Impact of skeletal muscle mass on functional prognosis in acute stroke: A cohort study
Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia(2023)
Abstract
Introduction: Changes in skeletal muscle mass affect physical performance in chronic stroke survivors. The skeletal muscle mass index is thus an important assessment factor in stroke; however, its value in the acute phase is unclear.Objective: This study investigated the association between skeletal muscle mass and acute stroke outcome.Design: This was a single-center cohort study design.Participants: A total of 189 consecutively hospitalized patients with acute stroke were included in the study.Interventions: Not applicable.Main outcome measures: The main outcome of the study was a good modified Rankin Scale (mRS) score at hospital discharge. We divided the participants into good (mRS score 0-2) and poor (mRS score 3-6) function groups. Logistic regression was performed to identify the factors associated with functional prognosis.Results: Atrial fibrillation (odds ratio [OR], 14.95; 95% confidence interval [CI], 2.45-91.39; P = 0.003), pre-mRS (OR, 2.22; 95% CI, 1.05-4.68; P = 0.036), National Institutes of Health Stroke Scale (OR, 1.32; 95% CI, 01.12-1.56; P = 0.001), skeletal muscle mass index (OR, 0.31; 95% CI, 0.11-0.87; P = 0.027), and Lower Ex-tremity Fugl-Meyer Assessment (OR, 0.68; 95% CI, 0.56-0.82; P = 0.000) were all independently associated with the functional prognosis of the patients included in the study.Conclusion: This study confirmed that skeletal muscle mass is a strong prognostic factor in acute stroke. Thus, prestroke skeletal muscle mass, along with stroke severity and lower limb paralysis, needs to be assessed to more accurately determine the prognosis of patients with stroke.
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Key words
Stroke,Skeletal muscle mass,Presarcopenia,Rehabilitation,Functional prognosis
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