期刊
DISABILITY AND REHABILITATION
卷 33, 期 21-22, 页码 1952-1962出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/09638288.2011.553703
关键词
Stroke; postural balance; cognition; aged
资金
- Vardal Institute
- Sahlgrenska Academy, University of Gothenburg
- Health and Medical Care Committee of the Region Vastra Gotaland
- Lion's foundation
- Swedish Order of St. John
- Lindh's foundation
- Swedish Stroke Association
- Swedish Association of Registered Physiotherapists (Gerontology and Geriatric Group, Neurology Group and the Renee Eander Foundation)
Purpose. The ability to balance is no longer automatic after stroke in patients with motor impairment and needs to be relearned. Learning requires cognitive and executive abilities. It is well known that cognitive and executive impairments are common after stroke, but how these are related to balance has not yet been fully studied. We, therefore, wanted to explore the impact of pre-stroke cognitive impairment, global and selective cognitive and executive impairment in the early phase after stroke and at the 1-year follow-up on balance and on the improvement of balance during the first year after stroke. Method. Seventy-four patients were included consecutively on admission following stroke to a geriatric stroke unit and followed prospectively for 1 year. Balance was assessed using the Berg Balance Scale on admission, on discharge and 1 year after stroke. Results. Cognitive impairment before stroke, measured using the Cognitive Impairment Questionnaire, was found to lead to poor balance on discharge and 1 year after stroke. Patients with impaired logical deductive ability and executive function, measured using a neuropsychological test battery both in the early phase and 1 year after stroke, also had significantly poorer balance 1 year after stroke than patients with intact functions. Most importantly, only patients with intact cognitive function, before stroke, on admission and at the 1-year follow-up, significantly improved their balance after discharge. Conclusions. Our results show that cognitive status, both before and after stroke, is important for balance and improvement of balance after stroke.
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