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RETRACTED ARTICLE: Long-term follow-up after sleeve gastrectomy versus Roux-en-Y gastric bypass versus one-anastomosis gastric bypass: a prospective randomized comparative study of weight loss and remission of comorbidities

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This article was retracted on 16 January 2021

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Abstract

Background

One-Anastomosis Gastric Bypass (OAGB) has exponentially increased in the last decade, as it is associated with very low complications, mortality, readmissions and reoperations rates, and shows excellent short- and long-term benefits of weight loss and resolution of comorbidities. The aim of this study was to compare the effect of SG, RYGB, and OAGB, on short- and long-term weight loss and comorbidities resolution.

Methods

A prospective randomized clinical study of all morbidly obese patients undergoing SG, RYGB, and OAGB, as primary bariatric procedures, was performed. Patients were randomly assigned into 3 groups: those patients undergoing SG, those ones undergoing RYGB and those ones undergoing OAGB. BMI, excess BMI loss (EBMIL) and remission of type 2 diabetes (T2DM), hypertension (HT), and dyslipidemia (DL) were assessed.

Results

600 patients were included in the study, 200 in each group. Follow-up rate at 5 years postoperatively was 91% in SG group, 92% in RYGB, and 90% in OAGB. OAGB achieves significantly greater EBMIL than RYGB and SG at 1, 2, and 5 years (p < 0.001, respectively). At 5 years, OAGB achieves significantly greater remission of T2DM (p = 0.027), HT (p = 0.006), and DL (p < 0.001) than RYGB and SG. RYGB did not show significant superiority than SG in short- and long-term remission of T2DM and HT, but achieves greater remission of DL (p < 0.001).

Conclusion

OAGB achieves superior mid- and long-term weight loss than RYGB and SG. There are no significant differences in weight loss between SG and RYGB at 1, 2, and 5 years. OAGB achieves better short- and long-term resolution rates of DM, HT, and DL than SG and RYGB. RYGB and SG obtain similar T2DM and HT remissions, but RYGB reaches significantly greater rates of DL remission. ClinicalTrials.gov Identifier: NCT03467646.

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Authors and Affiliations

  1. Bariatric Surgery Unit, Centro de Excelencia para el Estudio y Tratamiento de la Obesidad, Valladolid, Spain

    Jaime Ruiz-Tovar, Miguel Angel Carbajo, Jose Maria Jimenez, Maria Jose Castro, Gilberto Gonzalez, Javier Ortiz-de-Solorzano & Lorea Zubiaga

  2. Bariatric Surgery Unit, General University Hospital Elche, Alicante, Spain

    Jaime Ruiz-Tovar & Lorea Zubiaga

Authors
  1. Jaime Ruiz-Tovar
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  2. Miguel Angel Carbajo
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  3. Jose Maria Jimenez
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  4. Maria Jose Castro
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  5. Gilberto Gonzalez
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  6. Javier Ortiz-de-Solorzano
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  7. Lorea Zubiaga
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Corresponding author

Correspondence to Jaime Ruiz-Tovar.

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Disclosures

Jaime Ruiz-Tovar, Miguel Angel Carbajo, Jose Maria Jimenez, Maria Jose Castro, Gilberto Gonzalez, Javier Ortiz-de-Solorzano, Lorea Zubiaga have no conflicts of interest or financial ties to disclose.

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Ruiz-Tovar, J., Carbajo, M.A., Jimenez, J.M. et al. RETRACTED ARTICLE: Long-term follow-up after sleeve gastrectomy versus Roux-en-Y gastric bypass versus one-anastomosis gastric bypass: a prospective randomized comparative study of weight loss and remission of comorbidities. Surg Endosc 33, 401–410 (2019). https://doi.org/10.1007/s00464-018-6307-9

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  • DOI: https://doi.org/10.1007/s00464-018-6307-9

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