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      The impact of selected factors on parameters of weight loss after sleeve gastrectomy

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          Abstract

          Introduction

          The effectiveness of sleeve gastrectomy has been confirmed in many studies. The impact of individual factors on the parameters of weight loss is still not clear.

          Aim

          To identify important factors affecting the parameters of weight loss after sleeve gastrectomy.

          Material and methods

          The impact of prognostic factors and postoperative care components on body mass index (BMI) and percentage excess weight loss (%EWL) was assessed in a group of 100 consecutive patients who underwent laparoscopic sleeve gastrectomy.

          Results

          The baseline BMI and body mass in patients with BMI < 30 kg/m 2 and BMI ≥ 30 kg/m 2 12 months after surgery were, respectively, 39.7 ±3.2 vs. 45.9 ±4.6 kg/m 2, p < 0.0001, and 114.4 ±16.8 vs. 130.3 ±18.5 kg, p < 0.0001. In the group with EWL < 50%, the average age was 47.1 ±7.7 vs. 40.6 ±10.8 in the group with EWL ≥ 50%, p = 0.0025. In the group of patients with preoperative weight loss, %EWL was 61.4 ±17.2 vs. 53.3 ±19.3% in the group with no weight loss, p = 0.0496. Body mass index of the patients who started physical activities was 30.6 ±4.2 kg/m 2 vs. 34.0 ±5.6 kg/m 2 in the patients with no physical activity, p = 0.0013, and %EWL was 63.4 ±14.6 vs. 47.0 ±19.9%, p < 0.0001, respectively. In the case of patients regularly consulted by a dietician BMI was 30.6 ±4.2 kg/m 2 vs. 35.1 ±5.5 kg/m 2 in the group without systematic consultations, p < 0.0001, and %EWL was 63.1 ±15.1% vs. 42.3 ±18.2%, p < 0.0001.

          Conclusions

          Lower baseline body weight parameters, younger age, preoperative weight loss, starting systematic physical activities and constant care of a dietician were conducive to achieving better results of surgery, as assessed on the basis of changes in BMI and %EWL.

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          Most cited references38

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          Metabolic/bariatric surgery worldwide 2011.

          Metabolic/bariatric procedures for the treatment of morbid obesity, as well as for type 2 diabetes, are among the most commonly performed gastrointestinal operations today, justifying periodic assessment of the numerical status of metabolic/bariatric surgery and its relative distribution of procedures. An email questionnaire was sent to the leadership of the 50 nations or national groupings in the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO). Outcome measurements were numbers of metabolic/bariatric operations and surgeons, types of procedures performed, and trends from 2003 to 2008 to 2011 worldwide and in the regional groupings of Europe, USA/Canada, Latin/South America, and Asia/Pacific. Response rate was 84%. The global total number of procedures in 2011 was 340,768; the global total number of metabolic/bariatric surgeons was 6,705. The most commonly performed procedures were Roux-en-Y gastric bypass (RYGB) 46.6%; sleeve gastrectomy (SG) 27.8%; adjustable gastric banding (AGB) 17.8%; and biliopancreatic diversion/duodenal switch (BPD/DS) 2.2%. The global trends from 2003 to 2008 to 2011 showed a decrease in RYGB: 65.1 to 49.0 to 46.6%; an increase, followed by a steep decline, in AGB: 24.4 to 42.3 to 17.8%; and a marked increase in SG: 0.0 to 5.3 to 27.89%. BPD/DS declined: 6.1 to 4.9 to 2.1%. The trends from the four IFSO regions differed, except for the universal increase in SG. Periodic metabolic/bariatric surgery surveys add to the knowledge and understanding of all physicians caring for morbidly obese patients. The salient message of the 2011 assessment is that SG (0.0% in 2008) has markedly increased in prevalence.
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            Clinical guidelines on the identification, evaluation, and treatment of overweight and obesity in adults: executive summary. Expert Panel on the Identification, Evaluation, and Treatment of Overweight in Adults.

            (1998)
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              Long-term weight regain after gastric bypass: a 5-year prospective study.

              A certain weight gain occurs after obesity surgery compared to the lower weight usually observed between 18 and 24 months postsurgery. The objective of this study was to evaluate weight regain in patients submitted to gastric bypass over a 5-year follow-up period. A longitudinal prospective study was conducted on 782 obese patients of both genders. Only patients with at least 2 years of surgery were included. The percentage of excess body mass index (BMI) loss at 24, 36, 48, and 60 months postsurgery was compared to the measurements obtained at 18 months after surgery. Surgical therapeutic failure was also evaluated. Percent excess BMI loss was significant up to 18 months postsurgery (p < 0.001), with a mean difference in BMI of 1.06 kg/m2 compared to 12 months postsurgery. Percent BMI loss was no longer significant after 24 months, and weight regain became significant within 48 months after surgery (p < 0.01). Among the patients who presented weight regain, a mean 8% increase was observed within 60 months compared to the lowest weight obtained at 18 months after surgery. The percentage of surgical failure was higher in the superobese group at all times studied, reaching 18.8% at 48 months after surgery. Weight regain was observed within 24 months after surgery in approximately 50% of patients. Both weight regain and surgical failure were higher in the superobese group. Studies in regard to metabolic and hormonal mechanisms underlying weight regain might elucidate the causes of this finding.
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                Author and article information

                Journal
                Wideochir Inne Tech Maloinwazyjne
                Wideochir Inne Tech Maloinwazyjne
                WIITM
                Videosurgery and other Miniinvasive Techniques
                Termedia Publishing House
                1895-4588
                2299-0054
                30 December 2016
                2016
                : 11
                : 4
                : 288-294
                Affiliations
                Department of General, Oncological and Digestive Tract Surgery, Medical Centre of Postgraduate Education, Orlowski Hospital, Warsaw, Poland
                Author notes
                Address for correspondence Artur Binda MD, PhD, Department of General, Oncological and Digestive Tract Surgery, Medical Centre of Postgraduate Education, Orlowski Hospital, 231 Czerniakowska St, 00-416 Warsaw, Poland. phone: +48 601 34 20 16, +48 22 58 41 130, fax: +48 22 622 78 33. e-mail: quiz0@ 123456interia.pl
                Article
                29055
                10.5114/wiitm.2016.64999
                5299089
                73168025-7c5e-4860-9f12-be2f8d505a47
                Copyright: © 2016 Fundacja Videochirurgii

                This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License, allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material, provided the original work is properly cited and states its license.

                History
                : 20 November 2016
                : 11 December 2016
                Categories
                Original Paper

                sleeve gastrectomy,outcomes,prognostic factors,postoperative care

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