ISSN: 2165-7904

Journal of Obesity & Weight Loss Therapy
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  • Research Article   
  • J Obes Weight Loss Ther 11: 442,
  • DOI: 10.4172/2165-7904.1000442

Factors Influencing Weight Loss after Bariatric Surgery: A Multivariate Analysis

Rawan ElAbd1*, Dana Al-Tarrah2, Sulaiman Almazeedi3, Khaled Alyaqout3, Evangelos Efthimiou4 and Salman Al-Sabah5
1Faculty of Medicine, Kuwait University, Kuwait
2Faculty of Public Health, Kuwait University, Kuwait
3Department of Surgery, Jaber Al-Ahmad Hospital, Kuwait
4Department of Surgery, Chelsea and Westminster Hospital, UK
5Department of Surgery, Kuwait University, Kuwait
*Corresponding Author : Rawan ElAbd, Faculty of Medicine, Kuwait University, Kuwait, Tel: 95595599, Email: rawanela@gmail.com

Received Date: May 10, 2021 / Accepted Date: May 24, 2021 / Published Date: May 31, 2021

Abstract

Introduction: Obesity is a major public health concern due to its association with the development of obesityrelated comorbidities. The aim of this study is to identify the potential relationship between pre-operative patient-related factors with weight loss at 1 and 3 years following Laparoscopic Roux-en-Y gastric bypass (LRYGB), Laparoscopic Sleeve Gastrectomy (LSG) or laparoscopic Adjustable Gastric Banding (LAGB).

Methods: A retrospective cohort study was carried out on 1,210 patients with obesity who underwent primary bariatric surgery at Chelsea and Westminster Hospital NHS Trust between September 1999 and May 2017.

Results: The study sample included 1210 participants. The mean age was 45.3 ± 11.3 years. Females represented 78.3% (n=948) of the sample. The mean BMI at initial assessment was 47.6 ± 7.47 kg/m2. LRYGB was found to be the most effective followed by LSG then LAGB at 1 and 3 years as evidenced by higher number of patients having %EWL>50 (P<0.001). After adjusting for confounders, older age, higher initial BMI, black ethnicity, diabetes, and Obstructive Sleep Apnea (OSA) were associated with suboptimal weight loss. The presence of hypertension, smoking, and gender were not associated with %EWL or TBWL% at any time point.

Conclusion: Patient age, race, type of surgery, pre-operative BMI, and co-morbidity status influence weight loss after bariatric surgery, with older age, black ethnicity, LAGB, higher initial BMI, diabetes, and OSA predicting a lower weight loss in the short and medium term. Hypertension, smoking, and gender did not seem to influence weight loss in our study. The study findings could alert the surgeon to take more aggressive measures towards patients with risk factors, in part, by choosing a more effective bariatric procedure.

Keywords: Bariatric Surgery; BMI; Weight loss; Obesity

Citation: ElAbd R, Al-Tarrah D, Almazeedi S, Alyaqout K, Efthimiou E, et al. (2021) Factors Influencing Weight Loss after Bariatric Surgery: A Multivariate Analysis. J Obes Weight Loss Ther 11: 442. Doi: 10.4172/2165-7904.1000442

Copyright: © 2021 ElAbd R, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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