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Revista chilena de cirugía

versión On-line ISSN 0718-4026

Resumen

PEREIRA C, Nicolás et al. Effects of gastric bypass for morbid obesity on Barrett esophagus. Rev Chil Cir [online]. 2012, vol.64, n.2, pp.155-160. ISSN 0718-4026.  http://dx.doi.org/10.4067/S0718-40262012000200008.

Background: Besides the weight reducing effects of gastric bypass, it is also a good antireflux procedure since there is no acid production by the gastric pouch and there is no duodenal reflux due to the presence of a Roux en Y. Aim: To describe the effect of gastric bypass on Barrett esophagus among patients with morbid obesity. Material and Methods: Among 896 patients subjected to gastric bypass, 14 patient with a Barrett esophagus diagnosed with endoscopy and biopsy, were followed. A new endoscopy was performed one to 30 months after the surgical procedure. Results: Short (< = 30 mm) and long segment (> = 31 mm) Barrett esophagi were present in eight and six patients, respectively. Gastroesophageal reflux symptoms relieved in 70% of these cases in a mean lapse of 6.5 months. There was regression from intestinal metaplasia to car-dial mucosa in six patients (75%) with short-segment, and in one patient (16%) with long-segment Barrett esophagus. Conclusions: Gastric bypass in patients with morbid obesity and Barrett esophagus is a very good antireflux operation. This was proved by the disappearance of symptoms in almost all patients and by the regression of the intestinal metaplasia which is time and length dependent.

Palabras clave : Gastric bypass; Barrett esophagus; morbid obesity.

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