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1.
  • Andersson, Magnus, et al. (author)
  • Fiskbestånd och miljö i hav och sötvatten : Resurs- och miljööversikt 2012
  • 2012
  • Reports (other academic/artistic)abstract
    • Detta är den nionde utgåvan av den samlade översikten över fisk- och kräftdjursbeståndens status i våra vatten. Kunskap om fiskbestånden och miljön är en förutsättning för att utnyttjandet av fiskresurserna skall bli bärkraftigt. För svenska vattenområden beskrivs miljöutvecklingen i ett ekosystemsperspektiv, dels för att tydliggöra fiskens ekologiska roll och beskriva yttre miljöfaktorer som påverkar fiskbestånden, dels för att belysa fiskets effekter på miljön.Fiskbestånd och miljö i hav och sötvatten är utarbetad av Sveriges lantbruksuniversitet (SLU), Institutionen för akvatiska resurser (SLU Aqua), på uppdrag av Havs- och vattenmyndigheten. Rapporten sammanfattar utveckling och beståndsstatus för de kommersiellt viktigaste fisk- och kräftdjursarterna i våra vatten. Bedömningar och förvaltningsråd är baserade på Internationella Havsforskningsrådets (ICES) rådgivning, SLU Aquas nationella och regionala provfiskedata, samt yrkesfiskets rapportering.
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2.
  • Backmark, Anna, 1979, et al. (author)
  • Affinity tags can reduce merohedral twinning of membrane protein crystals
  • 2008
  • In: Acta Crystallographica. Section D: Biological Crystallography. - 1399-0047 .- 0907-4449. ; D64, s. 1183-1186
  • Journal article (peer-reviewed)abstract
    • This work presents a comparison of the crystal packing of three eukaryotic membrane proteins: human aquaporin 1, human aquaporin 5 and a spinach plasma membrane aquaporin. All were purified from expression constructs both with and without affinity tags. With the exception of tagged aquaporin 1, all constructs yielded crystals. Two significant effects of the affinity tags were observed: crystals containing a tag typically diffracted to lower resolution than those from constructs encoding the protein sequence alone and constructs without a tag frequently produced crystals that suffered from merohedral twinning. Twinning is a challenging crystallographic problem that can seriously hinder solution of the structure. Thus, for integral membrane proteins, the addition of an affinity tag may help to disrupt the approximate symmetry of the protein and thereby reduce or avoid merohedral twinning.
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3.
  • Bondemark, Lars, et al. (author)
  • Funktionsstörningar och smärta
  • 2008
  • In: Tandläkartidningen. - 0039-6982. ; 100:9-10, s. 64-68
  • Journal article (pop. science, debate, etc.)abstract
    • Orofaciala funktionsstörningar och smärta är en sammanfattning av kliniska problem och sjukdomar som involverar bett, käkar, tuggmuskulatur, käkleder och omgivande strukturer. Orsakerna är oftast multifaktoriella för de barn, ungdomar och vuxna som drabbas.
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4.
  • Gallo, Valentina, et al. (author)
  • Physical activity and risk of Amyotrophic Lateral Sclerosis in a prospective cohort study
  • 2016
  • In: European Journal of Epidemiology. - : Springer Science and Business Media LLC. - 0393-2990 .- 1573-7284. ; 31:3, s. 255-266
  • Journal article (peer-reviewed)abstract
    • Previous case-control studies have suggested a possible increased risk of Amyotrophic Lateral Sclerosis (ALS) with physical activity (PA), but this association has never been studied in prospective cohort studies. We therefore assessed the association between PA and risk of death from ALS in the European Prospective Investigation into Cancer and Nutrition. A total of 472,100 individuals were included in the analysis, yielding 219 ALS deaths. At recruitment, information on PA was collected through standardised questionnaires. Total PA was expressed by the Cambridge Physical Activity Index (CPAI) and analysed in relation to ALS mortality, using Cox hazard models. Interactions with age, sex, and anthropometric measures were assessed. Total PA was weakly inversely associated with ALS mortality with a borderline statistically significant trend across categories (p = 0.042), with those physically active being 33 % less likely to die from ALS compared to those inactive: HR = 0.67 (95 % CI 0.42-1.06). Anthropometric measures, sex, and age did not modify the association with CPAI. The present study shows a slightly decreased-not increased like in case-control studies-risk of dying from ALS in those with high levels of total PA at enrolment. This association does not appear confounded by age, gender, anthropometry, smoking, and education. Ours was the first prospective cohort study on ALS and physical activity.
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5.
  • Mattias, Lindh, et al. (author)
  • Handbok för nordlig solel
  • 2020
  • Reports (other academic/artistic)abstract
    • Solen är en för människan evig energikälla och solel har en given plats i ett framtida hållbart och förnybart energisystem – globalt och i Sverige. Kostnaden för en solelanläggning har sjunkit drastiskt de senaste åren och tillgängligheten har ökat. Det gör solel relevant utanför de regioner som har störst solinstrålning; även i norra Skandinavien är det en långsiktigt hållbar investering ur både ett energi- och ekonomiskt perspektiv.Nordlig solel har goda men annorlunda förutsättningar jämfört med de i södra Sverige och Centraleuropa. Solens position på himlen och den instrålade energin per år är lägre, det är en stor andel diffust ljus och man kan förvänta sig mer reflektioner från en snötäckt mark på vintern. På sommaren är soltimmarna fler och solens bana längre. Medeltemperaturen är betydligt lägre på årsbasis men skillnaden mot sydligare breddgrader är mindre under sommaren då instrålningen är stor. En annan avgörande faktor är snö som under stora delar av året i norr täcker marken och potentiellt solelanläggningar. Om snötäckningen kan begränsas till de mörkaste månaderna blir årseffekterna på energiproduktionen små, men snölaster ställer höga krav på solelanläggningars kvalitet, både ur installations- och komponentperspektiv.Genom att beakta följande fem rekommendationer kan man minska risken för problem:1. Undersök snöförhållandena på platsen innan installation. Anläggningsägaren vet ofta bäst var snön brukar ansamlas och när den smälter bort eller glider av.2. Säkerställ att installationen är genomtänkt ur ett snöperspektiv. En noggrann kontroll av att installationen följer leverantörernas anvisningar är extra viktigt när förhållandena är krävande.3. Välj robusta moduler och fästanordningar – en solelanläggning ska hålla i många år och bör utformas för att klara lokala snöförhållanden.4. Utforma om möjligt anläggningen så att snöröjning inte krävs. Röj (varsamt) undan snö från anläggningen om det trots det blir nödvändigt: för att undvika takras, skydda solelanläggningen mot tryck- och glidskador från ett tjockt snötäcke och för att möjliggöra elproduktion från tidig vår.5. Montera modulerna med rätt orientering. Söderläge och så hög lutning som möjligt upp till om kring 50° (i Piteå) är generellt bäst. Ofta är man begränsad av takets utformning men även avvikelser från söder mot öst eller väst och mindre lutningar kan ge ett acceptabelt energiutbyte.Huvudregeln bör vara att: Montera solceller där solinstrålningen är stor men snö inte ansamlas!
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6.
  • Pigg, Maria, et al. (author)
  • A comparative analysis of MRI, CBCT and conventional radiography in patients with atypical odontalgia and symptomatic apical periodontitis : preliminary results
  • 2006
  • In: Swedish Dental Journal. - 0347-9994. ; 30:4, s. 173-174
  • Journal article (other academic/artistic)abstract
    • Aim: Atypical odontalgia(AO) is a chronic pain condition located in the teeth and jaws. It has been suggested, that AO is best regarded as a neuropathic pain condition, but knowledge regarding the etiology, diagnostics, and management of AO is not yet satisfactory. This pilot study evaluates the clinical usefulness of more recently developed imaging methods for intraoral pain conditions. The aim is to compare the diagnostic findings using magnetic resonance imaging(MRI) and cone beam computed tomography(CBCT) with the findings from conventional radiography in patients with atypical odontalgia(AO) and symptomatic apical periodontitis(SAP). Material and methods: 12 patients (9 F, 3 M) mean age 50,25 years, range 36 - 63 years participated in the study. The patients were referred to the Orofacial Pain Unit or the Department of Endodontics, Faculty of Odontology, Malmö University. Inclusion criteria for AO were chronic pain (>6 months) located in a region where a tooth had been endodontically or surgically treated, pain with no pathological cause detectable in clinical or radiological examinations. For SAP, the inclusion criteria were recurrent pain from a tooth diagnosed with apical periodontitis in a clinical and radiographic examination. Ten of the patients in the study were diagnosed with AO and two with SAP. The patients were clinically assessed with a qualitative somatosensory examination, a dental examination, an examination of the masticatory system(RDC/TMD), and panoramic and intraoral radiographs. A questionnaire was used to gather information about pain characteristics, psychosocial status(SCL-90), and quality of life. Besides these measures, each patient underwent a CBCT(3D-Accuitomo, J Morita Co) examination and a MRI(Siemens Sonata Vision 1.5 T) examination with and without contrast enhancement. Contrast was enhanced by injections of Magnevist (469 mg/ml, Schering Nordiska). Bone destruction, sclerosis, and signs of inflammation were the main parameters studied. Results: In the preliminary results, average pain intensity was 6.3 on a numerical rating scale(NRS) and average pain duration was 3,6 years. 83% exhibited somatosensory abnormalities. Bone destruction not visible in the intraoral and panoramic radiographs was detected with CBCT in 40% (4/10) of the patients diagnosed with AO, and signs of inflammation were detected in the MRIs of 20% (2/10) of the patients diagnosed with AO. Conclusion: Preliminary findings indicate that CBCT and MRI can provide additional information to conventional radiography in the diagnosis of intraoral orofacial pain. Further studies with larger sample sizes of AO and SAP patients are necessary to determine the clinical relevance of these findings.
