• Yoshihiro Yoshimura, Hidetaka Wakabayashi, Takahiro Bise, and Maiko Tanoue.
• Department of Rehabilitation Medicine, Kumamoto Rehabilitation Hospital, Kumamoto, Japan. Electronic address: hanley.belfus@gmail.com.
• Clin Nutr. 2018 Dec 1; 37 (6 Pt A): 2022-2028.

BackgroundThe purpose of this study was to investigate the prevalence of sarcopenia following stroke, musculoskeletal disease, or hospital-associated deconditioning in convalescent rehabilitation ward inpatients. The association between the activities of daily living (ADLs), dysphagia, and sarcopenia was also assessed.MethodsA cross-sectional study was performed in consecutive patients admitted to convalescent rehabilitation wards. Sarcopenia was defined as a loss of skeletal muscle mass and decreased muscle strength. The primary outcome was the Functional Independence Measure (FIM) score. Body mass index, Mini Nutritional Assessment-Short Form score, Food Intake Level Scale (FILS) score, Charlson Comorbidity Index, premorbid modified Rankin scale, time from onset, reason for admission, bioelectrical impedance analysis for skeletal muscle mass and fat mass, and handgrip strength were also assessed. Univariate and multivariate analyses were used to determine whether ADLs and dysphagia were associated with sarcopenia.ResultsThe study included 637 patients (mean age: 74 years; 271 men and 366 women). Sarcopenia was diagnosed in 343 (53.0%) patients (141 men and 202 women). Sarcopenia was identified in 53.6% (125/233) of stroke patients (59.8%, 50.0%, and 34.6% of patients with brain infarctions, brain hemorrhages, and subarachnoid hemorrhages, respectively). Sarcopenia was found in 51.3% (154/300) of patients with musculoskeletal diseases (59.5%, 53.6%, and 36.5% of patients with hip fractures, vertebral compression fractures, and total knee arthroplasty, respectively). Of patients with hospital-associated deconditioning, 61.5% (64/104) had sarcopenia (95.1% and 39.7% of patients with pneumonia and other acute diseases, respectively). Multivariate analysis showed that FIM motor domain and FILS scores were independently associated with skeletal muscle mass loss and decreased muscle strength.ConclusionsThe prevalence of sarcopenia in convalescent rehabilitation ward inpatients was 53.0%. ADLs and dysphagia were independently associated with sarcopenia in this study population. Sarcopenia with disabilities should be assessed for all patients in rehabilitation settings.Copyright © 2017 Elsevier Ltd and European Society for Clinical Nutrition and Metabolism. All rights reserved.

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