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Adjustable Gastric and Esophagogastric Banding

About Esophageal Function

Obesity Surgery Operations - Research Into Obesity Surgery

Adjustable Gastric and Esophagogastric Banding: A Randomized Clinical Trial

Adjustable gastric banding and esophagogastric banding may affect the function of the lower esophageal sphincter (LES) and esophageal motility in the long-term. Both methods were evaluated in a prospective randomized trial.

Method

Group 1 comprised 28 patients who underwent laparoscopic adjustable gastric banding and Group 2 consisted of 24 patients in whom adjustable esophagogastric banding was performed. Swedish Adjustable Gastric Bands were used in all patients. Body mass index (BMI), perioperative complications and reflux symptoms were assessed and upper gastrointestinal endoscopy, esophageal barium studies, esophageal manometry and 24-hour esophageal pH-monitoring were performed pre- and postoperatively. 18 (Group 1) and 14 (Group 2) patients completed the postoperative follow-up procedure after a median of 23 and 24 months, respectively.

Results

Postoperatively the median BMI dropped equally in both groups. Perioperative complications requiring re-intervention were significantly more frequent in Group 2 than in Group 1. Heartburn improved equally in both groups following surgery; however, regurgitation and esophagitis were significantly more common in Group 2 than in Group 1.24-hour esophageal pH-monitoring and the LES resting pressure improved equally in both groups, but there was a significant impairment of the LES relaxation and the esophageal peristalsis, which was more pronounced in Group 2 than in Group 1. This caused significant esophageal stasis as shown by barium studies.

Conclusions

Both techniques, gastric and esophagogastric banding, provide effective weight loss in morbidly obese patients but affect the esophagogastric junction. Although both procedures strengthen the antireflux-barrier, LES relaxation becomes impaired, thus promoting esophageal dilatation and esophageal stasis. This is more pronounced following esophagogastric banding than following the classic procedure. Since the esophagogastric banding results in more complications requiring re-intervention, we believe that this procedure should not be used any more.

Source:
Weiss HG, Nehoda H, Labeck B, Peer-Kuehberger R, Oberwalder M, Aigner F, Wetscher GJ. Department of General Surgery, University of Innsbruck, Anichstrasse 35, A-6020 Innsbruck, Austria.

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Laparoscopic or open bariatric surgery, such as gastric banding or bypass is not an easy solution to morbid obesity and weight loss. It is a serious surgical procedure, involving health risks. To produce lasting weight loss it requires a long-term patient commitment to eating a healthy diet and following a regular program of physical exercise. Life-long use of nutritional supplements may also be necessary. So, before deciding, discuss your options fully with your doctor. © 2003-2017 Bariatric-Surgery.Info - Terms - Contact - Information - Resources