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8.
  • Pigg, Maria, et al. (author)
  • Diagnostic yield of conventional radiographic and cone-beem computed tomographic images in patients with atypical odontalgia
  • 2011
  • In: International Endodontic Journal. - : John Wiley & Sons. - 0143-2885 .- 1365-2591. ; 12:44, s. 1092-1101
  • Journal article (peer-reviewed)abstract
    • Abstract AIM: To investigate whether the additional diagnostic yield of a cone-beam computed tomography (CBCT) examination over conventional radiographs in patients primarily suspected of having atypical odontalgia (AO) improves differentiation between AO and symptomatic apical periodontitis (SAP) in patients with severe chronic intraoral pain. METHODOLOGY: In this clinical study, 25 patients (mean age 54 ± 11 years, range 34-72) participated; 20 were diagnosed with AO and 5 with SAP. All patients were recruited from the clinics of the Faculty of Odontology, Malmö University. AO inclusion criteria were chronic pain (>6 months) in a region where a tooth had been endodontically or surgically treated, with no pathological cause detectable in clinical or radiologic examinations. SAP inclusion criteria were recurrent pain from a tooth diagnosed with apical periodontitis in clinical and radiographic examinations. Assessments comprised a self-report questionnaire on pain characteristics, a comprehensive clinical examination and a radiographic examination including panoramic and intraoral radiographs and CBCT images. The main outcome measure was periapical bone destruction. RESULTS: Sixty per cent of patients with AO had no periapical bone destructions detectable with any radiographic method. Overall, CBCT rendered 17% more periapical bone destructions than conventional radiography. Average pain intensity in patients with AO was 5.6 (± 1.8) on a 0-10 numerical rating scale, and average pain duration was 4.3 (± 5.2) years. CONCLUSION: Cone-beam computed tomography improves identification of patients without periapical bone destruction, which may facilitate differentiation between AO and SAP.
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9.
  • Wikberg, Carl, et al. (author)
  • Comparison Between the Montgomery-Asberg Depression Rating Scale–Self and the Beck Depression Inventory II in Primary Care
  • 2015
  • In: The Primary Care Companion for CNS Disorders. - 0160-6689 .- 1555-2101 .- 2155-7772. ; 17:3
  • Journal article (peer-reviewed)abstract
    • Objective: The Montgomery-Asberg Depression Rating Scale–Self (MADRS-S) and the Beck Depression Inventory II (BDI-II) are commonly used self-assessment instruments for screening and diagnosis of depression. The BDI-II has 21 items and the MADRS-S has 9 items. These instruments have been tested with psychiatric inpatients but not in outpatient primary care, where most patients with symptoms of depression initially seek treatment. The purpose of this study was to compare these 2 instruments in the primary care setting. Method: Data were collected from 2 primary care randomized controlled trials that were performed from 2010 to 2013 in Sweden: the Primary Care Self-Assessment MADRS-S Study and Primary Care Internet-Based Cognitive Behavioral Therapy Study. There were 146 patients (73 patients each from both trials) who had newly diagnosed mild or moderate depression (per DSM-IV recommendations) and who had assessment with both the MADRS-S and BDI-II at primary care centers. Comparability and reliability of the instruments were estimated by Pearson product moment correlation and Cronbach α. Results: A good correlation was observed between the 2 instruments: 0.66 and 0.62 in the 2 study cohorts. The reliability within the 2 study cohorts was good for both MADRS-S (Cronbach α: 0.76 for both cohorts) and BDI-II items (Cronbach α: 0.88 and 0.85). Conclusions: The 2 instruments showed good comparability and reliability for low, middle, and high total depression scores. The MADRS-S may be used as a rapid, easily administered, and inexpensive tool in primary care and has results comparable to the BDI-II in all domains.
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10.
  • Wolf, Eva, et al. (author)
  • Long-term follow-up by means of a questionnaire of 109 patients with long-lasting orofacial pain.
  • 2002
  • In: Swedish Dental Journal. - : Swedish Dental Association. - 0347-9994. ; 26:3, s. 125-34
  • Journal article (peer-reviewed)abstract
    • The aims were to follow-up, analyse and compare the pain status after 4-9 years with that at the baseline examination of 109 consecutive patients referred to the Pain Group at the Faculty of Odontology in Malmö, Sweden during the period 1988-1993 due to long-lasting orofacial pain. A further aim was to identify predictive factors of significance for pain alteration. 85 (78%) women with a median age of 51 years and 24 (22%) men with a median age of 60 years were included in the study. A survey of the pain status at the follow-up was conducted by means of a mailed questionnaire. The questionnaire covered the following aspects: pain alteration, pain intensity, pain location, medication and education. After one reminder, the non-responding patients were called for a telephone interview. A response level of 85% was obtained. Significant improvements were noted by the patients in the answers of the questionnaire in mainly three areas; the patients answered individually that pain relief had occurred, pain intensity rated on the VAS was lower at follow-up compared to the baseline examination and a decrease in drug use was reported. The responses indicated pain relief for 75% of the patients. However, only 27% of the patients experienced total disappearance of pain. Medication at baseline with opioids, muscle relaxants with central effect, antidepressants, neuroleptics, hypnotics or sedatives was found to be a predictive factor for persistent pain.
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11.
  • Adamson, Carly, et al. (author)
  • Dapagliflozin for Heart Failure According to Body Mass Index : The DELIVER Trial.
  • 2022
  • In: European heart journal. - : Oxford University Press (OUP). - 0195-668X .- 1522-9645. ; 43:41, s. 4406-4417
  • Journal article (peer-reviewed)abstract
    • AIMS: Obesity is common and associated with unique phenotypic features in heart failure with preserved ejection fraction (HFpEF). Therefore, understanding the efficacy and safety of new therapies in HFpEF patients with obesity is important. The effects of dapagliflozin were examined according to body mass index (BMI) among patients in the Dapagliflozin Evaluation to Improve the LIVEs of Patients With PReserved Ejection Fraction Heart Failure trial. METHODS AND RESULTS: Body mass index was analysed by World Health Organization (WHO) categories and as a continuous variable using restricted cubic splines. Body mass index ranged from 15.2 to 50 kg/m2 with a mean value of 29.8 (standard deviation +/- 6.1) kg/m2. The proportions, by WHO category, were: normal weight 1343 (21.5%); overweight 2073 (33.1%); Class I obesity 1574 (25.2%); Class II obesity 798 (12.8%); and Class III obesity 415 (6.6%). Compared with placebo, dapagliflozin reduced the risk of the primary outcome to a similar extent across these categories: hazard ratio (95% confidence interval): 0.89 (0.69-1.15), 0.87 (0.70-1.08), 0.74 (0.58-0.93), 0.78 (0.57-1.08), and 0.72 (0.47-1.08), respectively (P-interaction = 0.82). The placebo-corrected change in Kansas City Cardiomyopathy Questionnaire total symptom score with dapagliflozin at 8 months was: 0.9 (-1.1, 2.8), 2.5 (0.8, 4.1), 1.9 (-0.1, 3.8), 2.7 (-0.5, 5.8), and 8.6 (4.0, 13.2) points, respectively (P-interaction = 0.03). The placebo-corrected change in weight at 12 months was: -0.88 (-1.28, -0.47), -0.65 (-1.04, -0.26), -1.42 (-1.89, -0.94), -1.17 (-1.94, -0.40), and -2.50 (-4.4, -0.64) kg (P-interaction = 0.002). CONCLUSIONS: Obesity is common in patients with HFpEF and is associated with higher rates of heart failure hospitalization and worse health status. Treatment with dapagliflozin improves cardiovascular outcomes across the spectrum of BMI, leads to greater symptom improvement in patients with obesity, compared with those without, and has the additional benefit of causing modest weight loss.
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12.
