Post-stroke Cognition is Associated with Stroke Survivor Quality of Life and Caregiver Outcomes: A Systematic Review and Meta-analysis

Renerus J. Stolwyk, Tijana Mihaljcic, Dana K. Wong, Diana Ramirez Hernandez, Brittany Wolff, Jeffrey M. Rogers

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)

Abstract

Disability arising from post-stroke cognitive impairment is a likely contributor to the poor quality of life (QoL) stroke survivors and their carers frequently experience, but this has not been summarily quantified. A systematic literature review and meta-analysis was completed examining the association between general and domain-specific post-stroke cognitive functioning and adult stroke survivor QoL, caregiver QoL, and caregiver burden. Five databases were systematically searched, and eligibility for inclusion, data extraction, and study quality were evaluated by two reviewers using a standardised protocol. Effects sizes (r) were estimated using a random effects model. Thirty-eight studies were identified, generating a sample of 7365 stroke survivors (median age 63.02 years, range 25–93) followed for 3 to 132 months post-stroke. Overall cognition (all domains combined) demonstrated a significant small to medium association with QoL, r = 0.23 (95% CI 0.18–0.28), p < 0.001. The cognitive domains of speed, attention, visuospatial, memory, and executive skills, but not language, also demonstrated a significant relationship with QoL. Regarding caregiver outcomes, 15 studies were identified resulting in a sample of 2421 caregivers (median age 58.12 years, range 18–82) followed for 3 to 84 months post-stroke. Stroke survivor overall cognitive ability again demonstrated a significant small to medium association with caregiver outcomes (QoL and burden combined), r = 0.17 (95% CI 0.10–0.24), p < 0.001. In conclusion, lower post-stroke cognitive performance is associated with significant reductions in stroke survivor QoL and poorer caregiver outcomes. Cognitive assessment is recommended early to identify those at risk and implement timely interventions to support both stroke survivors and their caregivers.

Original languageEnglish
JournalNeuropsychology Review
DOIs
Publication statusPublished - 11 Mar 2024

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