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Sökning: WFRF:(Finn Joseph D.)

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61.
  • Tournoy, Jos, et al. (författare)
  • Association of cognitive performance with the metabolic syndrome and with glycaemia in middle-aged and older European men: the European Male Ageing Study
  • 2010
  • Ingår i: Diabetes/Metabolism Research & Reviews. - : Wiley. - 1520-7552. ; 26:8, s. 668-676
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and aims Metabolic syndrome has been reported to have adverse effects on cognition although the results are conflicting. We investigated the association between metabolic syndrome and cognitive function in a population sample of middle-aged and older European men and whether any observed association could be explained by lifestyle or other confounding factors. Methods A total of 3369 men in the 40-to 79-year age group were recruited from population registers in eight centres for participation in the European Male Ageing Study. The subjects completed a questionnaire instrument and several cognitive function tests including the Rey-Osterrieth Complex Figure test, the Camden Topographical Recognition Memory test and the Digit Symbol Substitution Test. Metabolic syndrome data were assessed at an invited visit and metabolic syndrome was defined by the National Cholesterol Education Program's Adult Treatment Panel-III criteria. Associations between cognitive performance and metabolic syndrome were explored using linear regression. Results Complete cognitive and metabolic syndrome data from 3152 subjects were included in the analysis, of whom 1007 (32%) fulfilled criteria for metabolic syndrome. After adjustment for putative health and lifestyle con-founders, no significant associations were found between any of the cognitive function scores and metabolic syndrome or between cognitive performance and high-sensitivity C-reactive protein. Analysis of the individual metabolic syndrome factors, however, revealed an inverse association between the level of glucose and cognitive performance. Conclusions Metabolic syndrome was not associated with cognitive impairment in this population. Of the individual components of the syndrome, diabetes was associated with poorer performances in memory, executive functions and processing speed, associations that warrant further investigation. Copyright (C) 2010 John Wiley & Sons, Ltd.
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62.
  • Vanderschueren, Dirk, et al. (författare)
  • Active Vitamin D (1,25-Dihydroxyvitamin D) and Bone Health in Middle-Aged and Elderly Men: The European Male Aging Study (EMAS).
  • 2013
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 98:3, s. 995-1005
  • Tidskriftsartikel (refereegranskat)abstract
    • Context:There is little information on the potential impact of serum 1,25-dihydroxyvitamin D [1,25(OH)(2)D] on bone health including turnover.Objective:The objective of the study was to determine the influence of 1,25(OH)(2)D and 25-hydroxyvitamin D [25(OH)D] on bone health in middle-aged and older European men.Design, Setting, and Participants:Men aged 40-79 years were recruited from population registers in 8 European centers. Subjects completed questionnaires that included questions concerning lifestyle and were invited to attend for quantitative ultrasound (QUS) of the heel, assessment of height and weight, and a fasting blood sample from which 1,25(OH)(2)D, 25(OH)D, and PTH were measured. 1,25(OH)(2)D was measured using liquid chromatography tandem mass spectrometry. Bone markers serum N-terminal propeptide of type 1 procollagen (P1NP) and crosslinks (β-cTX) were also measured. Dual-energy x-ray absorptiometry (DXA) of the hip and lumbar spine was performed in 2 centers.Main Outcome Measure(s):QUS of the heel, bone markers P1NP and β-cTX, and DXA of the hip and lumbar spine were measured.Results:A total of 2783 men, mean age 60.0 years (SD 11.0) were included in the analysis. After adjustment for age and center, 1,25(OH)(2)D was positively associated with 25(OH)D but not with PTH. 25(OH)D was negatively associated with PTH. After adjustment for age, center, height, weight, lifestyle factors, and season, 1,25(OH)(2)D was associated negatively with QUS and DXA parameters and associated positively with β-cTX. 1,25(OH)(2)D was not correlated with P1NP. 25(OH)D was positively associated with the QUS and DXA parameters but not related to either bone turnover marker. Subjects with both high 1,25(OH)(2)D (upper tertile) and low 25(OH)D (lower tertile) had the lowest QUS and DXA parameters and the highest β-cTX levels.Conclusions:Serum 1,25(OH)(2)D is associated with higher bone turnover and poorer bone health despite being positively related to 25(OH)D. A combination of high 1,25(OH)(2)D and low 25(OH)D is associated with the poorest bone health.
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63.
  • Wade, Katie Fredrika, et al. (författare)
  • Chronic widespread pain is associated with worsening frailty in European men.