  • af Winklerfelt Hammarberg, Sandra, et al. (author)
  • Clinical effectiveness of care managers in collaborative primary health care for patients with depression : 12-and 24-month follow-up of a pragmatic cluster randomized controlled trial
  • 2022
  • In: BMC Primary Care. - : Springer Nature. - 2731-4553. ; 23:1
  • Journal article (peer-reviewed)abstract
    • Background In previous studies, we investigated the effects of a care manager intervention for patients with depression treated in primary health care. At 6 months, care management improved depressive symptoms, remission, return to work, and adherence to anti-depressive medication more than care as usual. The aim of this study was to compare the long-term effectiveness of care management and usual care for primary care patients with depression on depressive symptoms, remission, quality of life, self-efficacy, confidence in care, and quality of care 12 and 24 months after the start of the intervention. Methods Cluster randomized controlled trial that included 23 primary care centers (11 intervention, 12 control) in the regions of Vastra Gotaland and Dalarna, Sweden. Patients >= 18 years with newly diagnosed mild to moderate depression (n = 376: 192 intervention, 184 control) were included. Patients at intervention centers co-developed a structured depression care plan with a care manager. Via 6 to 8 telephone contacts over 12 weeks, the care manager followed up symptoms and treatment, encouraged behavioral activation, provided education, and communicated with the patient's general practitioner as needed. Patients at control centers received usual care. Adjusted mixed model repeated measure analysis was conducted on data gathered at 12 and 24 months on depressive symptoms and remission (MADRS-S); quality of life (EQ5D); and self-efficacy, confidence in care, and quality of care (study-specific questionnaire). Results The intervention group had less severe depressive symptoms than the control group at 12 (P = 0.02) but not 24 months (P = 0.83). They reported higher quality of life at 12 (P = 0.01) but not 24 months (P = 0.88). Differences in remission and self-efficacy were not significant, but patients in the intervention group were more confident that they could get information (53% vs 38%; P = 0.02) and professional emotional support (51% vs 40%; P = 0.05) from the primary care center. Conclusions Patients with depression who had a care manager maintained their 6-month improvements in symptoms at the 12- and 24-month follow-ups. Without a care manager, recovery could take up to 24 months. Patients with care managers also had significantly more confidence in primary care and belief in future support than controls.
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13.
  • Agredo Chavez, Angelica Maria, et al. (author)
  • Cracking and Fatigue of Heavy Loaded Prestressed Concrete Bridge in Sweden
  • 2022
  • In: IABSE Symposium Prague 2022: Challenges for Existing and Oncoming Structures - Report, International Association for Bridge and Structural Engineering. - Zürich : International Association for Bridge and Structural Engineering. ; , s. 792-799
  • Conference paper (peer-reviewed)abstract
    • A prestressed concrete bridge was built in 1963 with BBRV cables. It has three spans and a total length of 134.8 m. Due to mining activities the bridge was loaded with trucks with a total weight of 90 ton during 2012-2014 and from 2019. Crack development has been monitored manually and from 2020 with strain gauges and LVDTs.Cracks normally vary between 0.1 to 0.3 mm in width and grow in length with time. In November 2020 some of the strain gauges on the concrete showed alarming growth and the bridge was closed for traffic. Additional strain gauges were installed on vertical reinforcement bars and an assessment was carried out of the fatigue capacity of the bridge. It was found that the new strain gauges did not indicate any growth in strain and that the fatigue capacity was sufficient. The bridge could be opened again for traffic after being closed for five weeks. Monitoring drift in the strain gauges and fatigue are discussed.
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  • Altman, Maria, et al. (author)
  • Prolonged second stage of labor is associated with low Apgar score
  • 2015
  • In: European Journal of Epidemiology. - Stockholm : Karolinska Institutet, Dept of Medicine, Solna. - 0393-2990 .- 1573-7284.
  • Journal article (peer-reviewed)abstract
    • There is no consensus on the effects of a prolonged second stage of labor on neonatal outcomes. In this large Swedish population-based cohort study, our objective was to investigate prolonged second stage and risk of low Apgar score at 5 minutes. All nulliparous women (n= 32 796) delivering a live born singleton infant in cephalic presentation at ≥37 completed weeks after spontaneous onset of labor between 2008 and 2012 in the counties of Stockholm and Gotland were included. Data were obtained from computerized records. Exposure was time from fully retracted cervix until delivery. Logistic regression analyses were used to estimate crude and adjusted odds ratios (OR) with 95% confidence intervals (CI). Adjustments were made for maternal age, height, BMI, smoking, sex, gestational age, sex-specific birth weight for gestational age and head circumference. Epidural analgesia was included in a second model. The primary outcome measure was Apgar score at 5 minutes <7 and <4. We found that the overall rates of 5 minute Apgar score <7 and <4 were 7.0 and 1.3 per 1000 births, respectively. Compared to women with <1 hour from retracted cervix to birth, adjusted ORs of Apgar score <7 at 5 minutes generally increased with length of second stage of labor: 1-<2 hours: OR 1.78 (95% CI 1.19-2.66); 2- <3 hours: OR 1.66 (1.05-2.62); 3-<4 hours: OR 2.08 (1.29-3.35); and ≥4 hours: OR 2.71 (1.67-4.40). We conclude that prolonged second stage of labor is associated with an increased risk of low 5 minute Apgar score.
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18.
  • Amouzad Mahdiraji, Saeid, et al. (author)
  • An Optimization Model for the Placement of Mobile Stroke Units
  • 2024
  • In: Advanced Research in Technologies, Information, Innovation and Sustainability - 3rd International Conference, ARTIIS 2023, Proceedings. - : Springer. - 1865-0937 .- 1865-0929. - 9783031488573 - 9783031488580 ; 1935 CCIS, s. 297-310
  • Conference paper (peer-reviewed)abstract
    • Mobile Stroke Units (MSUs) are specialized ambulances that can diagnose and treat stroke patients; hence, reducing the time to treatment for stroke patients. Optimal placement of MSUs in a geographic region enables to maximize access to treatment for stroke patients. We contribute a mathematical model to optimally place MSUs in a geographic region. The objective function of the model takes the tradeoff perspective, balancing between the efficiency and equity perspectives for the MSU placement. Solving the optimization problem enables to optimize the placement of MSUs for the chosen tradeoff between the efficiency and equity perspectives. We applied the model to the Blekinge and Kronoberg counties of Sweden to illustrate the applicability of our model. The experimental findings show both the correctness of the suggested model and the benefits of placing MSUs in the considered regions.
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19.
  • Andersén, Annelie, 1977-, et al. (author)
  • Yrkesämnesdidaktik på universitet : Mål, innehåll, arbetssätt och examination
  • 2018
  • In: Nordic Journal of Vocational Education and Training. - Linköping : Linköping University Electronic Press. - 2242-458X. ; 8:3, s. 98-123
  • Journal article (peer-reviewed)abstract
    • The purpose of this article is to investigate learning goals, content, working methods and examinations in the vocational didactic sections of the vocational teacher education programme. In a case study, a total of forty study guides from one vocational teacher education programme have been analysed in order to answer what central content is highlighted, how the goals are examined, and what course literature is used in vocational subject didactics in a selected vocational teacher education programme at a Swedish university. The aim of the analysis, based on Hiim’s (2010) model, is to find both clearly expressed and more latent elements. The results answer questions on what the subject didactics contain in three different courses. Vocational teacher educators plan their teaching with regard to the goals of vocational subject didactics, but the interpretation of goals varies among different educators and within different vocational subjects. The result also gives some indications of what could be general differences and similarities within and between different didactics teacher groups and/or vocational subjects. The analysis of the study guides also shows that educational background and the form of employment of educators seem to be of importance.
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  • Andersson, Maria A., et al. (author)
  • Evaluation of the potential genotoxicity of chromium picolinate in mammalian cells in vivo and in vitro
  • 2007
  • In: Food and Chemical Toxicology. - : Elsevier BV. - 0278-6915 .- 1873-6351. ; 45:7, s. 1097-1106
  • Journal article (peer-reviewed)abstract
    • Chromium picolinate (CrPic) is a synthetic nutritional supplement primarily used for weight loss and muscle building. Recent studies have indicated that CrPic might be genotoxic and these findings together with the wide-spread consumer use, have increased the concern about its safety. In the present study we investigated the potential genotoxicity of CrPic in mice given a single intraperitoneal injection (up to 3 mg/kg b.wt.) by evaluating the frequency of micronucleated polychromatic erythrocytes (fMNPCE) in peripheral blood, and DNA damage in lymphocytes and hepatocytes. The fMNPCE was evaluated after 42 h and DNA damage after 16 h. Using the Comet assay DNA damage was also monitored in extended-term cultures of human lymphocytes and in L5178Y mouse lymphoma cells that had been exposed for 3 h to 500 μM CrPic under different exposure conditions.A slight, but significant CrPic-induced increase in DNA damage (P < 0.001) was observed in the human lymphocytes, but only when these cells were exposed in the absence of serum. In all other experiments CrPic was found to be without genotoxic effects, both in vivo and in vitro. Taken together, our results suggest that a high concentration of CrPic might be DNA damaging, but only under non-physiological conditions.
