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Although bariatric surgery is highly effective for the treatment of obesity and its comorbidities, preoperative weight loss has an impact on its results.
Although bariatric surgery is highly effective for the treatment of obesity and its comorbidities, preoperative weight loss has an impact on its results.
The aim of this study was to correlate preoperative weight loss with the outcome of bariatric surgery using the Bariatric Analysis and Reporting Outcome System scores.
This is a cross-sectional, observational study with 43 patients undergoing bariatric surgery that compared a group of 25 patients with a percentage of preoperative excess weight loss ³8% with a group of 18 patients with a percentage of preoperative excess weight loss <8% or with weight gain. The research took place at the bariatric surgery outpatient clinic of the Oswaldo Cruz University Hospital with patients 1 year after the surgery.
Patients had a mean age of 40.8 years (42.7 percentage of preoperative excess weight loss ≥8% vs. 38.2 percentage of preoperative excess weight loss <8%, p=0.095). No significant difference was found between the two groups regarding preoperative comorbidities and body mass index at entry into the program. Higher preoperative body mass index (48.69 vs. 44.0; p=0.029) was observed in the group with percentage of preoperative excess weight loss <8%. No significant difference was found regarding the percentage of excess weight loss (71.4±15.4%; percentage of preoperative excess weight loss ≥8% vs. 69.47%±14.5 percentage of preoperative excess weight loss <8%; p=0.671), the result of the surgery according to the Bariatric Analysis and Reporting Outcome System scores protocol, the resolution of comorbidities, the quality of life, and the surgical complications between the two groups.
Based on the available data, it is reasonable that bariatric surgery should not be denied to people who have not achieved pre-established weight loss before surgery.
Developed by Surya MKT