Risk of sarcopenia among older persons with Type 2 diabetes mellitus with different status of albuminuria: A dose-responsive association

Ching Jen Chang, Chih Hsueh Lin, Hui Min Hsieh, Wen Yann Lo, Yen Hsun Lai, Li Ning Peng*, Liang Kung Chen

*此作品的通信作者

研究成果: Article同行評審

5 引文 斯高帕斯(Scopus)

摘要

Background: The association between type 2 diabetes mellitus (T2DM) and sarcopenia has been reported before, but little was known regarding associations between albuminuria status in the development of sarcopenia. This study aimed to explore the associations between albuminuria status and sarcopenia among older patients with T2DM. Methods: cross-sectional study recruited T2DM patients aged 65 years and older from the DM shared care center in a regional hospital who were grossly absent from functional impairment. Demographic characteristics were collected and functional assessments were performed for all participants. Urinary albumin-to-creatinine ratio (UACR) was obtained by spot urine exams, whereas UACR ≥ 30 mg/g was defined as microalbuminuria, and UACR > 300 mg/g as macroalbuminuria. Appendicular lean mass (ASM) was measured by the dual X-ray absorptiometry, and the relative appendicular muscle mass (RASM) was calculated as the ASM divided by height square (kg/m2).The definition of sarcopenia was made according to the Asian Working Group for Sarcopenia and muscle quality was defined as handgrip strength (kg) divided by RASM. Results: Overall, 180 participants (mean age: 72.5±5.3 years, 53.3% males) were enrolled for study. Higher HbA1c levels and poorer renal function were significantly associated with more severe albuminuria status.Besides, sarcopenia and low handgrip strength also showed dose-responsive associations with albuminuria status, which was similar in muscle quality.The receiver operating characteristic curve determine that the UACR of 13.7 mg/g was the optimal cutoff for sarcopenia diagnosis, which was lower than the conventionally definition of microalbuminuria (<30 mg/g). Conclusions: Albuminuria status was dose-responsively associated with sarcopenia among older persons with T2DM, and the risk started to escalate from minimal albuminuria (UACR 9.18 mg/g in men and 18.4 mg/g in women). Further intervention studies are needed to evaluate potential benefits of better diabetes control in preventing sarcopenia and its outcomes.

原文English
文章編號104338
期刊Archives of Gerontology and Geriatrics
95
DOIs
出版狀態Published - 1 7月 2021

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