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22.
  • Andersson, Maria L. E., et al. (author)
  • Early increase in serum-COMP is associated with joint damage progression over the first five years in patients with rheumatoid arthritis
  • 2013
  • In: BMC Musculoskeletal Disorders. - : Springer Science and Business Media LLC. - 1471-2474. ; 14
  • Journal article (peer-reviewed)abstract
    • Background: Currently available biomarkers for the early tissue process leading to joint damage in rheumatoid arthritis are insufficient and lack prognostic accuracy, possibly a result of variable activity of the disease over time. This study represents a novel approach to detect an altered activity of the disease process detected as increasing serum-COMP levels over a short time and whether this would correlate with joint damage progression over the first 5 years of disease. Methods: In all, 349 patients from the Swedish BARFOT early RA study were examined. Serum-COMP was analysed by ELISA at diagnosis and after 3 months. Based on changes in serum-COMP levels, three subgroups of patients were defined: those with unchanged levels (change <= 20%) (N=142), decreasing levels (> 20%) (N=173) and increasing levels (> 20%) (N=34). Radiographs of hands and feet were obtained at inclusion, after 1, 2 and 5 years and scored according to Sharp van der Heijde (SHS). Radiographic progression was defined as increase in SHS by >= 5.8. Results: The group of patients with increasing COMP levels showed higher median change in total SHS and erosion scores at 1, 2 and 5 year follow-up compared with the groups with stable or decreasing COMP levels. Furthermore, the odds ratio of radiographic progression was 2.8 (95% CI 1.26-6.38) for patients with increasing COMP levels vs. patients with unchanged levels. The group of patients with increasing COMP levels had higher ESR at inclusion but there were no baseline differences between the groups for age, gender, disease duration, disease activity (DAS28), function (HAQ), CRP, nor presence of rheumatoid factor or anti-CCP. Importantly, neither did changes over the 3-month period in DAS28, HAQ, ESR nor CRP differ between the groups and these variables did not correlate to joint damage progression. Conclusion: Increasing serum-COMP levels between diagnosis and the subsequent 3 months in patients with early RA represents a novel indicator of an activated destructive process in the joint and is a promising tool to identify patients with significant joint damage progression during a 5-year period.
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23.
  • Andersson, Maria, et al. (author)
  • Serum levels of Cartilage Oligomeric Matrix Protein (COMP) increase temporarily after physical exercise in patients with knee osteoarthritis
  • 2006
  • In: BMC Musculoskeletal Disorders. - : Springer Science and Business Media LLC. - 1471-2474. ; 7
  • Journal article (peer-reviewed)abstract
    • Background: COMP (Cartilage oligomeric matrix protein) is a matrix protein, which is currently studied as a potential serum marker for cartilage processes in osteoarthritis (OA). The influence of physical exercise on serum COMP is not fully elucidated. The objective of the present study was to monitor serum levels of COMP during a randomised controlled trial of physical exercise vs. standardised rest in individuals with symptomatic and radiographic knee OA. Methods: Blood samples were collected from 58 individuals at predefined time points before and after exercise or rest, one training group and one control group. The physical exercise consisted of a one-hour supervised session twice a week and daily home exercises. In a second supplementary study 7 individuals were subjected to the same exercise program and sampling of blood was performed at fixed intervals before, immediately after, 30 and 60 minutes after the exercise session and then with 60 minutes interval for another five hours after exercise to monitor the short-term changes of serum COMP. COMP was quantified with a sandwich-ELISA (AnaMar Medical, Lund, Sweden). Results: Before exercise or rest no significant differences in COMP levels were seen between the groups. After 60 minutes exercise serum COMP levels increased (p<0.001). After 60 minutes of rest the serum levels decreased (p=0.003). Median serum COMP values in samples obtained prior to exercise or rest at baseline and after 24 weeks did not change between start and end of the study. In the second study serum COMP was increased immediately after exercise (p=0.018) and had decreased to baseline levels after 30 minutes. Conclusion: Serum COMP levels increased during exercise in individuals with knee OA, whereas levels decreased during rest. The increased serum COMP levels were normalized 30 minutes after exercise session, therefore we suggest that samples of blood for analysis of serum COMP should be drawn after at least 30 minutes rest in a seated position. No increase was seen after a six-week exercise program indicating that any effect of individualized supervised exercise on cartilage turnover is transient.
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24.
  • André-Petersson, Lena, et al. (author)
  • Social support at work and the risk of myocardial infarction and stroke in women and men.
  • 2007
  • In: Social Science and Medicine. - : Elsevier BV. - 1873-5347 .- 0277-9536. ; 64:4, s. 830-841
  • Journal article (peer-reviewed)abstract
    • It has been proposed that lack of social support in a work place characterized by high levels of stress, may increase the likelihood of future cardiovascular disease. The aim of this study was to analyze the prospective impact of social support at work in combination with self-reported work stress on incidence of myocardial infarction (MI) and stroke in a cohort of 4707 women (mean age: 54.2 years) and 3063 men (mean age: 55.5 years) in Malmo, Sweden. The results are based oil self-reports of work-related stress and social support collected at baseline examinations between the years 1992 and 1996. Work-stress was operationalized according to the Karasek job strain model. Data on incidence of NIL and stroke were obtained from national and regional registers. At the end of follow-up, December 31, 2001, 38 women had experienced an MI and 53 had had a stroke. Corresponding figures for men were 114 MIs and 81 strokes. The first finding was that social support at work was an independent predictor of an M I and stroke among women. The second finding was that there was no evidence to support the iso-strain model. The third finding was that low levels of social support at work together with a passive work situation indicated an increased risk of a future cardiovascular outcome (NI I or stroke) during follow-up in the female group. In men, no association was found between any psychosocial work conditions and incidence of MI or stroke during the same follow-up period. (c) 2006 Elsevier Ltd. All rights reserved.
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25.
  • Annerbo, Kerstin, 1964-, et al. (author)
  • Bibliotekarier och forskningsutställningar : "Mission impossible"?
  • 2021
  • In: När nyfikenhet, driv och kreativitet möts. - Stockholm : Kungliga biblioteket. - 9789170004315 - 9789170004322 - 9789170004339 ; , s. 53-61
  • Book chapter (pop. science, debate, etc.)abstract
    • Att bibliotekens uppgifter kan skifta eller ändra fokus, så att?arbetsformer förändras och bibliotekariers roller därigenom?omformas, är varken nytt eller konstigt. Så har det alltid varit.?En av de nya rollerna för bibliotekarier som blivit vanligare?på senare år är utvecklings- och producentrollen. Ta del av ett?samtal om hur verksamheten med att skapa forskningsutställningar har utvecklats på Linköpings universitetsbibliotek.
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26.
  • Arlien-Soborg, Mai C., et al. (author)
  • Acromegaly management in the Nordic countries: A Delphi consensus survey
  • 2024
  • In: Clinical Endocrinology. - : WILEY. - 0300-0664 .- 1365-2265.
  • Journal article (peer-reviewed)abstract
    • ObjectiveAcromegaly is associated with increased morbidity and mortality if left untreated. The therapeutic options include surgery, medical treatment, and radiotherapy. Several guidelines and recommendations on treatment algorithms and follow-up exist. However, not all recommendations are strictly evidence-based. To evaluate consensus on the treatment and follow-up of patients with acromegaly in the Nordic countries.MethodsA Delphi process was used to map the landscape of acromegaly management in Denmark, Sweden, Norway, Finland, and Iceland. An expert panel developed 37 statements on the treatment and follow-up of patients with acromegaly. Dedicated endocrinologists (n = 47) from the Nordic countries were invited to rate their extent of agreement with the statements, using a Likert-type scale (1-7). Consensus was defined as >= 80% of panelists rating their agreement as >= 5 or <= 3 on the Likert-type scale.ResultsConsensus was reached in 41% (15/37) of the statements. Panelists agreed that pituitary surgery remains first line treatment. There was general agreement to recommend first-generation somatostatin analog (SSA) treatment after failed surgery and to consider repeat surgery. In addition, there was agreement to recommend combination therapy with first-generation SSA and pegvisomant as second- or third-line treatment. In more than 50% of the statements, consensus was not achieved. Considerable disagreement existed regarding pegvisomant monotherapy, and treatment with pasireotide and dopamine agonists.ConclusionThis consensus exploration study on the management of patients with acromegaly in the Nordic countries revealed a relatively large degree of disagreement among experts, which mirrors the complexity of the disease and the shortage of evidence-based data.
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27.
  • Arlien-Soborg, Mai C., et al. (author)
  • Acromegaly management in the Nordic countries: A Delphi consensus survey
  • 2024
  • In: CLINICAL ENDOCRINOLOGY. - : WILEY. - 0300-0664 .- 1365-2265.
