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Träfflista för sökning "WFRF:(Karlsson Jan) ;pers:(Mellström Dan 1945)"

Sökning: WFRF:(Karlsson Jan) > Mellström Dan 1945

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1.
  • Haghsheno, Mohammad-Ali, et al. (författare)
  • Low 25-OH Vitamin D Level is Associated with Benign Prostatic Enlargement (BPE).
  • 2013
  • Ingår i: The Journal of urology. - : Ovid Technologies (Wolters Kluwer Health). - 1527-3792 .- 0022-5347. ; 190:2
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: To test the hypothesis that low levels of vitamin D were associated with Benign Prostatic Enlargement (BPE). We also studied whether body composition, sex hormones, serum SHBG, albumin corrected serum calcium, adiponectin and lipid statuses were associated with BPE. MATERIALS AND METHODS: 184 representative randomly selected men aged 72 - 76 years, enrolled in the Gothenburg arm of the MrOs study, were investigated. Men with a medical history of prostate cancer, prostate operation or medication for BPE were excluded leaving 155 men to be analyzed. A cross-sectional study was conducted in which BPE, as measured by the total prostate gland volume, was related to clinical, anthropometric, endocrine and metabolic factors, using univariate and multivariate analyses with regression models. RESULTS: The median prostate volume was 40 ml. In multivariate models only 25-OH vitamin D, albumin corrected serum calcium, serum SHBG and HDL-cholesterol were significantly and inversely associated with large prostate glands. CONCLUSION: The present report adds four independent factors associated with BPE: Low levels of 25-OH vitamin D, serum calcium, SHBG and HDL-cholesterol.
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2.
  • Haghsheno, Mohammad-Ali, et al. (författare)
  • Lower urinary tract symptoms are associated with low levels of serum serotonin, high levels of adiponectin and fasting glucose, and benign prostatic enlargement.
  • 2015
  • Ingår i: Scandinavian journal of urology. - : Medical Journals Sweden AB. - 2168-1813 .- 2168-1805. ; 49:2
  • Tidskriftsartikel (refereegranskat)abstract
    • Abstract Objective. The aim of this study was to test whether lower urinary tract symptoms (LUTS) and urinary incontinence are associated with the metabolic syndrome (MetS). The association between LUTS and benign prostatic enlargement (BPE) was also investigated. Material and methods. A cross-sectional, representative risk factor analysis of LUTS, as measured by the International Prostate Symptom Score (IPSS), and urinary incontinence was conducted. Among 950 representative individuals, aged 69-81 years, the association between clinical, anthropometric, endocrine, metabolic and inflammatory factors on the one hand, as both major and minor aspects of MetS, and LUTS and urinary incontinence, on the other hand, was analysed. The prostate gland volume was measured in a subgroup of 155 randomly selected individuals and the association between LUTS and BPE was estimated. Results. No significant association was found between LUTS or urinary incontinence and the major aspects of the MetS. However, in a multivariate analysis, serum serotonin showed an independent negative correlation with LUTS and with urinary incontinence while fasting serum glucose and serum adiponectin showed a positive correlation with LUTS. Furthermore, in a subgroup of 155 individuals, the prostate gland volume correlated positively with LUTS. Conclusions. The study did not show an association between LUTS or urinary incontinence and the major components of the MetS. However, serum serotonin showed an independent negative correlation with LUTS and with urinary incontinence while fasting serum glucose and serum adiponectin showed a positive correlation with LUTS. The data confirm the general knowledge that BPE may be one of the causative factors of LUTS.
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3.
  • Karlsson, Magnus, et al. (författare)
  • International and ethnic variability of falls in older men
  • 2014
  • Ingår i: Scandinavian journal of public health. - : SAGE Publications. - 1651-1905 .- 1403-4948. ; 42:2, s. 194-200
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims: Fallers and especially recurrent fallers are at high risk for injuries. The aim of this study was to evaluate fall epidemiology in older men with special attention to the influence of age, ethnicity and country of residence. Methods: 10,998 men aged 65 years or above recruited in Hong Kong, the United States (US) and Sweden were evaluated in a cross-sectional retrospective study design. Self-reported falls and fractures for the preceding 12 months were registered through questionnaires. Group comparisons were done by chi-square test or logistic regression. Results: The proportion of fallers among the total population was 16.5% in ages 65-69, 24.8% in ages 80-84 and 43.2% in ages above 90 (P <0.001). The corresponding proportions of recurrent fallers in the same age groups were 6.3%, 10.1% and 18.2%, respectively (P <0.001), and fallers with fractures 1.0%, 2.3% and 9.1%, respectively (P <0.001). The proportion of fallers was highest in the US, intermediate in Sweden and lowest in Hong Kong (in most age groups P <0.05). The proportion of fallers among white men in the US was higher than in white men in Sweden (all comparable age groups P <0.01) but there were no differences in the proportion of fallers in US men with different ethnicity. Conclusions: The proportion of fallers in older men is different in different countries, and data in this study corroborate with the view that society of residence influences fall prevalence more than ethnicity.
