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A population-based study on motor performance and white matter lesions in older women
1Department of Geriatric Medicine, Göteborg University, Sweden.
Objective:
To investigate the relationship between motor performance and white matter lesions (WMLs) on computed tomography (CT) of the brain in older women.
Design:
Cross-sectional study.
Setting:
Population-based study in Göteborg, Sweden.
Participants:
A total of 248 women aged 70, 74, and 78 years.
Measurements:
Motor performance was measured by a Postural-Locomotion-Manual (PLM) test using an optoelectronic technique. WMLs on CT scans were rated as no, mild, moderate, or severe.
Results:
White matter lesions were associated with impaired mobility of the lower extremities, that is, prolonged locomotion phase in the PLM test. This association was also present after controlling for age, hypertension, coronary heart disease, stroke, diabetes mellitus, chronic bronchitis, intermittent claudication, and smoking.
Conclusions:
Cerebral white matter lesions may contribute to motor impairments in older adults.