Abstract
At least 25 metabolic/bariatric procedures have been proposed globally, 5 formally endorsed. A newer procedure, sleeve gastrectomy with transit bipartition (SG + TB), appears to markedly reduce weight and improve metabolic syndrome while being relatively simple technically and protective of long-term nutritional stability. We aimed to investigate SG + TB effectiveness and safety. In a single-center retrospective analysis of prospectively collected data, SG + TB patients were followed through 12months. Primary outcomes were changes in weight [body mass index (BMI), total weight loss (TWL)], metabolic parameters [HbA1C, LDL cholesterol, triglycerides (TG), hypertension], and nutritional status. Repeated-measures analysis of variance (ANOVA) was used to assess changes in weight and metabolic parameters at 1, 3, 6, 9, and 12months after surgery. Between 2015 and 2019, 883 patients (mean age 51.8yrs, BMI 34.1 ± 5.0kg/m2) underwent SG + TB. Mean operative time was 124 ± 25.4min; hospitalization, 4.0 ± 2.5days. ANOVA indicated significant reductions in weight and metabolic parameters (p < 0.005). In 646 patients with complete weight data at 12months, mean BMI was reduced to 27.2 ± 3.4kg/m2 (p < 0.001), TWL 19.8 ± 6.0%. HbA1C was normalized in 83.3% of SG + TB patients; hyperlipidemia, hypertension, and hypertriglyceridemia were significantly reduced (p < 0.001). Also, there was a significant reduction in the proportion of patients outside normal nutritional reference ranges. The overall complication rate was 10.2%. There was no mortality. In a series of 833 lower-BMI patients who underwent SG + TB and were followed through 12months (73.2% follow-up), significant weight loss, comorbidity reduction, and nutritional stability were attained with few major complications and no mortality.
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