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. 2022 Jul;26(7):515-527.
doi: 10.1007/s10151-022-02594-0. Epub 2022 Mar 3.

The impact of bowel dysfunction on health-related quality of life after rectal cancer surgery: a systematic review

F Al Rashid  1 , A S Liberman  2 , P Charlebois  2 , B Stein  2 , L S Feldman  3 , J F Fiore Jr  3 , L Lee  2   3
Affiliations

The impact of bowel dysfunction on health-related quality of life after rectal cancer surgery: a systematic review

F Al Rashid et al. Tech Coloproctol. 2022 Jul.

Abstract

Background: Symptoms of bowel dysfunction after sphincter-preserving rectal cancer surgery have an important impact on health-related quality of life (HRQOL), but that relationship is complex. A better understanding of this relationship allows for better informed shared decision-making about surgery. Our objective was to perform a systematic review to determine which HRQOL domains are most affected by postoperative bowel dysfunction.

Methods: A systematic review of the CINAHL, Cochrane Library, Embase, Medline, PsycInfo, PubMed, Web of Science, and Scopus databases was performed according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We included studies that evaluated bowel function after sphincter-preserving rectal cancer surgery and assessed HRQOL using a validated instrument. The quality of HRQOL analysis was assessed using an 11-item checklist. The main outcome was the impact bowel dysfunction had on global and domain specific quality-of-life indices. The impact was evaluated for clinical relevance using the Minimum Clinical Important Difference (MCID) for each specific HRQOL instrument.

Results: Out of 952 unique citations, 103 studies were full-text reviews. Eighteen studies met the inclusion criteria (4 prospective cohorts and 9 cross-sectional studies). Of the 15 studies with long-term follow-up, the time to assessment after surgery ranged from 1.2 to 14.6 years. The low anterior resection syndrome score and European Organization for Research and Treatment core quality-of-life questionnaire (EORTC QLQ-C30) were the most commonly used instruments. Medium and large magnitudes in MCID were seen for global health, social functioning, emotional functioning, fatigue, diarrhea, and financial difficulties. Among included studies, the most consistently reported functional domains affected by bowel function were social functioning and emotional functioning.

Conclusions: Following sphincter-preserving rectal cancer surgery, poor bowel function mainly affects the social and emotional functional domains of HRQOL, which in turn impact global scores. This finding can help inform patients about expected changes in HRQOL after rectal cancer surgery and facilitate individualized treatment decisions.

Keywords: Bowel dysfunction; Health-related quality of life; Low anterior resection syndrome; Postoperative outcomes; Rectal cancer.

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