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Published on: December 16, 2022
Balance and Mobility as Predictors of Post-Stroke Cognitive Impairment
Marie Helene Ursin1, Astrid Bergland2, Brynjar Fure3
1Bærum Hospital, Vestre Viken, Gjettum, Oslo and Akershus University College of Applied Sciences, Oslo, Norway.
Background:
The number of patients with cognitive impairment following stroke is increasing due to the rise in the number of stroke survivors. Health authorities highlight the need for prediction and early diagnostics. The aims of this study were to investigate if balance and mobility may predict cognitive impairment 1 year after stroke.
Methods:
The participants were patients with first-ever stroke or transient ischaemic attack (TIA). The exclusion criteria were pre-stroke cognitive impairment and dementia. Measurements of balance comprised the Berg Balance Scale (BBS) and the Figure of Eight test (Fig8). Mobility was measured by maximum walking speed and the Timed Up and Go test. Dementia and mild cognitive impairment were merged into a main outcome: cognitive impairment. Unadjusted and adjusted multivariate logistic regression models were performed.
Results:
One hundred and eighty subjects performed balance and mobility measures at baseline, and 158 participated in the follow-up; 13 died and 9 did not complete the follow-up. Two variables made a significant contribution in the adjusted analyses (Fig8, BBS). The strongest predictor of cognitive impairment was Fig8 with an odds ratio of 1.06.
Conclusion:
The results of Fig8 and BBS measured in the acute phase of stroke were predictors of cognitive impairment 1 year later in this cohort of first-ever stroke or TIA.
