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Body Composition Alterations in Patients with Chronic Stroke: A Cross-Sectional Study
Jittima Saengsuwan1, Charuwan Nimphan1, Charoonsak Somboonporn2
1Department of Rehabilitation Medicine, Faculty of Medicine, Srinagarind Hospital, Khon Kaen University, Thailand.
Patients with chronic stroke show significant differences in body composition, with lower lean body mass (LBM) and bone mineral content (BMC) on the paretic side. Age, body mass, and motor strength predict paretic LBM.
Area of Science:
- Rehabilitation Medicine
- Neurology
- Body Composition Analysis
Background:
- Chronic stroke survivors often experience asymmetrical body composition.
- Understanding these differences is crucial for targeted rehabilitation strategies.
Purpose of the Study:
- To compare body composition (fat mass, lean body mass [LBM], bone mineral content [BMC]) between paretic and non-paretic limbs in chronic stroke patients.
- To identify predictors of LBM and BMC in the paretic limbs.
Main Methods:
- Cross-sectional study of 84 chronic stroke patients (58 male, 26 female; mean age 58.3 years).
- Dual-energy X-ray absorptiometry (DXA) used to measure body composition of paretic and non-paretic limbs.
Main Results:
- Significantly lower LBM and BMC on the paretic side for both upper and lower extremities.
- Higher fat mass observed in the paretic lower limb.
- Key predictors for paretic LBM included age, body mass, motor strength, and body fat percentage. Sex, height, and limb-specific LBM/body mass predicted paretic BMC.
Conclusions:
- Chronic stroke leads to significant, measurable differences in body composition between affected and unaffected limbs.
- Identified predictors offer insights for personalized interventions to improve LBM and BMC in stroke survivors.
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