43:2, s. 449-456
  • Tidskriftsartikel (refereegranskat)abstract
    • Patients palliated with Total Cavopulmonary Connection have a lower muscle mass and a lower exercise capacity. We assessed calf muscle oxidative metabolism during and after heel raise exercise to exhaustion in young patients with TCPC compared to healthy peers. Near-infrared spectroscopy was used for measuring oxygen metabolism in the medial portion of the gastrocnemius muscle. Forty-three patients with TCPC, aged 6–18 years, were compared with 43 age and sex-matched healthy control subjects. Subgroups were formed to include children (6–12 years) and adolescents (13–18 years) to determine if these age groups influenced the results. During exercise, for the patients compared to controls there was a lower increase in deoxygenated hemoglobin (oxygen extraction) (5.13 ± 2.99au vs. 7.75 ± 4.15au, p = 0.001) and a slower rate of change in total hemoglobin (blood volume) (0.004 ± 0.015au vs 0.016 ± 0.01au, p = 0.001). Following exercise, patients exhibited a slower initial increase in tissue oxygenation saturation index (0.144 ± 0.11au vs 0.249 ± 0.226au, p = 0.007) and a longer half-time to maximum hyperemia (23.7 ± 11.4 s vs 16.8 ± 7.5 s, p = 0.001). On the subgroup level, the adolescents differed compared to healthy peers, whereas the children did not. Young patients with TCPC had impaired oxidative metabolism during exercise and required a longer time to recover. In that the differences were seen in the adolescent group and not in the children group may indicate a declining function with age.
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48.
  • Ståhl, Olof, et al. (författare)
  • Risk of Birth Abnormalities in the Offspring of Men With a History of Cancer: A Cohort Study Using Danish and Swedish National Registries.
  • 2011
  • Ingår i: Journal of the National Cancer Institute. - : Oxford University Press (OUP). - 1460-2105 .- 0027-8874. ; 103, s. 398-406
  • Tidskriftsartikel (refereegranskat)abstract
    • Background The potential mutagenic effects of cancer therapies and the growing number of young male cancer survivors have given rise to concern about the health of their offspring. Methods We identified all singleton children born alive in Denmark between 1994 and 2004 and in Sweden between 1994 and 2005 (n = 1 777 765). Of the 8670 children with a paternal history of cancer, 8162 were conceived naturally and 508 were conceived using assisted reproductive technologies (ARTs) (in vitro fertilization or intracytoplasmatic sperm injection). Of the 1 769 0795 children without a paternal history of cancer, 25 926 were conceived using ARTs. Associations between paternal history of cancer and risk of adverse birth outcomes of children conceived naturally or by ARTs were investigated using log-linear binomial models, yielding risk ratios (RRs) with 95% confidence intervals (CIs). All statistical tests were two-sided. Results The offspring of male cancer survivors were more likely to have major congenital abnormalities than the offspring of fathers with no history of cancer (RR = 1.17, 95% CI = 1.05 to 1.31, P = .0043, 3.7% vs 3.2%). However, the mode of conception (natural conception or ARTs) did not modify the association between paternal history of cancer and risk of congenital abnormalities (natural conception, RR = 1.17, 95% CI = 1.04 to 1.31; ARTs, RR = 1.22, 95% CI = 0.80 to 1.87, P(interaction) = .84). Conclusion We observed a statistically significant but modest increase in the risk of major congenital abnormalities among offspring of males with a history of cancer, independent of the mode of conception.
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49.
  • Thacher, Jesse D., et al. (författare)
  • Influence of the COVID-19 pandemic on births and induced abortions in Southern Sweden : A register-based study
  • 2024
  • Ingår i: BMJ Sexual and Reproductive Health. - : BMJ Publishing Group Ltd. - 2515-1991 .- 2515-2009. ; , s. 1-9
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Pandemics are linked with declining birth rates, but little is known about how the COVID-19 pandemic has influenced childbearing decisions. We aimed to investigate the associations between the COVID-19 pandemic and reproductive decisions, specifically to identify potential changes in the frequency of deliveries and induced abortions in Skåne, Sweden. Methods: Using the Skåne Healthcare Register, we identified women aged 15-45 years who had at least one pregnancy-related care visit registered between 1 January 2013 and 11 November 11 2021. Deliveries and induced abortions were identified, and changes in weekly delivery and abortion counts were assessed using an interrupted time series design. Relative risks (RRs) and 95% confidence intervals (CIs) were estimated from a Poisson regression model. Results: During the study period we identified 129 131 deliveries and 38 591 abortions. Compared with the counterfactual (exposed interval assuming COVID-19 had not occurred), pandemic exposure was associated with fewer deliveries (RR 0.93; 95% CI 0.89 to 0.98). For abortions, pandemic exposure appeared to be associated with fewer abortions (RR 0.95; 95% CI 0.90 to 1.00); however, age-related differences were found. Among women aged 25 years and over, pandemic exposure was more strongly associated with fewer abortions. Contrastingly, among women aged under 25 years, abortions appeared to increase. Conclusions: The COVID-19 pandemic seemed to have contributed to a decline in births in Southern Sweden. During the same period, abortions declined in women in the older age range, but contrastingly increased among younger women.
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50.
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