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17-06-2024 | Silicone | Original Contributions

Long-term Comparative Evaluation of Weight Loss and Complications of Banded and Non-banded Roux-en-Y Gastric Bypass

Authors: Emmanuel V. B. Ferreira, Gabriele T. Queiroz, Ana-Luisa C. Corrêa, Guilherme L. Annelli, Gabriel R. Ribeiro, Wilson Salgado Jr.

Published in: Obesity Surgery

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Abstract

Purpose

The use of a nonadjustable silicone band around the gastric pouch of Roux-en-Y gastric bypass (RYGB) to reduce the recurrence of obesity is still being debated in the literature. The primary objective of this study was to evaluate banded and non-banded RYGB regarding % total weight loss (%TWL) and complications up to 10 years postoperatively and regarding the removal rate of the silicone band.

Material and Methods

A retrospective study of the medical records of all patients submitted to banded and non-banded RYGB between 2000 and 2020 was conducted. Clinical data (age, gender, weight, body mass index—BMI, comorbidities, %TWL, and the prevalence of vomiting) and laboratory data (hemoglobin, serum iron, albumin, and vitamin B12) were obtained preoperatively and at 6 months, 1, 2, 3, 5, 7, and 10 years for both groups and at 12, 15, and 20 years after banded RYGB.

Results

In total, 858 patients underwent RYGB: 409 underwent banded RYGB and 449 underwent non-banded RYGB. In the preoperative period, banded RYGB patients were heavier and had higher rates of hypertension and dyslipidemia. The %TWL was higher in the banded RYGB group up to 7 years. The prevalence of vomiting is much higher in this group, which also had lower laboratory test values. Of the banded RYGB patients, 9.53% had to have the silicone ring removed after presenting complications.

Conclusion

Banded RYGB promotes significantly higher rates of TWL at the expense of a higher frequency of food intolerance and vomiting.

Graphical Abstract

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Metadata
Title
Long-term Comparative Evaluation of Weight Loss and Complications of Banded and Non-banded Roux-en-Y Gastric Bypass
Authors
Emmanuel V. B. Ferreira
Gabriele T. Queiroz
Ana-Luisa C. Corrêa
Guilherme L. Annelli
Gabriel R. Ribeiro
Wilson Salgado Jr.
Publication date
17-06-2024
Publisher
Springer US
Published in
Obesity Surgery
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI
https://doi.org/10.1007/s11695-024-07354-7
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