  • Journal article (peer-reviewed)abstract
    • ObjectiveAcromegaly is associated with increased morbidity and mortality if left untreated. The therapeutic options include surgery, medical treatment, and radiotherapy. Several guidelines and recommendations on treatment algorithms and follow-up exist. However, not all recommendations are strictly evidence-based. To evaluate consensus on the treatment and follow-up of patients with acromegaly in the Nordic countries.MethodsA Delphi process was used to map the landscape of acromegaly management in Denmark, Sweden, Norway, Finland, and Iceland. An expert panel developed 37 statements on the treatment and follow-up of patients with acromegaly. Dedicated endocrinologists (n = 47) from the Nordic countries were invited to rate their extent of agreement with the statements, using a Likert-type scale (1-7). Consensus was defined as >= 80% of panelists rating their agreement as >= 5 or <= 3 on the Likert-type scale.ResultsConsensus was reached in 41% (15/37) of the statements. Panelists agreed that pituitary surgery remains first line treatment. There was general agreement to recommend first-generation somatostatin analog (SSA) treatment after failed surgery and to consider repeat surgery. In addition, there was agreement to recommend combination therapy with first-generation SSA and pegvisomant as second- or third-line treatment. In more than 50% of the statements, consensus was not achieved. Considerable disagreement existed regarding pegvisomant monotherapy, and treatment with pasireotide and dopamine agonists.ConclusionThis consensus exploration study on the management of patients with acromegaly in the Nordic countries revealed a relatively large degree of disagreement among experts, which mirrors the complexity of the disease and the shortage of evidence-based data.
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28.
  • Asghari, Hamid, 1967-, et al. (author)
  • Att vara lärare för lärare : Ämnesdidaktiska syften i utbildning till yrkeslärare och ämneslärare
  • 2019
  • In: Pedagogiska utvecklingsprojekt vid Karlstads universitet. - Karlstad : Karlstads universitet. - 9789178670727 - 9789178670826 ; , s. 11-36
  • Book chapter (peer-reviewed)abstract
    • Under 2018 genomförs ett pilotprojekt med medel från lärarutbildningsnämnden (LUN) kring hur didaktiklärarna i den korta lärarutbildningen (KUB) ser på sitt uppdrag. Frågan är viktig att belysa då didaktik utgör en stor del av lärarutbildningen. Dessutom behöver didaktikerna, utifrån de nationella examensmålen för utbildningen, bedöma vilken kunskap som undervisningen skall förmedla, hur, när och varför den ska undervisas samt att vara medvetna om samspelet mellan undervisning, lärande och resultat (jfr Bengtsson & Kroksmark, 1994; Dahlgren, 1990). I det sammanhanget blir det viktigt att undersöka hur yrkesdidaktikerna ser på sitt uppdrag och vilka kvalitéer i lärares kompetens de månar om. Inom KUB är ämnesdidaktiken insprängd i den utbildnings­vetenskapliga kärnans kurser (UK-kurserna). Studenterna är här indelade i olika (yrkes-)ämnes-didaktikgrupper beroende på ämnesinriktning. I samma kurs kan det finnas upp mot 25 olika didaktikgrupper. Sammanlagt fanns inom KUB läsåret 17/18 drygt 40 verksamma didaktiker med olika bakgrund (lektorer, adjunkter och gymnasielärare). Vid kursledarmöten, KUB-konferenser och kursvärderingar har det framkommit att det ser väldigt olika ut i samma kurs avseende vad den didaktiska delen innehåller och hur den examineras. I projektet undersöks genom textanalyser (jfr Boréus & Bergström, 2005) hur kursmålen inom didaktiken examineras och vilket innehåll som lyfts fram i samtliga 90 studiehandledningar som berör yrkesämnes och ämnesdidaktik inom YRK och KPU ht 2017. Resultaten pekar på att didaktikernas syn på sitt uppdrag skiljer sig beroende på deras utbildningsbakgrund och anställningsform. Didaktiker med forskarexamen bygger i större utsträckning sina uppgifter på forskning, har en mer vetenskaplig tolkning av lärandemålen, examinerar studenterna utifrån sin vetenskapliga tolkning av lärandemålen och använder sig utav forskningsartiklar och doktorsavhandlingar i litteraturlistan än didaktiker som inte har forskarutbildning. Didaktiker som några gånger per termin kommer från gymnasieskolor till universitet och undervisar yrkeslärarstudenter konstruerar sina uppgifter och examinerar sina studenter baserad på ”den undervisningsverklighet” studenterna kommer att möta i sina framtida yrken som yrkeslärare. De använder också oftare än didaktiker med forskarexamen texter från sina branschorganisationer i litteraturlistan.
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29.
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30.
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31.
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32.
  • Bendix, Marie, et al. (author)
  • Insulin and glucagon in plasma and cerebrospinal fluid in suicide attempters and healthy controls
  • 2017
  • In: Psychoneuroendocrinology. - : Elsevier. - 0306-4530 .- 1873-3360. ; 81, s. 1-7
  • Journal article (peer-reviewed)abstract
    • Mental disorders and related behaviors such as suicidality and violence have been associated to dysregulation of e g carbohydrate metabolism. We hypothesized that patients after suicide attempt, compared to healthy controls, would have higher insulin and lower glucagon levels in plasma and cerebrospinal fluid and that these changes would be associated to violent behavior. Twenty-eight medication-free patients (10 women, 18 men), hospitalized after suicide attempt, and 19 healthy controls (7 women, 12 men) were recruited with the aim to study risk factors for suicidal behavior. Psychological/psychiatric assessment was performed with SCID I and II or the SCID interview for healthy volunteers respectively, the Karolinska Interpersonal Violence Scale (KIVS) for assessment of lifetime violence expression behavior, the Montgomery-Asberg-Depression-Scale (MADRS) and the Comprehensive Psychological Rating Scale (CPRS) for symptomatic assessment of depression and appetite. Fasting levels of insulin and glucagon were measured in plasma (P) and cerebrospinal fluid (CSF). Suicide attempters had higher insulin- and lower glucagon-levels in plasma- and CSF compared to controls. Except for P-glucagon these associations remained significant after adjusting for age and/or BMI. Patients reported significantly more expressed interpersonal violence compared to healthy volunteers. Expressed violence was significantly positively correlated with P- and CSF-insulin and showed a significant negative correlation with P-glucagon in study participants. These findings confirm and extend prior reports that higher insulin and lower glucagon levels in plasma and cerebrospinal fluid are associated with suicidal behavior pointing towards a potential autonomic dysregulation in the control of insulin and glucagon secretion in suicidal patients. 
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33.
  • Bendix, Marie, 1971- (author)
  • Neuroendocrine studies in patients with affective disorders
  • 2019
  • Doctoral thesis (other academic/artistic)abstract
    • Background: Affective disorders are common and a major cause for increased disability and mortality worldwide. Exogenous stressors and biological variables, including neuroendocrine factors, are assumed to contribute to an increased vulnerability to mood dysregulation. Affective disorders are highly heterogeneous and different neuroendocrine systems may play differential roles in the phenotypic expression of affective disorders in men and women.Aims: The overall aim of this thesis was to study three neuroendocrine systems in relation to underlying behavioral endophenotypes (personality traits, self-directed and interpersonal violence, and psychiatric symptoms) in patients with affective disorders.Methods: In Study I oxytocin plasma levels were assessed in 101 general psychiatric outpatients and followed-up in 36 patients after one month. Patients underwent diagnostic, symptomatic, and personality trait assessments.In Study II insulin and glucagon levels in plasma and cerebrospinal fluid (CSF) were assessed in 28 patients hospitalized after a recent suicide attempt and 19 healthy controls. Study persons were assessed regarding lifetime violence expression, psychiatric diagnoses and symptoms.In Study III serum levels of allopregnanolone, progesterone and estradiol were assessed in 14 women with severe postpartum depression and psychosis who, as previously reported, responded with rapid symptom remission during sublingual estradiol treatment. Hormonal and symptomatic assessment were performed before and after 4 weeks of estradiol treatment. 28 healthy postpartum controls were included for baseline comparison.Results: I) Plasma oxytocin levels were positively associated with personality traits of impulsiveness (monotony avoidance) and negative emotionality (psychic anxiety) with potential gender differences.II) Patients after suicide attempt had higher insulin (plasma and CSF) and lower glucagon levels (CSF) than healthy controls. Insulin levels (plasma and CSF) were higher and glucagon levels (plasma) were lower in patients and controls with higher levels of prior violence expression.III) Serum allopregnanolone decreased in women with postpartum depression and psychosis during estradiol treatment. The ratio between allopregnanolone and progesterone was significantly lower in patients than in healthy controls at baseline and it remained unchanged after symptom remission.Conclusion: Behavioral endophenotypes, rather than categorical diagnoses, of affective disorders were associated with neuroendocrine variation in three different cohorts of patients with affective disorder. Hormonal variation pointed towards an association with trait, rather than state like facets of affective behavior, constituting potential vulnerability markers for affective dysregulation.
