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Sökning: AMNE:(MEDICIN OCH HÄLSOVETENSKAP) AMNE:(Klinisk medicin) AMNE:(Dermatologi och venereologi) > (2015-2019)

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1.
  • Decker, Ralph, 1968, et al. (författare)
  • Case report of a girl with secondary amenorrhea associated with aurantiasis cutis
  • 2016
  • Ingår i: Hormone Research in Paediatrics. - : S. Karger AG. - 1663-2818 .- 1663-2826.
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • Introduction: --- Aurantiasis cutis is a condition of yellowish or golden skin discoloration that can result from eating excessive amounts of foods containing carotene leading to hypercarotenemia(1), described causing secondary amenorrhea(2). Objective & hypothesis: --- Hypercarotenemia can cause secondary amenorrhea without overconsumption of excessive quantities of carotene. Results: --- Laboratory tests showed a ß-Carotene level more than the 2-fold above the upper reference level. Hyperbilirubinemia could be excluded. Hypogonadotropic hypogonadism was not present. There was no evidence for adrenal dysfunction. Liver function tests were normal. Material/ Methods: --- A 16-year-old girl presented to our endocrine outpatient clinic with a 2-year history of varying yellow discoloration of her skin and secondary amenorrhea. The findings of the general physical examination were normal, but there was a marked yellow discoloration of the palms, soles, and nasolabial folds. A dietary history revealed a low carotene diet, but also a low carbohydrate diet. BMI was 19.9 kg/m² (-0.2 SDS) without signs of anorexia. Discussion: --- In this girl we observed hypercarotenemia associated with secondary nonhypothalamic amenorrhea in absence of excess external intake of carotenes. This suggests an intrinsic reason due to a polymorphism(3) in ß-carotene 15,15'-monooxygenase (BCO)(4), an enzyme breaking down carotenes to vitamin A(5). Phenotype-genotype association studies are needed to confirm this hypothesis. Conclusion: --- Secondary non-hypothalamic amenorrhea can be associated with hypercarotenemia. References: --- 1. Tanikawa K, Seta K, Machii A, Itoh S 1961 [Aurantiasis cutis due to overeating of dried laver (nori): a case report]. Jpn J Med Sci Biol 50:414-419 2. Kemmann E, Pasquale SA, Skaf R 1983 Amenorrhea associated with carotenemia. JAMA 249:926-929 3. Leung WC, Hessel S, Meplan C, Flint J, Oberhauser V, Tourniaire F, Hesketh JE, von Lintig J, Lietz G 2009 Two common single nucleotide polymorphisms in the gene encoding beta-carotene 15,15'-monoxygenase alter beta-carotene metabolism in female volunteers. FASEB j 23:1041-1053 4. Frumar AM, Meldrum DR, Judd HL 1979 Hypercarotenemia in hypothalamic amenorrhea. Fertil Steril 32:261-264 5. Lindqvist A, Andersson S 2002 Biochemical properties of purified recombinant human beta-carotene 15,15'-monooxygenase. J Biol Chem 277:23942-23948
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2.
  • Kjölhede, P., et al. (författare)
  • Individualized treatment for ovarian cancer may become possible
  • 2015
  • Ingår i: Läkartidningen. - 0023-7205. ; 112
  • Tidskriftsartikel (refereegranskat)abstract
    • Epithelial ovarian cancer (EOC) is the most lethal gynecologic malignancy in developed countries. Several promising steps toward individualized therapy have been taken recently due to increased knowledge of molecular biology. Multidisciplinary conferences for treatment planning and the centralization to tertiary surgical centers improve quality of surgery and survival. The primary treatment of EOC is radical surgery followed by adjuvant chemotherapy with carboplatin and paclitaxel. Bevacizumab added to the chemotherapy and used as maintenance treatment is standard in the primary treatment of patients with residual tumor or inoperable patients. The PARP inhibitor olaparib is recommended as maintenance treatment of women with platinum sensitive relapsed BRCA mutated high-grade serous EOC who have responded to platinum-based chemotherapy. BRCA testing should be offered to women with EOC. In platinum-resistant recurrence addition of bevacizumab to chemotherapy should be considered.
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3.
