期刊
OBESITY SURGERY
卷 26, 期 11, 页码 2712-2717出版社
SPRINGER
DOI: 10.1007/s11695-016-2163-7
关键词
Obesity; Bariatric surgery; Weight loss; Body mass index; Roux-en-Y gastric bypass; Sleeve gastrectomy
类别
Determining the best indicator to report weight loss takes on special relevance following bariatric surgery. Our objective is to apply a method proposed by Baltasar et al. to express weight loss results following bariatric surgery. Anthropometric data were collected from 265 patients who had undergone Sleeve gastrectomy (SG, n = 172) and Roux-en-Y gastric bypass (RYGBP, n = 93) with a 2-year follow-up period. Initial BMI was calculated as well as BMI 2 years after, percentage of excess BMI loss (PEBMIL), expected BMI (EBMI), and corrected PEBMIL. In SG group, average BMI 2 years after surgery fell within a 95 % CI of expected BMI, with an average BMI of 31.58 +/- 4.05 kg/m(2) in 35-45 BMI group, an average BMI of 33.62 +/- 4.96 kg/m(2) in 45-55 BMI group, and an average BMI of 37.40 +/- 5.93 kg/m(2) in 55-65 BMI group. In RYGBP group, average BMI 2 years after the surgery was below than average expected BMI (28.76 +/- 3.20 kg/m(2) in 35-45 BMI group and 29.71 +/- 3.30 kg/m(2) in 45-55 BMI group). Results are considered excellent for the group with an initial BMI of above 45 kg/m(2). EBMI is a good weight loss indicator, mainly when 95 % CI is taken into account. EBMI is consistent with the results obtained 2 years after surgery in our patients who underwent SG and RYGBP. Corrected PEBMIL is a good indicator for expressing the percentage of BMI loss and offers more realistic values than conventional formula with a cut-off point of 25 points.
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