Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.soard.2017.05.016
Title: Early weight loss after laparoscopic sleeve gastrectomy predicts midterm weight loss in morbidly obese Asians
Authors: Chew C.A.Z.
Tan I.J.-W.
Ng H.J.H.
Lomanto D. 
So J. 
Shabbir A. 
Keywords: Bariatric surgery
Laparoscopic sleeve gastrectomy
Remission of obesity-related co-morbidities
Issue Date: 1-Dec-2017
Publisher: Elsevier Inc.
Citation: Chew C.A.Z., Tan I.J.-W., Ng H.J.H., Lomanto D., So J., Shabbir A. (2017-12-01). Early weight loss after laparoscopic sleeve gastrectomy predicts midterm weight loss in morbidly obese Asians. Surgery for Obesity and Related Diseases 13 (12) : 1966-1972. ScholarBank@NUS Repository. https://doi.org/10.1016/j.soard.2017.05.016
Abstract: Background Laparoscopic sleeve gastrectomy (SG) is a popular bariatric procedure in morbidly obese Asians. Objectives To investigate the effect of initial weight loss on midterm weight maintenance and remission of co-morbidities after laparoscopic SG in morbidly obese Asians. Setting University Hospital, Singapore. Methods Data of patients who underwent laparoscopic SG were analyzed. Change in body mass index (BMI), percentage of total weight loss (%WL), and of excess weight loss (%EWL) was calculated and remission of obesity-related co-morbidities was examined. Linear regression analysis was performed to determine the effect of initial weight loss on successful weight maintenance. Receiver operative characteristic curve analysis was used to define optimal cutoff values. Results Two hundred and seventy-two patients were included in this study. Mean preoperative weight and BMI were 115.4�25.5 kg and 42.5�8.0 kg/m2, respectively. Mean follow-up duration was 27.6�16.4 months. Successful weight loss of>50% EWL was achieved by 65.7%, 65.5%, and 50.8% of patients at 1, 2, and 3 years, postoperatively. There was a significant correlation of %EWL at 3 months with %EWL up to 3 years (P?.005). Receiver operative characteristic analysis showed initial EWL of 35% at 3 months best predicted successful weight loss at 1 year (sensitivity 73.1%, specificity 81.4%). Patients achieving>35% EWL were significantly more likely to achieve remission of co-morbidities (P?.005) at 1 year after surgery. Conclusion Early weight loss at 3 months predicts weight maintenance up to 3 years and remission of co-morbidities at 1 year after laparoscopic SG in Asians. � 2017 American Society for Bariatric Surgery
Source Title: Surgery for Obesity and Related Diseases
URI: http://scholarbank.nus.edu.sg/handle/10635/146751
ISSN: 15507289
DOI: 10.1016/j.soard.2017.05.016
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