[Predictive factors of complications in abdominal sequelae surgery of weight loss, after bariatric surgery in non-smokers].

The goal of this work was to find the main predictive factors of postoperative complications, other than smoking, after abdominoplasty or bodylift concerning sequelae of post-bariatric weight loss. A retrospective monocentric study, including abdominoplasties or bodylift, after bariatric surgery was carried out between 01/01/2016 and 12/31/2019. The following were excluded: active smokers, non-bariatric patients and/or patients who had already had an abdominoplasty or body lift and/or who had undergone combined surgery. 105 patients were included (73 bodylifts, 32 abdominoplasties). 68% presented at least one complication. The majority of them only resulted in an extension of local care. The serious complication rate was 2.9%. The risk factors for complications were: a young subject (P=0.014), greater weight loss (P=0.03), longer delay between bariatric surgery and plastic surgery (P=0.0002), performing a bodylift versus an abdominoplasty (P<0.01), gastric banding (P=0.029). Conversely, the bypass appeared to be a factor limiting post-sequelae complications of weight loss (P=0.041). The predictive complication model from the multivariate study concludes that the type of plastic surgery and preoperative BMI play a major role in the risk of complications. Surgery for abdominal weight loss sequelae presents frequent but generally benign complications. Preoperative patient information must therefore be adapted according to initial obesity and the extent of weight loss.

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