ワカバヤシ ヒデタカ   WAKABAYASHI Hidetaka
  若林 秀隆
   所属   医学部 医学科(東京女子医科大学病院)
   職種   教授・基幹分野長
論文種別 原著
言語種別 英語
査読の有無 査読あり
表題 Prognostic performance of Asian Working Group for Sarcopenia 2025 Constructs for activities of daily living at discharge after stroke: a head-to-head validation.
掲載誌名 正式名:European geriatric medicine
略  称:Eur Geriatr Med
ISSNコード:18787649/18787649
掲載区分国外
巻・号・頁 17(4),pp.2187-2196
著者・共著者 Yoshihiro Yoshimura, Hidetaka Wakabayashi, Ayaka Matsumoto, Fumihiko Nagano, Sayuri Shimazu, Kouki Yoneda
担当区分 2nd著者
発行年月 2026/08
概要 PURPOSE:To compare the prognostic performance of the Asian Working Group for Sarcopenia (AWGS) 2025 diagnostic constructs-specifically height- versus body mass index (BMI)-indexed muscle mass-for discriminating functional outcomes in patients with stroke.METHODS:From a cohort of 1246 consecutive post-acute stroke admissions, we analyzed 864 inpatients (median age 76 years; 47.2% women) who met the inclusion criteria. Sarcopenia was classified according to AWGS 2025 criteria: possible sarcopenia (low handgrip strength) and confirmed sarcopenia (low strength plus low skeletal muscle mass). Skeletal muscle mass was indexed by height-squared (SMI/height2) and BMI (SMI/BMI). Multivariable linear regression analysis, stratified by age (50-64 vs. ≥ 65 years) and sex, assessed the associations with the Functional Independence Measure motor subscale (FIM-motor) at discharge.RESULTS:Confirmed sarcopenia defined by SMI/height2 was independently and consistently associated with lower discharge FIM-motor scores across all age and sex strata (men ≥ 65 years: B - 3.51, P = 0.038; women ≥ 65 years: B - 3.08, P = 0.024; men 50-64 years: B - 4.59, P = 0.044; women 50-64 years: B - 9.19, P = 0.045). In contrast, SMI/BMI-based definitions showed poor prognostic utility, with no significant associations in men. Possible sarcopenia demonstrated limited, inconsistent associations.CONCLUSION:AWGS 2025 confirmed sarcopenia utilizing height-indexed muscle mass provided superior prognostic discrimination for discharge ADL compared with BMI-indexed or possible sarcopenia constructs in post-stroke inpatients. These findings support prioritizing height-indexed confirmed sarcopenia for functional risk stratification in this setting.
DOI 10.1007/s41999-026-01554-3
PMID 42412390