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Gas and Bloat in Female Patients after Antireflux Procedures: Analysis of 934 Cases

Journal of the American College of Surgeons, ISSN: 1879-1190, Vol: 239, Issue: 1, Page: 18-29
2024
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Article Description

BACKGROUND: Antireflux procedures (ARPs) are effective treatments for GERD. However, variation in objective and patient-reported outcomes persists. Limited evidence and anecdotal experience suggest that patient sex may play a role. The objective of this study was to compare outcomes after ARPs between male and female patients. STUDY DESIGN: We performed a retrospective review of a prospectively maintained database at a single institution. All patients who underwent an ARP for GERD were included. Demographic, clinical, and patient-reported outcomes data (GERD health-related quality of life [HRQL] and reflux symptom index), and radiographic hernia recurrence were collected and stratified by sex. Univariable and multivariable logistic and mixed-effects linear regression were used to control for confounding effects. RESULTS: Between 2009 and 2022, 934 patients (291 men and 643 women) underwent an ARP. Reflux symptom index, GERD-HRQL, and gas and bloat scores improved uniformly for both sexes, though female patients were more likely to have higher gas and bloat scores 1 year postprocedure (mean ± SD 1.7 ± 1.4 vs 1.4 ± 1.3, p = 0.03) and higher GERD-HRQL scores 2 years postprocedure (6.3 ± 8.1 vs 4.7 ± 6.8, p = 0.04). Higher gas and bloat scores in women persisted on regression controlling for confounders. Hernia recurrence rate was low (85 patients, 9%) and was similar for both sexes. A final intraprocedural distensibility index 3 mm2/mmHg or more was significantly associated with a 7 times higher rate of recurrence (95% CI 1.62 to 31.22, p = 0.01). CONCLUSIONS: Although patients of either sex experience symptom improvement and low rate of recurrence after ARPs, women are more likely to endorse gas and bloat compared with men. Final distensibility index 3 mm2/mmHg or more carries a high risk of recurrence. These results may augment how physicians prognosticate during consultation and tailor their treatment in patients with GERD.

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