Purpose: Postoperative constipation after bariatric surgery is a common complaint, decreasing patient quality of life. No literature exists examining the efficacy of a preoperative bowel regimen in reducing postoperative constipation in this cohort. This study aims explore the efficacy of a well-established bowel regimen, polyethylene glycol (PEG), in reducing constipation frequency and severity after bariatric surgery.

Methods: This was a retrospective study of adult patients undergoing primary and revisional bariatric procedures. The use of PEG bowel prep for bariatric patients was introduced as an institutional quality improvement measure. Patients during the first 3 months after PEG implementation were surveyed for postoperative constipation. For the year after implementation, patients were followed for 30-day emergency room visits or hospitalization secondary to constipation. This cohort was compared to historical controls from the previous year. Student t-tests were used for statistical analysis.

Results: During the 3-month exploratory phase, 28/49 (57.14%) patients fully completed the bowel regimen. In total, 0/56 (0%) patients reported preoperative constipation, and 5/28 (17.9%) patients reported constipation at the 3-week follow-up. In the 1 year post-implementation cohort, 2/234 (0.85%) patients had constipation-related occurrences at 30-day follow-up, compared to 8/219 patients (3.65%) in the historical cohort (p = 0.04).

Conclusions: The implementation of a PEG-based bowel regimen did not eliminate self-reported constipation. However, there were significant differences in rates of constipation-related ED visits and hospital readmissions, suggesting that the bowel regimen decreases rates of severe constipation. Finally, patient compliance was limited. Future work should aim towards increasing compliance.

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Source
http://dx.doi.org/10.1007/s11695-024-07073-zDOI Listing

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