Abstract
Laparoscopic vertical sleeve gastrectomy (LSG) is a popular bariatric procedure performed in Asia, as obesity continues to be on the rise in our population. A major problem faced is the development of de novo gastroesophageal reflux disease (GERD) after LSG, which can be chronic and debilitating. In this study, we aim to assess the relationship between the presence of small hiatal hernia (HH) and the development of postoperative GERD, as well as to explore the correlation between GERD symptoms after LSG and timing of meals. In doing so, we hope to gain a better understanding about the type of reflux that occurs after LSG and take a step closer towards effectively managing this difficult to treat condition. We retrospectively reviewed data collected from patients who underwent LSG in our hospital from Dec 2008 to Dec 2016. All patients underwent preoperative upper GI endoscopy, during which the identification of hiatal hernia takes place. Patients' information and reflux symptoms are recorded using standardized questionnaires, which are administered preoperatively, and again during postoperative follow up visits. Of the 255 patients, 125 patients (74%) developed de novo GERD within 6 months post-sleeve gastrectomy. The rate of de novo GERD was 57.1% in the group with HH, and 76.4% in the group without HH. Adjusted analysis showed no significant association between HH and GERD (RR = 0.682; 95% CI 0.419 to 1.111; P = 0.125). 88% of the patients who developed postoperative GERD reported postprandial symptoms occurring only after meals, and the remaining 12% of patients reported no correlation between the timing of GERD symptoms and meals. There is no direct correlation between the presence of small hiatal hernia and GERD symptoms after LSG. Hence, the presence of a small sliding hiatal hernia should not be exclusion for sleeve gastrectomy. Electing not to perform concomitant hiatal hernia repair also does not appear to result in higher rates of postoperative or de novo GERD.
Highlights
With obesity on the rise in Asia, bariatric surgery has gained popularity, the number and type of bariatric procedures performed varies significantly between countries
Adjusted analysis showed no significant association between hiatal hernia (HH) and gastro-esophageal reflux disease (GERD) (RR = 0.682; 95% CI 0.419 to 1.111; P = 0.125). 88% of the patients who developed postoperative GERD reported postprandial symptoms occurring only after meals, and the remaining 12% of patients reported no correlation between the timing of GERD symptoms and meals
There is no direct correlation between the presence of small hiatal hernia and GERD symptoms after Laparoscopic sleeve gastrectomy (LSG)
Summary
With obesity on the rise in Asia, bariatric surgery has gained popularity, the number and type of bariatric procedures performed varies significantly between countries. Laparoscopic sleeve gastrectomy (LSG) has gained popularity because of its ease, speed and safety. It is currently the most frequently performed bariatric surgery procedure in the Asia Pacific region, accounting for >50% of all bariatric procedures [1]. Pre-operatively existing GERD might be improved after LSG due to successful weight loss and decrease in intra-abdominal pressure, yet many patients develop de novo GERD or worsening of their pre-existing reflux symptoms. Laparoscopic vertical sleeve gastrectomy (LSG) is a popular bariatric procedure performed in Asia, as obesity continues to be on the rise in our population. We hope to gain a better understanding about the type of reflux that occurs after LSG and take a step closer towards effectively managing this difficult to treat condition
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