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34.
  • Bendix, Marie, et al. (author)
  • Plasma oxytocin and personality traits in psychiatric outpatients
  • 2015
  • In: Psychoneuroendocrinology. - : Elsevier. - 0306-4530 .- 1873-3360. ; 57, s. 102-110
  • Journal article (peer-reviewed)abstract
    • The oxytocin system is regarded as being of relevance for social interaction. In spite of this, very few studies have investigated the relationship between oxytocin and personality traits in clinical psychiatric populations. We assessed the relationship between personality traits and plasma oxytocin levels in a population of 101 medication-free psychiatric outpatients (men = 37, women = 64). We used the Karolinska Scale of Personality (KSP) and diagnostic and symptomatic testing. Plasma oxytocin levels were analysed with a specific radioimmunoassay at inclusion and after one month for testing of stability. Plasma oxytocin levels were stable over time and did not differ between patients with or without personality disorders, nor were they related to severity of depressive or anxiety symptoms. The KSP factors Impulsiveness and Negative Emotionality were significant independent predictors of plasma oxytocin. A subscale analysis of these personality factors showed significant positive correlations between baseline plasma oxytocin and the KSP subscales monotony avoidance and psychic anxiety. The significant association between the KSP factor Impulsiveness and oxytocin levels observed at baseline was observed also one month later in men. These findings suggest that personality traits such as Impulsiveness and Negative emotionality which are linked to social functioning in several psychiatric disorders seem to be associated with endogenous plasma oxytocin levels. These variations in oxytocin levels might have an impact on social sensitivity or social motivation with possible gender differences.
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35.
  • Bergerum, Carolina, 1967- (author)
  • Patient and public involvement in hospital quality improvement interventions : the mechanisms, monitoring and management
  • 2022
  • Doctoral thesis (other academic/artistic)abstract
    • This dissertation focuses on the mechanisms, monitoring and management of patient and public involvement in hospital quality improvement (QI) interventions. Findings from a literature review generated an initial programme theory (PT) on active patient involvement in healthcare QI interventions (Paper 1). Empirical studies were also undertaken in order to describe what was actually happening in the hospital QI teams and what patients and professionals experience influence their joint involvement (Paper 2), and to compare hospital leaders’ and managers’ experiences of managing QI interventions involving patients and the public (Paper 3). Finally, it was studied how patient-reported measures stimulate patient involvement in QI interventions in practice (Paper 4). The research had a qualitative design. The approach was descriptive and comparative, and the studies were carried out prospectively. Data were collected in two hospital organisations in Sweden and in one hospital organisation in the Netherlands. Data collection methods were a literature search (Paper 1), interviews and field observations (Paper 2 and 3) and data collection meetings (Paper 4). Altogether, 93 team meetings and meetings between the team leaders and management were attended and a total of 20 days of study visits with different forms of meetings were made. Twelve patients, 12 healthcare professionals and 17 and 8 hospital leaders and managers, respectively, participated in the interviews and data collection meetings. Realist synthesis was used to formulate the initial PT (Paper 1). Constructivist grounded theory was used to analyse and describe what was happening in the QI teams and how it was experienced by the team members (Paper 2). To compare hospital leaders’ and managers’ different, contextual meanings in Sweden and the Netherlands, the reflexive thematic analysis informed by critical realism was used (Paper 3). To order, manage and map data from 31 examples of local QI interventions associated to patient-reported measures, the framework method was used (Paper 4). The results formulate a generic PT on the mechanisms, monitoring and management perspectives of co-produced QI interventions in hospital services where patients and the public are involved. The PT provides a hypothesis on the various mechanisms at play and outcomes obtained at the different levels of hospital organisations in the process. It is argued that focus should be on experiences, interaction, relationships and dialogue, integration of context, and the matching of hospital resources to patient and public demands and needs. Subsequently, the outcome will be the resources and reasoning interplay resulting in actions and processes, experiences and knowledge, ‘product’ benefits, emotions, judgements and motivations. Monitoring constitutes an important feedback loop to enable such learnings. The PT aligns the perspectives of the clinical microsystem, improvement science and the service-dominant logic, and has a potential to explain how patient and public involvement in QI interventions might work.
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36.
  • Bergerum, Carolina, et al. (author)
  • 'We are data rich but information poor' : how do patient-reported measures stimulate patient involvement in quality improvement interventions in Swedish hospital departments?
  • 2022
  • In: BMJ Open Quality. - : BMJ Publishing Group Ltd. - 2399-6641. ; 11:3
  • Journal article (peer-reviewed)abstract
    • ObjectiveThis study aimed to investigate if and how patient-reported measures from national and local monitoring stimulate patient involvement in hospital quality improvement (QI) interventions. We were also interested in the factors that influence the level and degree of patient involvement in the QI interventions.MethodsThe study used a qualitative, descriptive design. Inspired by the Framework Method, we created a working analytical framework. Four hospital departments participated in the data collection. Collaborating with a QI leader from each department, we identified the monitoring systems for the patient-reported measures that were used to initiate or evaluate QI interventions. Thereafter, the level and degree of patient involvement and the factors that influenced this involvement were analysed for all QI interventions. Data were mapped in an Excel spreadsheet to analyse connections and differences.ResultsDepartments used patient-reported measures from both national and local monitoring systems to initiate or evaluate their QI interventions. Thirty-one QI interventions were identified and analysed. These interventions were mainly conducted at the direct care and organisational levels. By participating in questionnaires, patients were involved to the degree of consultation. Patients were not involved to the degree of partnership and shared leadership for the identified QI interventions.ConclusionsOverall, hospital departments have limited knowledge regarding patient-reported measures and how they are best applied in QI interventions and how they support improvements. Applying patient-reported measures to hospital QI interventions does not enhance patient involvement beyond the degree of consultation.
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37.
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38.
  • Bhatt, Ankeet S., et al. (author)
  • Operational Challenges and Mitigation Measures during the COVID-19 Pandemic-Lessons from DELIVER.
  • 2023
  • In: American heart journal. ; 263, s. 133-140
  • Journal article (peer-reviewed)abstract
    • BACKGROUND: Catastrophic disruptions in care delivery threaten the operational efficiency and potentially the validity of clinical research efforts, in particular randomized clinical trials. Most recently, the COVID-19 pandemic affected essentially all aspects of care delivery and clinical research conduct. While consensus statements and clinical guidance documents have detailed potential mitigation measures, few real- world experiences detailing clinical trial adaptations to the COVID-19 pandemic exist, particularly among, large, global registrational cardiovascular trials. METHODS: We outline the operational impact of COVID-19 and resultant mitigation measures in the Dapagliflozin Evaluation to Improve the LIVEs of Patients with Preserved Ejection Fraction Heart Failure (DELIVER) trial, one of the largest and most globally diverse experiences with COVID-19 of any cardiovascular clinical trial to date. Specifically, we address the needed coordination between academic investigators, trial leadership, clinical sites, and the supporting sponsor to ensure the safety of participants and trial staff, to maintain the fidelity of trial operations, and to prospectively adapt statistical analyses plans to evaluate the impact of COVID-19 and the pandemic at large on trial participants. These discussions included key operational issues such as ensuring delivery of study medications, adaptations to study visits, enhanced COVID-19 related endpoint adjudication, and protocol and analytical plan revisions. CONCLUSION: Our findings may have important implications for establishing consensus on prospective contingency planning in future clinical trials. CLINICALTRIAL: gov: NCT03619213. CLINICALTRIAL: GOV: NCT03619213.
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39.
  • Björkelund, Cecilia, 1948, et al. (author)
  • Effects of adding early cooperation and a work-place dialogue meeting to primary care management for sick-listed patients with stress-related disorders: CO-WORK-CARE-Stress - a pragmatic cluster randomised controlled trial.
  • 2024
  • In: Scandinavian journal of primary health care. - 1502-7724. ; , s. 1-15
  • Journal article (peer-reviewed)abstract
    • To investigate whether intensified cooperation between general practitioner (GP), care manager and rehabilitation coordinator (RC) for patients sick-listed for stress-related mental disorder, combined with a person-centred dialogue meeting with employer, could reduce sick-leave days compared with usual care manager contact.Pragmatic cluster-randomised controlled trial, randomisation at primary care centre (PCC) level.PCCs in Region Västra Götaland, Sweden, with care manager organisation.Of 30 invited PCCs, 28 (93%) accepted the invitation and recruited 258 patients newly sick-listed due to stress-related mental disorder (n=142 intervention, n=116 control PCCs).Cooperation between GP, care manager and rehabilitation coordinator from start of illness notification plus a person-centred dialogue meeting between patient and employer within 3months. Regular contact with care manager was continued at the control PCCs.12-months net and gross number of sick-leave days. Secondary outcomes: Symptoms of stress, depression, anxiety; work ability and health related quality of life (EQ-5D) over 12months.There were no significant differences between intervention and control groups after 12months: days on sick-leave (12-months net sick-leave days, intervention, mean = 110.7days (95% confidence interval (CI) 82.6-138.8); control, mean = 99.1days (95% CI 73.9-124.3)), stress, depression, or anxiety symptoms, work ability or EQ-5D. There were no significant differences between intervention and control groups concerning proportion on sick-leave after 3, 6, 12months. At 3months 64.8% were on sick-leave in intervention group vs 54.3% in control group; 6months 38% vs 32.8%, and12 months 16.9% vs 15.5%.Increased cooperation at the PCC between GP, care manager and RC for stress-related mental disorder coupled with an early workplace contact in the form of a person-centred dialogue meeting does not reduce days of sick-leave or speed up rehabilitation.Trial registration: ClinicalTrials.gov Identifier: NCT03250026 https://clinicaltrials.gov/study/NCT03250026?tab=results#publicationsCO-WORK-CAREFirst Posted: August 15, 2017. Recruitment of PCCs: September 2017. Inclusion of patients from December 2017.