  • 2016
  • Ingår i: Age and Ageing. - : Oxford University Press (OUP). - 1468-2834 .- 0002-0729. ; 45:2, s. 268-274
  • Tidskriftsartikel (refereegranskat)abstract
    • we hypothesised that chronic widespread pain (CWP), by acting as a potential stressor, may predispose to the development of, or worsening, frailty.
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64.
  • Wu, Frederick C W, et al. (författare)
  • Hypothalamic-pituitary-testicular axis disruptions in older men are differentially linked to age and modifiable risk factors: The European Male Aging Study
  • 2008
  • Ingår i: Journal of Clinical Endocrinology and Metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 93:7, s. 2737-2745
  • Tidskriftsartikel (refereegranskat)abstract
    • CONTEXT The cause of declining testosterone (T) in aging men and their relationships with risk factors are unclear. OBJECTIVE To investigate the relationships between lifestyle and health with reproductive hormones in aging men. DESIGN Baseline cross-sectional survey on 3200 community - dwelling men aged 40 - 79 yr from a prospective cohort study in 8 European countries. RESULTS Four predictors were associated with distinct modes of altered function:- Age: lower free T (FT) (-3.12 pmol/L/ yr, p<0.001) with raised luteinizing hormone (LH) suggesting impaired testicular function. Obesity: lower total T (TT) (-2.32 nmol/L) and FT (-17.60 pmol/L) for BMI >/=25 - <30 kg/m(2) and lower TT (-5.09 nmol/L,) and FT (-53.72 pmol/L) for BMI >/=30 kg/m(2) (p <0.001 - 0.01, referent: BMI <25 kg/m(2)) with unchanged/decreased LH, indicating hypothalamus/pituitary dysfunction. Co-morbidity: lower TT (-0.80 nmol/L, p <0.01) with unchanged LH in younger men but higher LH in older men. Smoking: higher sex hormone binding globulin (SHBG) (5.96 nmol/L, p <0.001) and LH (0.77 U/L, p <0.01) with increased TT (1.31 nmol/L, p<0.001) but not FT, compatible with a resetting of T-LH negative feedback due to elevated SHBG. CONCLUSIONS Complex multiple alterations in the hypothalamic-pituitary-testicular axis function exist in ageing men against a background of progressive age-related testicular impairment. These changes are differentially linked to specific risk factors. Some risk factors operate independently of but others interact with age, in contributing to the T decline. These potentially modifiable risk factors suggest possible preventative measures to maintain T during in aging men.
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65.
  • Wu, Frederick C. W., et al. (författare)
  • Identification of Late-Onset Hypogonadism in Middle-Aged and Elderly Men
  • 2010
  • Ingår i: New England Journal of Medicine. - 0028-4793 .- 1533-4406. ; 363:2, s. 123-135
  • Konferensbidrag (refereegranskat)abstract
    • BACKGROUND The association between aging-related testosterone deficiency and late-onset hypogonadism in men remains a controversial concept. We sought evidence-based criteria for identifying late-onset hypogonadism in the general population on the basis of an association between symptoms and a low testosterone level. METHODS We surveyed a random population sample of 3369 men between the ages of 40 and 79 years at eight European centers. Using questionnaires, we collected data with regard to the subjects' general, sexual, physical, and psychological health. Levels of total testosterone were measured in morning blood samples by mass spectrometry, and free testosterone levels were calculated with the use of Vermeulen's formula. Data were randomly split into separate training and validation sets for confirmatory analyses. RESULTS In the training set, symptoms of poor morning erection, low sexual desire, erectile dysfunction, inability to perform vigorous activity, depression, and fatigue were significantly related to the testosterone level. Increased probabilities of the three sexual symptoms and limited physical vigor were discernible with decreased testosterone levels (ranges, 8.0 to 13.0 nmol per liter [2.3 to 3.7 ng per milliliter] for total testosterone and 160 to 280 pmol per liter [46 to 81 pg per milliliter] for free testosterone). However, only the three sexual symptoms had a syndromic association with decreased testosterone levels. An inverse relationship between an increasing number of sexual symptoms and a decreasing testosterone level was observed. These relationships were independently confirmed in the validation set, in which the strengths of the association between symptoms and low testosterone levels determined the minimum criteria necessary to identify late-onset hypogonadism. CONCLUSIONS Late-onset hypogonadism can be defined by the presence of at least three sexual symptoms associated with a total testosterone level of less than 11 nmol per liter (3.2 ng per milliliter) and a free testosterone level of less than 220 pmol per liter (64 pg per milliliter).
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