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Results of The Comparative Study of 200 Cases: One Anastomosis Gastric Bypass vs Roux-en-Y Gastric Bypass

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Abstract

Introduction

Obesity has experienced worldwide increase and surgery has become the treatment that has achieved the best results. Several techniques have been described; the most popular are vertical gastrectomy (GV) and the Roux-en-Y gastric bypass (RYGB). However, mini-gastric bypass/one anastomosis gastric bypass (MGB/OAGB) has gained popularity due to its simplicity and good results.

Objective

To comparatively evaluate the results of MGB/OAGB with those of RYGB with 1-year follow-up.

Methods

The paper presents a comparative case and control study of 100 patients that underwent MGB/OAGB surgery and another 100 with RYGB surgery, operated between 2008 and 2016. Patients were not submitted to revision surgery and had the following pre-operative variables: age 40.46 ± 12.4 vs. 39.43 ± 10.33 years; sex 64 and 54 women, 36 and 46 men; BMI 44.8 ± 12.06 and 45.29 ± 8.82 kg/m2; 50 and 54 cases with comorbidities, respectively, these being non-significant differences.

Results

The surgical time was 69.01 ± 4.62 (OAGB) vs. 88.98 ± 3.44 min; the time of hospitalization was 2 days, reaching a BMI of 27.7 ± 7.85 and 29 ± 4.52 kg/m2, with an excess weight loss 1 year after surgery of 89.4 vs. 85.9%, respectively. The morbidity rates are 9% for OAGB and 11% for the RYGB. There was a comorbidity resolution of 84.4 and 83.7% respectively, without mortality.

Conclusions

The results show the benefits of both techniques, OAGB being the easiest to perform and with less surgical time.

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Authors and Affiliations

  1. Universidad Central de Venezuela, Caracas, Venezuela

    Salvador Navarrete & José Luis Leyba

  2. Cleveland Clinic, Cleveland, OH, USA

    Salvador Navarrete Ll

  3. Clínica Sagrada Familia, Maracaibo, Venezuela

    Guillermo Borjas

  4. Clínica El Pilar, Barinas, Venezuela

    José León Tapia

  5. Advanced Laparoscopic Surgery, Clínica Santa Sofía, Caracas, Venezuela

    Ruben Alcázar

Authors
  1. Salvador Navarrete
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  2. José Luis Leyba
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  3. Salvador Navarrete Ll
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  4. Guillermo Borjas
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  5. José León Tapia
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  6. Ruben Alcázar
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Correspondence to Salvador Navarrete.

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The authors declare that they have no conflict of interest.

Ethical Approval

Approval from the local ethics committee and informed consent from all patients were obtained. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Navarrete, S., Leyba, J.L., Ll, S.N. et al. Results of The Comparative Study of 200 Cases: One Anastomosis Gastric Bypass vs Roux-en-Y Gastric Bypass. OBES SURG 28, 2597–2602 (2018). https://doi.org/10.1007/s11695-018-3224-x

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  • DOI: https://doi.org/10.1007/s11695-018-3224-x

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