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40.
  • Björkelund, Cecilia, 1948, et al. (author)
  • Rehabilitation cooperation and person-centred dialogue meeting for patients sick-listed for common mental disorders: 12 months follow-up of sick leave days, symptoms of depression, anxiety, stress and work ability - a pragmatic cluster randomised controlled trial from the CO-WORK-CARE project.
  • 2023
  • In: BMJ open. - 2044-6055. ; 13:6
  • Journal article (peer-reviewed)abstract
    • To study whether early and enhanced cooperation within the primary care centres (PCC) combined with workplace cooperation via a person-centred employer dialogue meeting can reduce days on sick leave compared with usual care manager contact for patients on sick leave because of common mental disorders (CMD). Secondary aim: to study lapse of CMD symptoms, perceived Work Ability Index (WAI) and quality of life (QoL) during 12 months.Pragmatic cluster randomised controlled trial, randomisation at PCC level.28 PCCs in Region Västra Götaland, Sweden, with care manager organisation.30 PCCs were invited, 28 (93%) accepted invitation (14 intervention, 14 control) and recruited 341 patients newly sick-listed because of CMD (n=185 at intervention, n=156 at control PCCs).Complex intervention consisting of (1) early cooperation among general practitioner (GP), care manager and a rehabilitation coordinator, plus (2) a person-centred dialogue meeting between patient and employer within 3 months.regular contact with care manager.12 months net and gross number of sick leave days at group level.12 months depression, anxiety, stress symptoms, perceived WAI and QoL (EuroQoL-5 Dimensional, EQ-5D).No significant differences were found between intervention and control groups concerning days of sick leave (intervention net days of sick leave mean 102.48 (SE 13.76) vs control 96.29 (SE 12.38) p=0.73), return to work (HR 0.881, 95%CI 0.688 to 1.128), or CMD symptoms, WAI or EQ-5D after 12 months.It is not possible to speed up CMD patients' return to work or to reduce sick leave time by early and enhanced coordination among GP, care manager and a rehabilitation coordinator, combined with early workplace contact over and above what 'usual' care manager contact during 3 months provides.NCT03250026.
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41.
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42.
  • Bondesson, Elisabeth, et al. (author)
  • Health care utilization among individuals who die by suicide as compared to the general population : a population-based register study in Sweden
  • 2022
  • In: BMC Public Health. - : Springer Science and Business Media LLC. - 1471-2458. ; 22:1
  • Journal article (peer-reviewed)abstract
    • BACKGROUND: Globally, 700 000 people die every year by suicide. Health care consultation patterns the period before suicide could be one potential way to identify people at risk for suicide. Therefore, this study examines health care patterns up to one year prior to the suicide by age, sex and prior diagnoses and specifically investigates if and how this differs from the general population of Skåne, Sweden.METHODS: This cohort study includes all individuals, aged 15 and older, that died by suicide in Region Skåne, Sweden from 2004 to 2015 (n = 1653). The individuals were identified through the Cause of death register and then linked to the Skåne healthcare register. Health care data was analyzed as proportions consulting different types of health care the month and year preceding the suicide, we also investigated the impact of age, sex and the occurrence of prior psychiatric and pain diagnoses. Additionally, we compared the proportion of consulting care among the suicide victims and the general population of Skåne.RESULTS: In the month before their death, 53% of the suicide victims had any health care consultation, compared with 20% in the general population of Skåne, a given month (p < 0.0001). The corresponding figures for the year prior to suicide was 86% among those who died by suicide, compared to 69% in the general population of Skåne, a given year (p < 0.0001). Women, and those having a documented history of psychiatric diagnosis were more likely to have health care consultations in the month and year preceding suicide (p < 0.001), compared to men and suicide victims without a history of psychiatric disease. Older adults that died by suicide, were less likely to consult psychiatric care compared to the younger suicide victims (p < 0.001).CONCLUSION: A majority of the suicide victims consulted health care in the near time before death and the proportion of seeking health care was significantly higher than in the general population of Skåne and higher among female suicide victims as compared to males. Alternative preventive screening measures should be considered for individuals consulting health care, especially for older people and individuals outside the psychiatric care.
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43.
  • Bondesson, Elisabeth, et al. (author)
  • Utilization of healthcare and prescription medicines after non-pharmacological interventions for depression - A 3-year register follow-up of an RCT in primary care
  • 2022
  • In: Preventive Medicine Reports. - : Elsevier. - 2211-3355. ; 25
  • Journal article (peer-reviewed)abstract
    • Depression is a common, recurrent disorder. There is a need for readily available treatments with few negative side effects, that demands little resources and that are effective both in the short- and long term. Our aim was to investigate the long-term effectiveness of two different interventions; physical exercise and internet-based cognitive behavioural therapy (internet-CBT), compared to usual care in patients with mild to moderate depression in a Swedish primary care setting. We performed a register-based 3-year follow-up study of participants in the randomized controlled trial REGASSA (n = 940) using healthcare utilization and dispensed medicines as outcomes. We found no difference between the three groups regarding proportion of participants consulting healthcare due to mental illness or pain during follow-up. Regarding number of consultations, there was no difference between the groups, except for consultations related to pain. For this outcome both treatment arms had significantly fewer consultations compared to usual care, during year 2-3, the risk ratio (RR) for physical exercise and internet-CBT was 0.64 (95% CI = 0.43-0.95) and 0.61 (95% CI = 0.41-0.90), respectively. A significantly lower proportion of patients in both treatment arms were dispensed hypnotics and sedatives year 2-3 compared to the usual care arm, RR for both physical exercise and internet-CBT was 0.72 (95% CI = 0.53-0.98). No other differences between the groups were found. In conclusion, considering long-term effects, both physical exercise and internet-CBT, being resource-efficient treatments, could be considered as appropriate additions for patients with mild to moderate depression in primary care settings.
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44.
  • Butt, Jawad H., et al. (author)
  • Atrial Fibrillation and Dapagliflozin Efficacy in Patients With Preserved or Mildly Reduced Ejection Fraction.
  • 2022
  • In: Journal of the American College of Cardiology. - : Elsevier BV. - 0735-1097. ; 80:18, s. 1705-1717
  • Journal article (peer-reviewed)abstract
    • BACKGROUND: Atrial fibrillation (AF) is common in heart failure (HF), is associated with worse outcomes compared with sinus rhythm, and may modify the effects of therapy. OBJECTIVES: This study examined the effects of dapagliflozin according to the presence or not of AF in the DELIVER (Dapagliflozin Evaluation to Improve the LIVEs of Patients With PReserved Ejection Fraction Heart Failure) trial. METHODS: A total of 6,263 patients with HF with New York Heart Association functional class II-IV, left ventricular ejection fraction $>$40%, evidence of structural heart disease, and elevated N-terminal pro-B-type natriuretic peptide levels were randomized to dapagliflozin or placebo. Clinical outcomes and the effect of dapagliflozin, according to AF status, were examined. The primary outcome was a composite of cardiovascular death or worsening HF. RESULTS: Of the 6,261 patients with data on baseline AF, 43.3% had no AF, 18.0% had paroxysmal AF, and 38.7% had persistent/permanent AF. The risk of the primary endpoint was higher in patients with AF, especially paroxysmal AF, driven by a higher rate of HF hospitalization: no AF, HF hospitalization rate per 100 person-years (4.5 [95% CI: 4.0-5.1]), paroxysmal AF (7.5 [95% CI: 6.4-8.7]), and persistent/permanent AF (6.4 [95% CI: 5.7-7.1]) (P $<$ 0.001). The benefit of dapagliflozin on the primary outcome was consistent across AF types: no AF, HR: 0.89 (95% CI: 0.74-1.08); paroxysmal AF, HR: 0.75 (95% CI: 0.58-0.97); persistent/permanent AF, HR: 0.79 (95% CI: 0.66-0.95) (Pinteraction = 0.49). Consistent effects were observed for HF hospitalization, cardiovascular death, all-cause mortality, and improvement in the KCCQ- TSS. CONCLUSIONS: In DELIVER, the beneficial effects of dapagliflozin compared with placebo on clinical events and symptoms were consistent, irrespective of type of AF at baseline. (Dapagliflozin Evaluation to Improve the LIVEs of Patients With PReserved Ejection Fraction Heart Failure. [DELIVER]; NCT03619213).