  • Gunningberg, Lena, et al. (författare)
  • Pressure ulcer knowledge of registered nurses, assistant nurses and student nurses : a descriptive, comparative multicentre study in Sweden
  • 2015
  • Ingår i: International Wound Journal. - : Wiley. - 1742-4801 .- 1742-481X. ; 12:4, s. 462-468
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study was to describe and compare the knowledge of registered nurses (RNs), assistant nurses (ANs) and student nurses (SNs) about preventing pressure ulcers (PUs). PU prevention behaviours in the clinical practice of RNs and ANs were also explored. A descriptive, comparative multicentre study was performed. Hospital wards and universities from four Swedish county councils participated. In total, 415 participants (RN, AN and SN) completed the Pressure Ulcer Knowledge Assessment Tool. The mean knowledge score for the sample was 58·9%. The highest scores were found in the themes 'nutrition' (83·1%) and 'risk assessment' (75·7%). The lowest scores were found in the themes 'reduction in the amount of pressure and shear' (47·5%) and 'classification and observation' (55·5%). RNs and SNs had higher scores than ANs on 'aetiology and causes'. SNs had higher scores than RNs and ANs on 'nutrition'. It has been concluded that there is a knowledge deficit in PU prevention among nursing staff in Sweden. A major educational campaign needs to be undertaken both in hospital settings and in nursing education.
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4.
  • Sato, Yuki, et al. (författare)
  • Asthma and atopic diseases in adolescence and antidepressant medication in middle age
  • 2018
  • Ingår i: Journal of Health Psychology. - London, United Kingdom : Sage Publications. - 1359-1053 .- 1461-7277. ; 23:6, s. 853-859
  • Tidskriftsartikel (refereegranskat)abstract
    • This Swedish register-based cohort study examined whether asthma, hay fever and allergic dermatitis in late adolescence identified in the early 1970s are associated with antidepressant medication in middle age, between 2006 and 2009. After adjustment for childhood and adulthood sociodemographic characteristics, psychological, cognitive and physical function, and comorbidity, the magnitude of the associations diminished for asthma, while hay fever and atopic dermatitis retained associations. Hay fever and atopic dermatitis in adolescence have potentially important implications for future mental health, while asthma may already have influenced an individual's ability to cope with stress by late adolescence.
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5.
  • Gaele, Kirk, et al. (författare)
  • Evaluating equality in psoriasis healthcare : a cohort study of the impact of age on prescription biologics
  • 2016
  • Ingår i: British Journal of Dermatology. - : Oxford University Press (OUP). - 0007-0963 .- 1365-2133. ; 174:3, s. 579-587
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND:Inequality in healthcare has been identified in many contexts. To the best of our knowledge, this is the first study investigating age inequity in the form of prescription patterns of biologics in psoriasis care.OBJECTIVE:To determine whether psoriasis patients have equitable opportunities to receive biologic medications as they age. If patients do not receive equitable treatment, a subsequent objective is to determine the magnitude of the disparity.METHODS:A cohort of biologic-naïve psoriasis patients were analysed using Cox proportional hazard models to measure the impact of each additional year of life on the likelihood of initiating biologic treatment, after controlling for sex, body mass index, comorbidities, disease activity, and education level. A supporting analysis used a non-parametric graphical method to study the proportion of patients initiating biologic treatment as age increases, after controlling for the same covariates.RESULTS:The Cox proportional hazards model results in a hazard ratio of a one year increase in age of 0.963 to 0.969 depending on calendar year stratification, which implies that an increase in age of 30 years corresponds to a reduced likelihood of initiating biologic treatment by 61.3-67.6%. The estimated proportion of patients initiating biologic medication is always decreasing as age increases, at a statistically significant level.CONCLUSIONS:Psoriasis patients have fewer opportunities to access biologic medications as they age. This result was shown to be applicable at all stages in a patient's life course and was not only restricted to the elderly, although it implies greater disparities as the age difference between patients increases. These results show that inequity in access to biologic treatments due to age is prevalent in clinical practice today. Further research is needed to investigate the extent to which this result is influenced by patient preferences. 
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6.
