Abstract
Physical activity (PA) is known to influence cognitive function. However, the impact of PA on patients with cerebrovascular disease (CVD) has not yet been elucidated. PA and cognitive function have not been measured simultaneously over time, which makes it difficult to evaluate their relationship. The purpose of this study was to investigate the change in the amount of PA recorded by ActiGraph GT3X-BT and six test scores of cognitive function, and the relationship between them in 15 patients with CVD (six women and nine men; 78.0 ± 11.6 years old). Results showed an increase in the amount of PA and scores of cognitive tests, and a significant decrease in the duration of sedentary behavior during the four months (p < 0.05). There were significant correlations between PA Energy Expenditure (PAEE) and Raven’s Colored Progressive Matrices test (RCPM) (r = 0.536, p < 0.0001). There were significant correlations between PAEE and Symbol Digit Modalities Test (SDMT) (r = 0.271, p = 0.036). There were significant correlations between sedentary behavior and RCPM (r = −0.606, p < 0.0001). There were significant correlations between sedentary behavior and SDMT (r = −0.355, p = 0.005). There were significant correlations between Light PA (LPA) and RCPM (r = 0.603, p < 0.0001). There were significant correlations between LPA and SDMT (r = 0.362, p = 0.005).
Highlights
GT3X-BT and six test scores of cognitive function, and the relationship between them in 15 patients with Cerebrovascular Disease (CVD)
We examined physical activity (PA) and cognitive function for four months, and the relationship between them among 15 CVD patients in convalescent hospital wards
We first evaluated the change in PA by collecting data from the ActiGraph which was worn by subjects, and from cognitive function item scores of six assessments over four months from the time of admission
Summary
GT3X-BT and six test scores of cognitive function, and the relationship between them in 15 patients with CVD (six women and nine men; 78.0 ± 11.6 years old). Concerning the value of physical activity (PA) in patients with CVD, previous studies showed that accelerometers yield valid and reliable data about the PA of patients with stroke[2], and that the PA of community dwelling stroke survivors is low[3]. These studies do not show the quantitative change in PA over time. Previous clinical studies of CVD patients reported that acute treadmill exercise improves the function of hemiplegic upper extremity but not cognitive performance[17]. If PA and exercise was related to the cognitive function of patients with CVD, it would be possible to design effective interventions with PA for everyday life and cognitive rehabilitation. It is necessary to measure PA and cognitive function simultaneously over time; and to investigate the relationship between them in patients with CVD
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