  •  
45.
  • Butt, Jawad H., et al. (author)
  • Efficacy and Safety of Dapagliflozin According to Frailty in Patients With Heart Failure : A Prespecified Analysis of the DELIVER Trial.
  • 2022
  • In: Circulation. ; 146:16, s. 1210-1224
  • Journal article (peer-reviewed)abstract
    • BACKGROUND: Frailty is increasing in prevalence. Because patients with frailty are often perceived to have a less favorable risk/benefit profile, they may be less likely to receive new pharmacologic treatments. We investigated the efficacy and tolerability of dapagliflozin according to frailty status in patients with heart failure with mildly reduced or preserved ejection fraction randomized in DELIVER (Dapagliflozin Evaluation to Improve the Lives of Patients With Preserved Ejection Fraction Heart Failure). METHODS: Frailty was measured using the Rockwood cumulative deficit approach. The primary end point was time to a first worsening heart failure event or cardiovascular death. RESULTS: Of the 6263 patients randomized, a frailty index (FI) was calculable in 6258. In total, 2354 (37.6%) patients had class 1 frailty (FI $<$/=0.210; ie, not frail), 2413 (38.6%) had class 2 frailty (FI 0.211-0.310; ie, more frail), and 1491 (23.8%) had class 3 frailty (FI $>$/=0.311; ie, most frail). Greater frailty was associated with a higher rate of the primary end point (per 100 person-years): FI class 1, 6.3 (95% CI 5.7-7.1); class 2, 8.3 (7.5-9.1); and class 3, 13.4 (12.1-14.7; P$<$0.001). The effect of dapagliflozin (as a hazard ratio) on the primary end point from FI class 1 to 3 was 0.85 (95% CI, 0.68-1.06), 0.89 (0.74-1.08), and 0.74 (0.61-0.91), respectively (Pinteraction=0.40). Although patients with a greater degree of frailty had worse Kansas City Cardiomyopathy Questionnaire scores at baseline, their improvement with dapagliflozin was greater than it was in patients with less frailty: placebo-corrected improvement in Kansas City Cardiomyopathy Questionnaire Overall Summary Score at 4 months in FI class 1 was 0.3 (95% CI, -0.9 to 1.4); in class 2, 1.5 (0.3-2.7); and in class 3, 3.4 (1.7-5.1; Pinteraction=0.021). Adverse reactions and treatment discontinuation, although more frequent in patients with a greater degree of frailty, were not more common with dapagliflozin than with placebo irrespective of frailty class. CONCLUSIONS: In DELIVER, frailty was common and associated with worse outcomes. The benefit of dapagliflozin was consistent across the range of frailty studied. The improvement in health-related quality of life with dapagliflozin occurred early and was greater in patients with a higher level of frailty. REGISTRATION: URL: https://www. CLINICALTRIALS: gov; Unique identifier: NCT03619213.
  •  
46.
  • Carlsson, Hanna, 1979, et al. (author)
  • Psoriasin (S100A7) and calgranulin-B (S100A9) induction is dependent on reactive oxygen species and is downregulated by Bcl-2 and antioxidants
  • 2005
  • In: Cancer Biol Ther. ; 4:9, s. 998-1005
  • Journal article (peer-reviewed)abstract
    • S-100 proteins are calcium-binding proteins with important growth regulatory functions. Of these proteins, psoriasin and calgranulin-B have been shown to be highly upregulated in ductal carcinoma in situ (DCIS) of the breast and in psoriasis. The purpose of this study was to further elucidate the functional relevance of the overexpression of these two S-100 proteins in psoriasis and DCIS. We report the induction of both proteins by reactive oxygen species, phorbol ester TPA, and the induction of psoriasin in response to the PI3K inhibitor wortmannin. We also demonstrate that Bcl-2 overexpression represses the induction of psoriasin and calgranulin-B under these different conditions. The same effect was obtained with the antioxidant NAC, which indicates that the suppression of psoriasin and calgranulin-B induction is mediated by the antioxidant function of Bcl-2. Furthermore, we demonstrate that overexpression of a dominant negative IKKbeta also inhibits the induction of psoriasin suggesting that the NFkappaB pathway is involved in the induction of this protein. Also, we found NFkappaB responsive DNA elements in the upstream promoter region of psoriasin. MCF10A cells with a stable retroviral overexpression of psoriasin were significantly more resistant to H2O2-induced cell death than control cells further supporting the hypothesis that these S-100 proteins may play a role in oxidative stress response.
  •  
47.
  • Carlström, Maria, et al. (author)
  • Genetic support for the role of the NLRP3 inflammasome in psoriasis susceptibility
  • 2012
  • In: Experimental dermatology. - : John Wiley and Sons. - 0906-6705 .- 1600-0625. ; 21:12, s. 932-937
  • Journal article (peer-reviewed)abstract
    • NACHT leucine-rich repeat- and PYD-containing (NLRP)3 protein controls the inflammasome by regulating caspase-1 activity and interleukin (IL)-1 beta processing. The contribution of IL-1 beta in the pathogenesis of psoriasis is well recognized. Polymorphisms in NLRP3 and caspase recruitment domaincontaining protein (CARD)8, a negative regulator of caspase-1 activity, have been associated with susceptibility to common inflammatory diseases, such as Crohns disease and rheumatoid arthritis. To investigate the role for genetic variants in the NLRP3 inflammasome in psoriasis susceptibility. In a patient sample comprising 1988 individuals from 491 families and 1002 healthy controls, genotypes for four selected single-nucleotide polymorphisms (SNPs) in NLRP3 (three SNPs) and CARD8 (one SNP) were determined by TaqMan (R) Allelic Discrimination. Using the transmission disequilibrium test (TDT), a significant increase in the transmission of the NLRP3 rs10733113G genotype to a subgroup of patients with more widespread psoriasis was demonstrated (P = 0.015). Using logistic regression analysis in 741 patients with psoriasis and 1002 controls, the CARD8 rs2043211 genotype was significantly different in cases and controls in overall terms [OR 1.3 (1.11.5), P = 0.004] and for both genders. Our data support the hypothesis that the inflammasome plays a role in psoriasis susceptibility.
  •  
48.
  •  
49.
  •  
50.
  • Cunningham, Jonathan W., et al. (author)
  • Dapagliflozin in Patients Recently Hospitalized With Heart Failure and Mildly Reduced or Preserved Ejection Fraction.
  • 2022
  • In: Journal of the American College of Cardiology. - : Elsevier BV. - 0735-1097. ; 80:14, s. 1302-1310
  • Journal article (peer-reviewed)abstract
    • BACKGROUND: Patients recently hospitalized for heart failure (HF) are at high risk for rehospitalization and death. OBJECTIVES: The purpose of this study was to investigate clinical outcomes and response to dapagliflozin in patients with HF with mildly reduced or preserved left ventricular ejection fraction (LVEF) who were enrolled during or following hospitalization. METHODS: The DELIVER (Dapagliflozin Evaluation to Improve the LIVES of Patients With PReserved Ejection Fraction Heart Failure) trial randomized patients with HF and LVEF $>$40% to dapagliflozin or placebo. DELIVER permitted randomization during or shortly after hospitalization for HF in clinically stable patients off intravenous HF therapies. This prespecified analysis investigated whether recent HF hospitalization modified risk of clinical events or response to dapagliflozin. The primary outcome was worsening HF event or cardiovascular death. RESULTS: Of 6,263 patients in DELIVER, 654 (10.4%) were randomized during HF hospitalization or within 30 days of discharge. Recent HF hospitalization was associated with greater risk of the primary outcome after multivariable adjustment (HR: 1.88; 95% CI: 1.60-2.21; P $<$ 0.001). Dapagliflozin reduced the primary outcome by 22% in recently hospitalized patients (HR: 0.78; 95% CI: 0.60-1.03) and 18% in patients without recent hospitalization (HR: 0.82; 95% CI: 0.72-0.94; Pinteraction = 0.71). Rates of adverse events, including volume depletion, diabetic ketoacidosis, or renal events, were similar with dapagliflozin and placebo in recently hospitalized patients. CONCLUSIONS: Dapagliflozin safely reduced risk of worsening HF or cardiovascular death similarly in patients with and without history of recent HF hospitalization. Starting dapagliflozin during or shortly after HF hospitalization in patients with mildly reduced or preserved LVEF appears safe and effective. (Dapagliflozin Evaluation to Improve the LIVEs of Patients With PReserved Ejection Fraction Heart Failure [DELIVER]; NCT03619213).
  •  
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