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Weight Loss Outcome After Silastic Ring Roux-en-Y Gastric Bypass: 8 Years of Follow-up

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Abstract

Background

An underlying major aim of bariatric surgery is weight loss and its long-term maintenance. In spite of this, most studies regarding weight loss after surgical treatment of morbid obesity show 3-year follow-up results. We evaluated the effectiveness of silastic ring Roux-en-Y gastric bypass (SR-RYGBP) in promoting significant weight loss after an 8-year follow-up at the Londrina State University Hospital.

Methods

From May 1999 to December 2000, 211 morbidly obese patients were submitted to SR-RYGBP by the same surgical team. The study’s design was longitudinal, prospective, and descriptive. The analysis of postoperative weight decrease was based on excess weight loss in percentage (%EWL) and the calculation of body mass index. Therapeutic failure was considered when patients lost <50% of excess weight.

Results

Patients lost to follow-up were 36.5%; therefore, 134 patients were included in this study. The average global EWL was 67.6 ± 14.9% on the first postoperative year, 72.6 ± 14.9% on the second year, 69.7 ± 15.1% on the fifth postoperative year, and 66.8 ± 7.6% on the eight postoperative year. Surgical treatment failure occurred in 15 patients (7.1%) over 8 years.

Conclusions

SR-RYGBP was effective in promoting and maintaining weight loss in the long term with a low failure rate.

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Conflict of interest

The authors declare that they have no conflict of interest.

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Authors and Affiliations

  1. Department of Surgery, State University of Londrina, Londrina, Brazil

    Antonio Carlos Valezi, Mariano Almeida de Menezes & Edivaldo Macedo de Brito

  2. University Hospital of the State University of Londrina, Londrina, Brazil

    Jorge Mali Junior

  3. State University of Londrina, Londrina, Brazil

    Shirley A. F. de Souza

Authors
  1. Antonio Carlos Valezi
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  2. Jorge Mali Junior
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  3. Mariano Almeida de Menezes
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  4. Edivaldo Macedo de Brito
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  5. Shirley A. F. de Souza
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Correspondence to Antonio Carlos Valezi.

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Valezi, A.C., Junior, J.M., de Menezes, M.A. et al. Weight Loss Outcome After Silastic Ring Roux-en-Y Gastric Bypass: 8 Years of Follow-up. OBES SURG 20, 1491–1495 (2010). https://doi.org/10.1007/s11695-010-0264-2

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