eISSN: 2299-0054
ISSN: 1895-4588
Videosurgery and Other Miniinvasive Techniques
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vol. 19
Original paper

The real occurrence of gastroesophageal reflux disease after sleeve gastrectomy – a prospective pH-monitoring study

Natalia Dowgiałło-Gornowicz
Pawel Lech

  1. Department of General, Minimally Invasive, and Elderly Surgery, Collegium Medicum, University of Warmia and Mazury, Olsztyn, Poland
Videosurgery Miniinv 2024; 19 (2): 205–210
Online publish date: 2024/04/03
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Sleeve gastrectomy (SG) is currently the most frequently performed bariatric procedure in the world. However, the occurrence of gastroesophageal reflux disease (GERD) after SG remains controversial and questionable.

To determine the occurrence of GERD after SG using a pH-monitoring study.

Material and methods
This is a prospective study involving patients undergoing SG in one surgical centre. Inclusion criteria were eligibility for bariatric surgery, no symptoms of GERD, normal gastroscopy, and pH-monitoring before the surgery. Postoperative examinations were performed 6 months after surgery.

A total of 38 patients were analysed in the study. The mean age was 44.9 years, and the mean preoperative BMI was 42.6 kg/m2. Before surgery, all patients had normal pH values. After surgery, mean acid exposure time (AET), number of refluxes, and DeMeester score increased statistically significantly (p < 0.001). 27 (71.1%) patients each had AET > 6%, but only 9 (23.7%) reported GERD symptoms and the need for PPIs. The correlation between AET and %TWL was moderate positive, and the correlation between DeMeester score and %TWL was low positive (p = 0.011, p = 0.014, respectively).

GERD after SG seems to be a significant problem. More than two-thirds of patients had de novo GERD after SG in pH-monitoring, but only one-quarter of them required PPIs.


bariatric surgery, sleeve gastrectomy, gastroesophageal reflux disease, GERD, pH-monitoring, reflux disease

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