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Revista chilena de cirugía

versão On-line ISSN 0718-4026


AWAD F, WILLIAM et al. Weight loss in patients subjected to gastric bypass with or without calibration ring. Rev Chil Cir [online]. 2008, vol.60, n.1, pp.17-21. ISSN 0718-4026.

Background: In gastric bypass, the diameter of gastrojejunal anastomosis may increase with time. It is not clear if a higher weight reduction can be achieved if a ring is added to the pouch. Aim: To compare the results of gastric bypass with and without the addition of a ring. Material and methods: Prospective study of patients subjected to gastric bypass using Capella and Fobi technique. In a group of 244 patients (201 women), operated in one surgical center, a 6 cm ring was attached around the gastric pouch. In 194 patients (163 women) operated in other two centers, the ring was not used. Patients were followed for 36 months. Excess weight loss (EWL) and quality of life using BAROS II score were evaluated in both groups. Results: EWL at 24 months were 80.8 + 17 and 69.6 + 19% in groups with and without ring, respectively (p < 0.05). The figures at 36 months were 81+16 and 71.9 + 14%, respectively (p <0.05). Strictures of thegastrojejunal anastomosis were observed in 12 patients without ring (6.1%) and in 2 patients with ring (0.8%). Patients with ring had higher rates of disphagia. Quality of life scores were similar in both groups. Conclusions: Patients with banded bypass had a higher weight loss but a higher frequency of disphagia. Patients without band had a higher frequency of gastrojejunal anastomosis strictures

Palavras-chave : Bariatric surgery; banded gastric bypass; excess weight loss; BAROS II.

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