  • Hägerlind, E., et al. (författare)
  • Near infrared and skin impedance spectroscopy : a possible support in the diagnostic process of skin tumours in primary health care
  • 2015
  • Ingår i: Skin research and technology. - : John Wiley & Sons. - 0909-752X .- 1600-0846. ; 21:4, s. 493-499
  • Tidskriftsartikel (refereegranskat)abstract
    • Background/purpose: The global incidence of skin cancer has increased drastically in recent decades, especially in Australia and Northern Europe. Early detection is crucial for good prognosis and high survival rates. In general, primary care physicians have considerably lower sensitivity and specificity rates for detection of skin cancer, compared to dermatologists. A probable main reason for this is that current diagnostic tools are subjective in nature, and therefore diagnostic skills highly depend on experience. Illustratively, in Sweden, approximately 155500 benign skin lesions are excised unnecessarily every year. An objective instrument, added to the clinical examination, might improve the diagnostic accuracy, and thus promote earlier detection of malignant skin tumours, as well as reduce medical costs associated with unnecessary biopsies and excisions. The general aim of this study was to investigate the usefulness of the combination of near infrared (NIR) and skin impedance spectroscopy as a supportive tool in the diagnosis and evaluation of skin tumours in primary health care.Methods: Near infrared and skin impedance data were collected by performing measurements on suspect malignant, premalignant and benign tumours in the skin of patients seeking primary health care for skin tumour evaluation. The obtained data were analysed using multivariate analysis and compared with the diagnosis received by the conventional diagnostic process.Results: The observed sensitivity and specificity rates were both 100%, when discriminating malignant and premalignant skin tumours from benign skin tumours, and the observed sensitivity and specificity for separating malignant skin tumours from premalignant and benign skin tumours were also 100%, respectively.Conclusion: The results of this study indicate that the NIR and skin impedance spectroscopy may be a useful supportive tool for the general practitioner in the diagnosis and evaluation of skin tumours in primary health care, as a complement to the visual assessment.
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7.
  • zenci, V., et al. (författare)
  • Estimated burden of fungal infections in Sweden
  • 2019
  • Ingår i: Mycoses. - : Wiley. - 0933-7407 .- 1439-0507. ; 62:11, s. 1043-1048
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study was to estimate the annual burden of fungal infections in Sweden using data mainly from 2016. Data on specific populations were obtained from Swedish national data registries. Annual incidence and prevalence of fungal disease was calculated based on epidemiological studies. Data on infections due to Cryptococcus sp., Mucorales, Histoplasma capsulatum, Coccidioides immitis and Pneumocystis jirovecii were retrieved from Karolinska University Laboratory and covers only 25% of Swedish population. In 2016, the population of Sweden was 9 995 153 (49.8% female). The overall burden of fungal infections was 1 713 385 (17 142/100 000). Superficial fungal infections affect 1 429 307 people (1429/100 000) based on Global Burden of Disease 14.3% prevalence. Total serious fungal infection burden was 284 174 (2843/100 000) in 2016. Recurrent Candida vulvovaginitis is common; assuming a 6% prevalence in women. Prevalence of allergic bronchopulmonary aspergillosis and severe asthma with fungal sensitisation were estimated to be 20 095 and 26 387, respectively. Similarly, chronic pulmonary aspergillosis was estimated to affect 490 patients after tuberculosis, sarcoidosis and other conditions. Candidemia incidence was estimated to be 500 in 2016 (4.7/100 000) and invasive aspergillosis 295 (3.0/100 000). In Stockholm area, Mucorales were reported in three patients in 2015, while Cryptococcus spp. were reported in two patients. In 2016, there were 297 patients PCR positive for P jirovecii. The present study shows that the overall burden of fungal infections in Sweden is high and affects 17% of the population. The morbidity, mortality and the healthcare‐related costs due to fungal infections warrant further studies.
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8.
  • Muth, Andreas, 1974, et al. (författare)
  • Genetic testing and surveillance guidelines in hereditary pheochromocytoma and paraganglioma
  • 2019
  • Ingår i: Journal of Internal Medicine. - : Wiley. - 0954-6820 .- 1365-2796. ; 285:2, s. 187-204
  • Tidskriftsartikel (refereegranskat)abstract
    • Pheochromocytoma and paraganglioma (PPGL) are rare tumours and at least 30% are part of hereditary syndromes. Approximately 20% of hereditary PPGL are caused by pathogenic germ line variants in genes of the succinate dehydrogenase complex (SDHx), TMEM127 or MAX. Herein we present guidelines regarding genetic testing of family members and their surveillance based on a thorough literature review. All cases of PPGL are recommended genetic testing for germ line variants regardless of patient and family characteristics. At minimum, FH, NF1, RET, SDHB, SDHD and VHL should be tested. In addition, testing of MEN1, SDHA, SDHAF2, SDHC, TMEM127 and MAX is recommended. Healthy first-degree relatives (and second-degree relatives in the case of SDHD and SDHAF2 which are maternally imprinted) should be offered carrier testing. Carriers of pathogenic variants should be offered surveillance with annual biochemical measurements of methoxy-catecholamines and bi-annual rapid whole-body magnetic resonance imaging and clinical examination. Surveillance should start 5 years before the earliest age of onset in the family and thus only children eligible for surveillance should be offered pre-symptomatic genetic testing. The surveillance of children younger than 15 years needs to be individually designed. Our guidelines will provide a framework for patient management with the possibility to follow outcome via national registries and/or follow-up studies. Together with improved insights into the disease, this may enable optimisation of the surveillance scheme in order to minimise both anxiety and medical complications while ensuring early disease detection.
