High prevalence and clinical impact of dynapenia and sarcopenia in Japanese patients with type 1 and type 2 diabetes: Findings from the Impact of Diabetes Mellitus on Dynapenia study

• Published in: Journal of diabetes investigation Vol. 12; no. 6; pp. 1050 - 1059
• Main Authors: Mori, Hiroyasu, Kuroda, Akio, Yoshida, Sumiko, Yasuda, Tetsuyuki, Umayahara, Yutaka, Shimizu, Sayoko, Ryomoto, Kayoko, Yoshiuchi, Kazutomi, Yamamoto, Tsunehiko, Matsuoka, Taka‐aki, Shimomura, Iichiro, Matsuhisa, Munehide
• Format: Journal Article
• Language: English
• Published: Japan John Wiley & Sons, Inc 01.06.2021; John Wiley and Sons Inc; Wiley
• Subjects: Aged; Aged, 80 and over; Aging; Body mass index; Cost of Illness; Cross-Sectional Studies; Diabetes; Diabetes mellitus (insulin dependent); Diabetes mellitus (non-insulin dependent); Diabetes Mellitus, Type 1 - complications; Diabetes Mellitus, Type 1 - physiopathology; Diabetes Mellitus, Type 2 - complications; Diabetes Mellitus, Type 2 - physiopathology; Diabetic neuropathy; Diabetic retinopathy; Dynapenia; Female; Gait; Geriatric Assessment; Glomerular filtration rate; Hand Strength; Humans; Japan - epidemiology; Male; Muscle Strength; Muscle Weakness - epidemiology; Muscle Weakness - etiology; Muscle, Skeletal - physiopathology; Musculoskeletal system; Obesity; Original; Prevalence; Quality of Life; Questionnaires; Regression analysis; Sarcopenia; Sarcopenia - epidemiology; Sarcopenia - etiology; Skeletal muscle; Type 1 and type 2 diabetes; Walking Speed; Japan; Dynapenia; Sarcopenia; Type 1 and type 2 diabetes
• ISSN: 2040-1116; 2040-1124
• DOI: 10.1111/jdi.13436

Aims/Introduction The present study aimed to clarify the prevalence and clinical characteristics of sarcopenia and dynapenia, which are muscle weakness with and without low muscle mass, respectively, in Japanese patients with type 1 diabetes mellitus and type 2 diabetes mellitus. Materials and Methods This cross‐sectional study enrolled 1,328 participants with type 1 diabetes (n = 177), type 2 diabetes (n = 645) and without diabetes (n = 506). Sarcopenia was defined as a low grip strength and slow gait speed with low skeletal muscle mass index, whereas dynapenia was defined as low strengths of grip and knee extension with a normal skeletal muscle mass index. Participants without sarcopenia and dynapenia were defined as robust. Results Among participants aged ≥65 years, sarcopenia and dynapenia were observed in 12.2% and 0.5% of individuals without diabetes, 42.9% and 11.4% of type 1 diabetes patients, and 20.9% and 13.9% of type 2 diabetes patients. In both type 1 diabetes and type 2 diabetes patients, sarcopenic patients were significantly older and thinner, and showed a significantly higher rate of diabetic neuropathy than robust patients. In patients with type 1 diabetes and type 2 diabetes, dynapenic patients were older, and showed a higher rate of diabetic neuropathy and lower estimated glomerular filtration rate than robust patients. Patients complicated with sarcopenia and dynapenia showed a significantly lower physical quality of life and higher rate of incidental falls than robust patients. Conclusions Sarcopenia and dynapenia were more frequent in patients with type 1 diabetes and type 2 diabetes than in individuals without diabetes, which might contribute to their impaired quality of life and incidental falls. Sarcopenia was highly observed in type 1 diabetes patients compared with non‐diabetes and type 2 diabetes patients. In contrast, the prevalence of dynapenia was markedly higher in type 1 and type 2 diabetes patients compared with individuals without diabetes.