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. 2019 Jun;33(6):1890-1897.
doi: 10.1007/s00464-018-6468-6. Epub 2018 Sep 24.

Evaluation of the rate of marginal ulcer formation after bariatric surgery using the MBSAQIP database

Benjamin Clapp  1   2 , Joshua Hahn  3 , Christopher Dodoo  3 , Angela Guerra  3 , Elizabeth de la Rosa  3 , Alan Tyroch  3
Affiliations

Evaluation of the rate of marginal ulcer formation after bariatric surgery using the MBSAQIP database

Benjamin Clapp et al. Surg Endosc. 2019 Jun.

Abstract

Background: Marginal ulcer (MU) formation is a known problem after gastric bypass. The Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) database contains data from all US and Canadian Centers of Excellence including complication rates. We hypothesized that the short-term rate of ulceration is low.

Methods: We queried the MBSAQIP database for the year 2015. We searched patients with primary gastric bypass who developed MU. We then compared preoperative, operative, and postoperative characteristics with patients who did not develop MU.

Results: The incidence of MU in the entire cohort of GB patients was 155 of 44,379 (0.35%, 95% CI 0.297%, 0.409%). Among the 155 patients with an ulcer, 88 (57%) patients had only one procedure, 69 had an intervention (therapeutic or diagnostic endoscopy), 16 had readmission, and 3 had reoperation. 65 patients (42%) had two procedures with the majority having both readmissions and endoscopy (n = 59); and two patients (1%) had three procedures. Ulcer formation was most common in the intervention group (11.4%). The occurrence of ulcer formation was associated with unplanned ICU admissions (6.45%), transfusions (5.16%), postoperative UTI (3.87%), sepsis (1.94%), and myocardial infarction (0.65%). Death occurred in 76 patients with no related cases to MUs. The risk of ulcer was associated with increased BMI (OR 1.02, p = 0.01), presence of percutaneous transluminal cardiac catheterization (PTC) (2.17, p = 0.038), histories of DVT (1.72, p = 0.085), and pulmonary embolism (2.84, p = 0.002).

Conclusions: In a nationally reported database, symptomatic MUs rarely occur in the first month. The large majority are diagnosed and treated endoscopically with minimal need for surgical intervention. The risk of anastomotic ulcer was increased with increased BMI, need for PTC, and history of DVT/PE.

Keywords: Anastomotic ulcer; Gastric bypass; MBSAQIP database; Marginal ulcer.

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References

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