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9.
  • Malm, Kerstin, 1960-, et al. (författare)
  • Analytical evaluation of nine serological assays for diagnosis of syphilis
  • 2015
  • Ingår i: Journal of the European Academy of Dermatology and Venereology. - : Wiley-Blackwell. - 0926-9959 .- 1468-3083. ; 29:12, s. 2369-2376
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The diagnosis of syphilis is most frequently dependent on antibody detection with serological assays. Assays for both treponemal and non-treponemal antibodies are needed to provide a sensitive and specific diagnosis. For decades, a first screening has been done with non-treponemal assays, followed by treponemal. However, in recent years, following laboratory automation, the reverse sequence screening algorithms have been developed, using a treponemal assay as the initial screening test.Objective: To evaluate serological assays for treponemal and non-treponemal antibodies, to use in reverse algorithm screening of syphilis.Material and methods: Six treponemal assays (one IgM-specific assay), two non-treponemal assays and one novel dual point-of-care (POC) assay for serological diagnosis of syphilis were evaluated. Serum samples from Guinea-Bissau and Sweden were examined, as well as two performance panels and samples from blood donors. Sensitivity and specificity were calculated for each assay, using different assays as gold standard test.Results: The Macro-Vue RPR Card test was the most sensitive non-treponemal test and the TrepSure Anti-Treponema EIA Screen and the SeroDia TP-PA were the most sensitive and specific treponemal assays. Among the automated assays, both the Liaison Treponema Screen and Architect Syphilis TP showed high sensitivity, however, the former had clearly higher specificity.Conclusions: In resourced settings, where the reverse sequence algorithm is preferred for screening, an automated treponemal immunoassay for initial screening subsequently followed by the TrepSure test or TP-PA assay as a second treponemal assay appear highly effective. Finally, a quantitative highly sensitive non-treponemal assay, e.g. the Macro-Vue RPR Card test, could then be used as a supplementary test to evaluate activity of the syphilis infection.
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10.
  • Haenssle, H A, et al. (författare)
  • Man against machine: diagnostic performance of a deep learning convolutional neural network for dermoscopic melanoma recognition in comparison to 58 dermatologists.
  • 2018
  • Ingår i: Annals of Oncology. - : Elsevier BV. - 1569-8041 .- 0923-7534. ; 29:8, s. 1836-1842
  • Tidskriftsartikel (refereegranskat)abstract
    • Deep learning convolutional neural networks (CNN) may facilitate melanoma detection, but data comparing a CNN's diagnostic performance to larger groups of dermatologists are lacking.Google's Inception v4 CNN architecture was trained and validated using dermoscopic images and corresponding diagnoses. In a comparative cross-sectional reader study a 100-image test-set was used (level-I: dermoscopy only; level-II: dermoscopy plus clinical information and images). Main outcome measures were sensitivity, specificity and area under the curve (AUC) of receiver operating characteristics (ROC) for diagnostic classification (dichotomous) of lesions by the CNN versus an international group of 58 dermatologists during level-I or -II of the reader study. Secondary end points included the dermatologists' diagnostic performance in their management decisions and differences in the diagnostic performance of dermatologists during level-I and -II of the reader study. Additionally, the CNN's performance was compared with the top-five algorithms of the 2016 International Symposium on Biomedical Imaging (ISBI) challenge.In level-I dermatologists achieved a mean (±standard deviation) sensitivity and specificity for lesion classification of 86.6% (±9.3%) and 71.3% (±11.2%), respectively. More clinical information (level-II) improved the sensitivity to 88.9% (±9.6%, P=0.19) and specificity to 75.7% (±11.7%, P<0.05). The CNN ROC curve revealed a higher specificity of 82.5% when compared with dermatologists in level-I (71.3%, P<0.01) and level-II (75.7%, P<0.01) at their sensitivities of 86.6% and 88.9%, respectively. The CNN ROC AUC was greater than the mean ROC area of dermatologists (0.86 versus 0.79, P<0.01). The CNN scored results close to the top three algorithms of the ISBI 2016 challenge.For the first time we compared a CNN's diagnostic performance with a large international group of 58 dermatologists, including 30 experts. Most dermatologists were outperformed by the CNN. Irrespective of any physicians' experience, they may benefit from assistance by a CNN's image classification.This study was registered at the German Clinical Trial Register (DRKS-Study-ID: DRKS00013570; https://www.drks.de/drks_web/).
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