A Systematic Review of Cognitive Impairment in Individuals With Colorectal Cancer

Ye Wang

Zhiming Wang

Rongyu Li

Zheng Sun

Yi Zhang

Qiuping Li

colorectal cancer, cognitive impairment, psychosocial adjustment
ONF 2024, 51(3), 275-288. DOI: 10.1188/24.ONF.275-288

Problem Identification: Patients with colorectal cancer (CRC) encounter varying degrees of objective and subjective cognitive impairment. The prevalence of objective and subjective cognitive impairment, factors affecting cognitive impairment, and interventions are presented in this review.

Literature Search: The CINAHL Plus®, Cochrane Library, Embase®, PsycINFO®, PubMed®, and CNKI databases were systematically searched from the time of the database’s establishment to May 2023. Manual searches for the relevant articles in the literature’s references were also conducted.

Data Evaluation: The results were independently assessed by two reviewers.

Synthesis: 25 studies were included. The prevalence of cognitive impairment in individuals with CRC was measured differently according to study designs. A model of factors contributing to cognitive impairment guided the integration of factors, including cancer treatments, psychosocial factors, and physical and emotional health conditions. Incorporated intervention programs could be integrated between objective and subjective aspects. Interventions relieved cognitive impairment in individuals with CRC.

Implications for Nursing: The results of this review supported enhanced assessment and monitoring of cognitive impairment, particularly subjective cognitive impairment.

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