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5.
  • Bentmar Holgersson, Magdalena, et al. (författare)
  • Lower prostate cancer risk in Swedish men with the androgen receptor E213 A-allele
  • 2017
  • Ingår i: Cancer Causes & Control. - : Springer Science and Business Media LLC. - 0957-5243 .- 1573-7225. ; 28:3, s. 227-233
  • Tidskriftsartikel (refereegranskat)abstract
    • In a previous population-based study on 3369 European men with self-reported prostate cancer (PCa), it was shown that androgen receptor (AR) haplotype designated H2 was associated with high levels of serum PSA (prostate-specific antigen) concentration, and, at the same time, with low risk for PCa. The aim of this study was to replicate this finding in other cohorts, with registry-based cancer diagnosis. Using data from two population-based cohorts; the Malmo Diet and Cancer Study (MDCS, n = 12,121) and the Swedish Osteoporotic fractures in men study (MrOS, n = 1,120), 628 men with PCa and 1,374 controls were identified and genotyped. PCa data were collected from the Swedish national cancer registry. PCa odds ratios (ORs) and 95% confidence intervals (CIs) were calculated for carriers of the particular AR haplotype, tagged by the rs6624304 T-allele. The 15% of men who were carriers of the AR haplotype H2 had approximately one-third lower risk for PCa diagnosis compared to those with the most common H1 variant (OR 0.65; 95% CI 0.45-0.94; p = 0.021). The same trend, although not statistically significant (OR 0.75; 95% CI 0.47-1.24; p = 0.275), was observed in MrOS Sweden. When both cohorts were merged, an even more significant result was observed (OR 0.68; 95% CI 0.51-0.90; p = 0.008). Swedish men with the variant AR haplotype H2, tagged by rs6624304, have significantly lower risk of PCa compared to those with the more common variant.
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7.
  • Cronholm, Felix, et al. (författare)
  • The fracture predictive ability of a musculoskeletal composite score in old men - data from the MrOs Sweden study
  • 2019
  • Ingår i: BMC Geriatr. - : Springer Science and Business Media LLC. - 1471-2318. ; 19:1
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundDetection of high-risk individuals for fractures are needed. This study assessed whether level of physical activity (PA) and a musculoskeletal composite score could be used as fracture predictive tools, and if the score could predict fractures better than areal bone mineral density (aBMD).MethodsMrOs Sweden is a prospective population-based observational study that at baseline included 3014 men aged 69-81years. We assessed femoral neck bone mineral content (BMC), bone area, aBMD and total body lean mass by dual energy X-ray absorptiometry, calcaneal speed of sound by quantitative ultrasound and hand grip strength by a handheld dynamometer. PA was assessed by the Physical Activity Scale for the Elderly (PASE) questionnaire. We followed the participants until the date of first fracture, death or relocation (median 9.6years). A musculoskeletal composite score was calculated as mean Z-score of the five measured traits. A Cox proportional hazards model was used to analyze the association between the musculoskeletal traits, the composite score and incident fractures (yes/no) during the follow-up period. Data are presented as hazard ratios (HR) with 95% confidence intervals (95% CI) for fracture for a+1 standard deviation (SD) change (+1 Z-score) in the various musculoskeletal traits as well as the composite score. We used a linear regression model to estimate the association between level of PA, measured as PASE-score and the different musculoskeletal traits as well as the composite score.ResultsA+1 SD higher composite score was associated with an incident fracture HR of 0.61 (0.54, 0.69), however not being superior to aBMD in fracture prediction. A+1 SD higher PASE-score was associated with both a higher composite score and lower fracture incidence (HR 0.83 (0.76, 0.90)).ConclusionsThe composite score was similar to femoral neck aBMD in predicting fractures, and also low PA predicted fractures. This highlights the need of randomized controlled trials to evaluate if PA could be used as a fracture preventive strategy.
