ArticleCureus2025
Association of Components of Severe Sarcopenia With Cognitive Decline in Older Adults: A Cross-Sectional Study.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background Among the components of sarcopenia, muscle strength and gait speed are strongly associated with cognitive performance, while the role of muscle mass remains unclear, particularly in severe sarcopenia. This study aimed to investigate the association of appendicular skeletal muscle mass (ASM), handgrip strength (HGS), and gait speed (six-meter walk test, 6MWT) with the Hindi version of the Mini-Mental State Examination (HMSE) in older adults with severe sarcopenia. Methodology In this hospital-based, cross-sectional study, 40 adults aged ≥60 years with HMSE scores ≤23 and severe sarcopenia (Asian Working Group for Sarcopenia criteria) were enrolled. Cognitive function was assessed using HMSE. ASM was measured by bioelectrical impedance analysis, HGS with a dynamometer, and gait speed using the 6MWT. The association between components of sarcopenia and HMSE scores was evaluated using Pearson's correlation and multiple regression analyses. Results The mean age of the patients was 67.5 ± 3.39 years, with 70% being males (n = 28). Common comorbidities included hypertension (70%) and diabetes mellitus (50%). The mean HMSE score was 17.8 ± 1.98. ASM (r = 0.33, p = 0.032) and 6MWT (r = 0.51, p < 0.001) positively correlated with HMSE, whereas HGS showed a positive trend (r = 0.28, p = 0.07). In multivariate regression (adjusted), gait speed (β = 0.78, p < 0.001) and HGS (β = 0.40, p = 0.002) were strong predictors of HMSE, while ASM was the weakest predictor (β = 0.25, p = 0.034). Type 2 diabetes mellitus, hypothyroidism, and chronic kidney disease were significant negative predictors. Conclusions In severely sarcopenic older adults, gait speed and HGS are stronger predictors of cognitive decline than muscle mass. Simple assessments of gait and handgrip may help early detection of cognitive decline.
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