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High prevalence of erectile dysfunction within the first year after surgery for rectal cancer: A systematic review
Sebastian B Hansen1, Siv Fonnes2, Birthe Thing Oggesen3
1Center for Perioperative Optimization, Department of Surgery, Copenhagen University Hospital - Herlev and Gentofte, Borgmester Ib Juuls Vej 1, DK, 2730, Herlev, Denmark; The Late-Complication Clinic, Capital Region of Denmark, Department of Surgery, Herlev and Gentofte Hospital, University of Copenhagen, Borgmester Ib Juuls Vej 1, DK-2730, Herlev, Denmark.
Objective:
We aimed to determine the prevalence of erectile dysfunction following rectal cancer surgery within the first year.
Summary Background Data:
Erectile dysfunction is a late complication of surgery for rectal cancer. Intraoperative mechanical nerve damage is a probable cause, but it can also be attributed to radio- and chemotherapy.
Methods:
We conducted a systematic review per our protocol (CRD42023472998), searching PubMed, Embase, and Cochrane CENTRAL in August 2023. We included studies reporting on men having surgery for rectal cancer and providing a prevalence of erectile dysfunction based on validated questionnaires published after 1997. The prevalence was estimated through forest plots. Bias was evaluated according to a checklist from the Joanna Briggs Institute.
Results:
Of the 4105 records identified in the search, we included 74 studies reporting on 9006 patients operated for rectal cancer. The studies evaluated erectile dysfunction through six validated questionnaires, especially the International Index of Erectile Function (IIEF) version 5 or 15 (84 %). The meta-analysis on 22 studies using IIEF showed that the prevalence of moderate to severe erectile dysfunction was 35 % (95 % CI 24-47 %) within the first year after surgery with very low certainty of evidence. Meta-regression on the prevalence of moderate to severe erectile dysfunction did not show a decrease in erectile dysfunction within the first year postoperatively.
Conclusions:
Around every third patient experienced moderate to severe erectile dysfunction within the first year after surgery for rectum cancer, and the prevalence of erectile dysfunction did not improve within the first year after surgery.
Mini-Abstract:
This is a meta-analysis investigating the prevalence of erectile dysfunction following rectal cancer surgery within the first year. Erectile dysfunction was determined on the base of validated self-administered questionnaires. Moderate to severe erectile dysfunction was seen in one-third of patients within the first year after surgery for rectal cancer.
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