Preoperative hospitalization with the purpose to obtain more effective weight loss provides intensive care for patients who have a higher body mass index (BMI) and associated diseases that involve a greater risk of peri- and postoperative complications. It is a therapeutic strategy that can make it possible to overcome obstacles related to the difficulty of adhering to obesity treatment.
To analyze the implementation of a preoperative hospitalization strategy for weight loss in patients eligible for bariatric surgery.
Retrospective study that included 194 patients with a BMI=50 kg/m2. They were grouped according to preoperative preparation strategies: inpatient (n=32) and outpatient (n=162), who underwent Roux-en-Y gastric bypass (RYGB) or sleeve gastrectomy (SG) between 2010 and 2020. The groups were compared regarding preoperative weight loss before and after the strategies and postoperative up to two years after surgery.
Most patients were female and there were significant differences in age group (an average of 42.94 years in the preoperative hospitalization strategy group and 37.73 in the outpatient strategy group). The mean BMI in the hospitalized group was 63.01±8.72 kg/m2, and in the outpatient group it was 54.95±4.31 kg/m2. There was a significant difference only between initial and preoperative weight in the hospitalized group. Furthermore, the difference between initial weight and last recorded weight up to two years after surgery was significant in each group. The occurrence of associated diseases was higher in the outpatient group.
Patients following the preoperative hospitalization strategy experienced significant weight loss before surgery.
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