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Journal of Cardiovascular Nursing:
doi: 10.1097/JCN.0000000000000173

The Association Between Mild Cognitive Impairment and Self-care in Adults With Chronic Heart Failure: A Systematic Review and Narrative Synthesis

Currie, Kay PhD, RN; Rideout, Andrew MPH, RN; Lindsay, Grace PhD, RN; Harkness, Karen PhD, RN

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Background: Emerging evidence suggests that heart failure (HF) patients who have mild cognitive impairment (MCI) may experience greater difficulty with self-care.

Objective: This article reports a systematic review that addressed the objective “What is the evidence for an association between MCI and self-care, measured in 1 or more of the self-care domains related to HF, in adults who have a diagnosis of chronic HF?”

Method: We adopted Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines for the review and synthesis of quantitative research studies that formally measured both cognitive function and self-care in HF patients and sought to describe the relationship between these factors.

Results: Ninety-one potentially relevant studies were located; 10 studies (2006–2014) were included. Because of heterogeneity in the retrieved studies, meta-analysis was not possible. Narrative synthesis found growing evidence regarding the association between MCI and adverse effects on self-care in HF. Nine studies reported significant positive associations between MCI and self-care in HF, either specifically in relation to medication adherence or more generic measures of self-care activity. One study reported a significant, negative correlation between cognitive function and self-care, suggesting that worse cognitive function was associated with better self-care; however, this is partially explained by a small sample size and mixed methodology.

Conclusions: These findings have implications for clinical practice. It is known that HF patients have difficulty with self-care, and the influence of cognitive function needs to be considered when providing professional support. Further research to determine the feasibility and acceptability of cognitive assessment in routine clinical care is recommended.

Copyright © 2015 Wolters Kluwer Health, Inc. All rights reserved


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