Abstract summary 

There are limited data on vascular cognitive impairment (VCI) from low- and middle-income countries where the stroke burden is burgeoning. The aim of this study was to characterize the burden, determinants, and effects of VCI on health-related quality of life in sub-Saharan Africa (SSA).From January 2015 to February 2016, we collected information on 147 consecutive stroke survivors (>45 years) seen at a tertiary hospital in Ghana and 49 demographically matched stroke-free controls. Data collected included demographics, clinical factors, health-related quality of life, and presence of depression. Cognitive status was evaluated using a standard Vascular Neuropsychological Battery that assessed memory, executive function and mental speed, language, and visuospatial-visuoconstructive functioning. Expert VCI guideline and Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition criteria were used to classify stroke patients into no VCI, VCI but no dementia, and vascular dementia (VD).The mean age ± standard deviation of the stroke survivors was 59.9 ± 13.7 years, of which 47.6% were women. Among the cohort, 77 out of 147 (52.3%) had no VCI, 50 of the 147 (34.0%) had VCI without dementia, and 20 of the 147 (13.6%) had VD. Three factors remained significantly associated with VCI: increasing age for each successive 10-year rise (odds ratio [OR] 1.44, 95% confidence interval [CI]: 1.03-2.02), lack of formal education (OR 5.26, 95% CI: 1.01-27.52), and worse functional disability on the modified Rankin scale (OR 2.46, 95% CI: 1.61-3.75). Patients with VD had the poorest health-related quality of life.Half of the Ghanaian stroke survivors encountered in this cross-sectional study had evidence of cognitive dysfunction. Future studies in SSA will need to identify strategies to address this immense burden.

Authors & Co-authors:  Sarfo Fred Stephen FS Akassi John J Adamu Sheila S Obese Vida V Ovbiagele Bruce B

Study Outcome 

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