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Long-Term Results of One Anastomosis Gastric Bypass: a Single Center Experience with a Minimum Follow-Up of 10 Years

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Abstract

Purpose

The purpose of this study was to evaluate the efficacy and safety of the OAGB at least 10 years after surgery.

Material and Methods

We retrospectively reviewed our prospectively collected data on consecutive morbid patients with obesity receiving OAGB from January 2005 to December 2007.

Results

A total of 385 patients met the inclusion criteria. The mean follow-up was 149 months. Of all patients, 52% underwent OAGB as a primary procedure and 48% as a revisional procedure. At the 10-year follow-up, the mean body mass index (BMI) was 30.7 ± 11.8, the mean %TWL was 33.4 ± 10.6, and the mean %EWL was 64.1 ± 24.6. We did not find a significant statistical difference in terms of weight loss between primary OAGB and secondary OAGB. In total, 43% of patients achieved a %EWL greater than 75%, while 29% of the patients had an EWL% that was below 50%. All of the comorbidities related to obesity showed a high improvement or fully resolved. Early complications occurred in 9 patients (2.3%), while the overall rate of late complications was 17.1%. Nineteen patients (4.9%) developed an ulcer at the gastrojejunal anastomosis level, nine patients (2.3%) were re-hospitalized for major malnutrition, thirty-eight patients (9.8%) showed a postoperative biliary reflux, and five patients (2.7%) experienced severe anemia, which required several hospitalizations for iron I.V. supplementation.

Conclusion

According to results of the present study, we believe that OAGB has shown to be a technique with a reasonable balance between long-term efficacy and undesirable sequelae.

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Authors and Affiliations

  1. ELSAN, Clinique Saint Michel, Centre Chirurgical de l’Obésité (CCO), 83100, Toulon, France

    Sergio Carandina & Viola Zulian

  2. Department of Digestive and Bariatric Surgery, Clinica Madonna della Salute, 45014, Porto Viro, Italy

    Sergio Carandina

  3. Toulon, France

    Sergio Carandina

  4. Department of Digestive and Bariatric Surgery, Clinique Geoffroy-Saint Hilaire, Générale de Santé (GDS), 75005, Paris, France

    Antoine Soprani & Jean Cady

Authors
  1. Sergio Carandina
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  2. Antoine Soprani
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  3. Viola Zulian
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  4. Jean Cady
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For this type of study, informed consent does not apply.

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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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The authors declare no competing interests.

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Carandina, S., Soprani, A., Zulian, V. et al. Long-Term Results of One Anastomosis Gastric Bypass: a Single Center Experience with a Minimum Follow-Up of 10 Years. OBES SURG 31, 3468–3475 (2021). https://doi.org/10.1007/s11695-021-05455-1

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  • DOI: https://doi.org/10.1007/s11695-021-05455-1

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