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This study examined the relationship between cognition and gait in older adults undergoing physical therapy at home. The retrospective analysis included 10,953 patients, with gait performance found to be associated with cognitive function. The results suggest changes in gait may relate to cognitive decline in this population.
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Relationship between cognition and gait performance in older adults receiving physical therapy interventions in the home Susan L. Whitney, DPT, PhD, NCS, ATC, FAPTA; Gregory F. Marchetti, PT, PhD; Jennifer Ellis, PT, DPT, MS; Laurie Otis, PT, MBA, MHA; Faisal Asiri, PT, MS; Ahmad Alghadir, PT, PhD
Aim • Determine relationship between gait and cognitive functioning in persons undergoing home-care physical therapy services. • Relevance • Persons undergoing physical therapy home services often have difficulty with mobility and gait.
Method • Retrospective analysis between 2007 and 2008: • 10,953 patients seen by home-care agency (average age 83) who ambulated independently or with assistive device. • Measures: • Modified Clinical Test of Sensory Integration and Balance plus either Performance Oriented Measurement Assessment (POMA) or the Dynamic Gait Index (DGI). • Mental function: Outcome and Assessment Information Set.
Results • Multivariate model (adjusted for age and sex) identified DGI gait performance as independently associated with likelihood of patient requiring cognitive prompting. • Both DGI and POMA scores were independently associated with requiring assistance and/or dependence with cognitive tasks.
Conclusion • Strong relationship between cognition and gait performance in persons undergoing physical therapy interventions at home. • Changes in gait may be related to cognitive decline.