American journal of surgery · 2000
Treatment of morbid obesity with laparoscopic adjustable gastric banding affects esophageal motility.
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Weiss H G, Nehoda H, Labeck B, Peer-Kühberger M D, Klingler P, Gadenstätter M, Aigner F, Wetscher G J
Аннотация
BACKGROUND: Laparoscopic adjustable gastric banding has become the prefered method for the surgical treatment of morbid obesity in Europe. It is not known whether this procedure may induce gastroesophageal reflux and whether it may impair esophageal peristalsis.
METHODS: Laparoscopic adjustable gastric banding (Swedish band) was performed in 43 patients (median body mass index [BMI] 42.5 kg/m(2)). Preoperatively and 6 months postoperatively all patients were assessed for reflux symptoms. In addition all patients underwent preoperative and postoperative endoscopy, esophageal barium studies and manometry, and 24-hour esophageal pH-monitoring.
RESULTS: The median BMI dropped significantly to 33.1 kg/m(2) (P <0.05). Preoperatively 12 patients complained of reflux symptoms. Mild esophagitis was detected in 10 patients. Postoperatively only 1 patient complained of heartburn and mild esophagitis was diagnosed in another patient. None of the patients had dysphagia. Preoperatively a defective LES and pathologic pH-testing were found in 9 and 15 patients, respectively. These parameters were normal in all of the patients postoperatively. Postoperatively there was significant impairment of LES relaxation and deterioration of esophageal peristalsis with dilatation of the esophagus in some of the patients.
CONCLUSION: Laparoscopic adjustable gastric banding provides a sufficient antireflux barrier and therefore prevents pathologic gastroesophageal reflux. However, it impairs relaxation of the LES, leading to weak esophageal peristalsis.
METHODS: Laparoscopic adjustable gastric banding (Swedish band) was performed in 43 patients (median body mass index [BMI] 42.5 kg/m(2)). Preoperatively and 6 months postoperatively all patients were assessed for reflux symptoms. In addition all patients underwent preoperative and postoperative endoscopy, esophageal barium studies and manometry, and 24-hour esophageal pH-monitoring.
RESULTS: The median BMI dropped significantly to 33.1 kg/m(2) (P <0.05). Preoperatively 12 patients complained of reflux symptoms. Mild esophagitis was detected in 10 patients. Postoperatively only 1 patient complained of heartburn and mild esophagitis was diagnosed in another patient. None of the patients had dysphagia. Preoperatively a defective LES and pathologic pH-testing were found in 9 and 15 patients, respectively. These parameters were normal in all of the patients postoperatively. Postoperatively there was significant impairment of LES relaxation and deterioration of esophageal peristalsis with dilatation of the esophagus in some of the patients.
CONCLUSION: Laparoscopic adjustable gastric banding provides a sufficient antireflux barrier and therefore prevents pathologic gastroesophageal reflux. However, it impairs relaxation of the LES, leading to weak esophageal peristalsis.