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8.
  • Ghanei, Iman, et al. (författare)
  • The prevalence and severity of low back pain and associated symptoms in 3,009 old men
  • 2014
  • Ingår i: European spine journal. - : Springer Science and Business Media LLC. - 0940-6719 .- 1432-0932. ; 23:4, s. 814-820
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study is to evaluate the prevalence and severity of low back pain (LBP) and the influence of sciatica and neurological deficits in old men. Mister osteoporosis Sweden includes 3,014 community-dwelling men aged 69-81 years. At study start 3,009 participants answered questions on LBP, low back pain and sciatica (LBP + SCI) or low back pain and sciatica with associated neurological deficits (LBP + SCI + NEU) during the preceding 12 months. Data are presented as proportions or medians with mid-quartile ranges. Differences between groups were tested by chi(2) test and Kruskall-Wallis test. 24 % had experienced LBP without SCI, 8 % LBP + SCI and 14 % LBP + SCI + NEU. 10 % of the men with LBP, 22 % of those with LBP + SCI, and 36 % of those with LBP + SCI + NEU rated the pain as severe (p < 0.001). 23 % of the men with LBP, 31 % of those with LBP + SCI and 50 % of those with LBP + SCI + NEU reported limitation in activity of daily living (ADL) (p < 0.001). Men with only LBP had to restrict their activities for 7 days (3-14), those with LBP + SCI 6 days (2-14) and those with LBP + SCI + NEU 10 days (3-30) (p < 0.05). The 1-year prevalence of LBP in community living men aged 69-81 years was close to 50 % but for individuals with LBP or LBP + SCI the morbidity was low with more than two-thirds having no limitations in ADL. In men with LBP + SCI + NEU more than one-third rated the pain as severe and close to half had limitations in ADL.
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9.
  • Hammarsten, J, et al. (författare)
  • Insulin and free oestradiol are independent risk factors for benign prostatic hyperplasia.
  • 2009
  • Ingår i: Prostate cancer and prostatic diseases. - : Springer Science and Business Media LLC. - 1476-5608 .- 1365-7852. ; 12:2, s. 160-5
  • Tidskriftsartikel (refereegranskat)abstract
    • The aetiology of benign prostatic hyperplasia (BPH) remains unclear. The objective of the present study was to test the insulin, oestradiol and metabolic syndrome hypotheses as promoters of BPH. The design was a risk factor analysis of BPH in which the total prostate gland volume was related to endocrine and anthropometric factors. The participants studied were 184 representative men, aged 72-76 years, residing in Göteborg, Sweden. Using a multivariate analysis, BPH as measured by the total prostate gland volume correlated statistically significantly with fasting serum insulin (beta=0.200, P=0.028), free oestradiol (beta=0.233, P=0.008) and lean body mass (beta=0.257, P=0.034). Insulin and free oestradiol appear to be independent risk factors for BPH, confirming both the insulin and the oestradiol hypotheses. Our findings also seem to confirm the metabolic syndrome hypothesis. The metabolic syndrome and its major endocrine aberration, hyperinsulinaemia, are possible primary events in BPH.
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10.
  • Karlsson, Magnus, et al. (författare)
  • Inferior physical performance tests in 10,998 men in the MrOS study is associated with recurrent falls
  • 2012
  • Ingår i: Age and Ageing. - : Oxford University Press (OUP). - 0002-0729 .- 1468-2834. ; 41:6, s. 740-746
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: recurrent fallers are at especially high risk for injuries. Objective: to study whether tests of physical performance are associated with recurrent falls. Subjects: a total of 10,998 men aged 65 years or above. Methods: questionnaires evaluated falls sustained 12 months preceding testing of grip strength, timed stand, 6-m walk and 20-cm narrow walk test. Means with 95% confidence interval (95% CI) are reported. P < 0.01 is a statistically significant difference. Results: in comparison to both occasional fallers and non-fallers, recurrent fallers performed more poorly on all the physical ability tests (all P < 0.001). A score below -2 standard deviations (SDs) in the right-hand grip strength test was associated with an odds ratio of 2.4 (95% CI 1.7, 3.4) for having had recurrent falls compared with having had no fall and of 2.0 (95% CI 1.3, 3.4) for having had recurrent falls compared with having had an occasional fall. Conclusion: low performance in physical ability tests are in elderly men associated with recurrent falls.
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