eISSN: 2299-0054
ISSN: 1895-4588
Videosurgery and Other Miniinvasive Techniques
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vol. 9
Original paper

Comparison of percentage excess weight loss after laparoscopic sleeve gastrectomy and laparoscopic adjustable gastric banding

Andrzej Lehmann
Maciej Bobowicz
Paweł Lech
Michał Orłowski
Wiaczesław Siczewski
Maciej Pawlak
Dariusz Świetlik
Mieczysław Witzling
Michalik Maciej

Videosurgery Miniinv 2014; 9 (3): 351–356
Online publish date: 2014/07/23
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Introduction: Laparoscopic sleeve gastrectomy (LSG) and laparoscopic adjustable gastric banding (LAGB) are acceptable options for primary bariatric procedures in patients with body mass index (BMI) 35–55 kg/m2.

Aim: The aim of this study is to compare the effects of these two bariatric procedures 6, 12 and 24 months after surgery.

Material and methods: Two hundred and two patients were included 72 LSG and 130 LAGB patients. The average age was 38.8 ±11.9 and 39.4 ±10.4 years in LSG and LAGB groups, with initial BMI of 44.1 kg/m2 and 45.2 kg/m2, p = NS.

Results: The mean percentage of excess weight loss (%EWL) at 6 months for LSG vs. LAGB was 36.3% vs. 30.1% (p = 0.01) and at 12 months was 43.8% vs. 34.6% (p = 0.005). The greatest difference in the mean %EWL at 12 months was observed in patients with initial BMI of 40–49.9 kg/m2 in favor of LSG (47.5% vs. 35.6%; p = 0.01). Two years after surgery there was no advantage of LSG and in the subgroup of patients with BMI 50–55 kg/m2 there was a trend in favor of LAGB (57.2% vs. 30%; p = 0.07). The multiple regression model of independent variables (age, gender, initial BMI and the presence of comorbidities) proved insignificant in prediction of the best outcome in means of %EWL for either operative modality. None of these factors in the logistic regression model could determine the type of surgery that should be used in particular patients.

Conclusions: During the first 2 years after surgery, the best results were obtained in women with lower BMI undergoing LSG surgery. The LSG provides greater %EWL after a shorter period of time though the difference decreases in time.

obesity, laparoscopic sleeve gastrectomy, excess weight loss, comparison, laparoscopic adjustable gastric banding, treatment outcomes

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