Age and ageing · 2012
Sarcopenia and cognitive impairment in elderly women: results from the EPIDOS cohort.
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Abellan van Kan Gabor, Cesari Matteo, Gillette-Guyonnet Sophie, Dupuy Charlotte, Nourhashémi Fati, Schott Anne-Marie, Beauchet Olivier, Annweiler Cédric, Vellas Bruno, Rolland Yves
Аннотация
BACKGROUND: common pathophysiological pathways are shared between age-related body composition changes and cognitive impairment.
OBJECTIVE: evaluate whether current operative sarcopenia definitions are associated with cognition in community-dwelling older women.
DESIGN: cross-sectional analyses.
SUBJECTS: a total of 3,025 women aged 75 years and older.
MEASUREMENTS: body composition (assessed by dual energy X-ray absorptiometry) and cognition (measured by short portable mental status questionnaire) were obtained in all participants. Multivariate logistic regression models assessed the association of six operative definitions of sarcopenia with cognitive impairment. Gait speed (GS, measured over a 6-meter track at usual pace) and handgrip strength (HG, measured by a hand-held dynamometer) were considered additional factors of interest.
RESULTS: a total of 492 (16.3%) women were cognitively impaired. The prevalence of sarcopenia ranged from 3.3 to 18.8%. No sarcopenia definition was associated with cognitive impairment after controlling for potential confounders. To proof consistency, the analyses were performed using GS and HG, two well-established predictors of cognitive impairment. Low GS [odds ratio (OR) 2.42, 95% confidence interval (CI) 1.72-3.40] and low HG (OR: 1.81, 95% CI: 1.33-2.46) were associated with cognitive impairment.
CONCLUSION: no significant association was evidenced between different operative sarcopenia definitions and cognitive impairment. The study suggests that the association between physical performance and cognitive impairment in not mediated by sarcopenia.
OBJECTIVE: evaluate whether current operative sarcopenia definitions are associated with cognition in community-dwelling older women.
DESIGN: cross-sectional analyses.
SUBJECTS: a total of 3,025 women aged 75 years and older.
MEASUREMENTS: body composition (assessed by dual energy X-ray absorptiometry) and cognition (measured by short portable mental status questionnaire) were obtained in all participants. Multivariate logistic regression models assessed the association of six operative definitions of sarcopenia with cognitive impairment. Gait speed (GS, measured over a 6-meter track at usual pace) and handgrip strength (HG, measured by a hand-held dynamometer) were considered additional factors of interest.
RESULTS: a total of 492 (16.3%) women were cognitively impaired. The prevalence of sarcopenia ranged from 3.3 to 18.8%. No sarcopenia definition was associated with cognitive impairment after controlling for potential confounders. To proof consistency, the analyses were performed using GS and HG, two well-established predictors of cognitive impairment. Low GS [odds ratio (OR) 2.42, 95% confidence interval (CI) 1.72-3.40] and low HG (OR: 1.81, 95% CI: 1.33-2.46) were associated with cognitive impairment.
CONCLUSION: no significant association was evidenced between different operative sarcopenia definitions and cognitive impairment. The study suggests that the association between physical performance and cognitive impairment in not mediated by sarcopenia.
Предметные рубрики MeSH
Absorptiometry, PhotonAge FactorsAgedAged, 80 and overAgingBody CompositionChi-Square DistributionCognitionCognition DisordersCross-Sectional StudiesFemaleFranceGaitGeriatric AssessmentHand StrengthHumansIndependent LivingLogistic ModelsMultivariate AnalysisMuscle Strength DynamometerNeuropsychological TestsOdds RatioPrevalenceRisk FactorsSarcopeniaSex FactorsSurveys and Questionnaires