What predicts the unsuccess of bariatric surgery? An observational retrospective study

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ORIGINAL ARTICLE

What predicts the unsuccess of bariatric surgery? An observational retrospective study C. D’Eusebio1 · S. Boschetti2 · F. Rahimi2 · G. Fanni1 · A. De Francesco2 · M. Toppino3 · M. Morino3 · E. Ghigo1 · S. Bo1  Received: 28 May 2020 / Accepted: 18 August 2020 © The Author(s) 2020

Abstract Purpose  Bariatric surgery (BS) has been recognized as an effective treatment for most patients with morbid obesity, but a variable range of patients failed to achieve a successful weight-loss. Controversial data are available about predictors of unsuccess. We aimed to retrospectively assess whether clinical baseline characteristics of patients submitted to sleeve gastrectomy (SL) or gastric bypass (GBP) were associated with unsuccessful weight-loss after 12 and 24-month follow-up. Methods  Three hundred patients who underwent BS from the 1st January 2016, with at least 24-months follow-up, were enrolled. Patients were divided according to their percentage of excess weight-loss (%EWL) either