Assessment of the Body Composition and the Loss of Fat-Free Mass through Bioelectric Impedance Analysis in Patients Who Underwent Open Gastric Bypass

Background. Bariatric surgery is considered an effective option for the management of morbid obesity. The incidence of obesity has been gradually increasing all over the world reaching epidemic proportions in some regions of the world. Obesity can cause a reduction of up to 22% in the life expectanc...

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Main Authors: Wilson Rodrigues de Freitas Junior, Elias Jirjoss Ilias, Paulo Kassab, Roberto Cordts, Paulo Gustavo Porto, Francisco Cesar Martins Rodrigues, Mohamed Ibrahim Ali Taha, Paulo Carrara, Isabella de Carvalho Aguiar, Luis Vicente Franco de Oliveira, Osvaldo Castro, Carlos Alberto Malheiros
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1155/2014/843253
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author Wilson Rodrigues de Freitas Junior
Elias Jirjoss Ilias
Paulo Kassab
Roberto Cordts
Paulo Gustavo Porto
Francisco Cesar Martins Rodrigues
Mohamed Ibrahim Ali Taha
Paulo Carrara
Isabella de Carvalho Aguiar
Luis Vicente Franco de Oliveira
Osvaldo Castro
Carlos Alberto Malheiros
author_facet Wilson Rodrigues de Freitas Junior
Elias Jirjoss Ilias
Paulo Kassab
Roberto Cordts
Paulo Gustavo Porto
Francisco Cesar Martins Rodrigues
Mohamed Ibrahim Ali Taha
Paulo Carrara
Isabella de Carvalho Aguiar
Luis Vicente Franco de Oliveira
Osvaldo Castro
Carlos Alberto Malheiros
author_sort Wilson Rodrigues de Freitas Junior
collection DOAJ
description Background. Bariatric surgery is considered an effective option for the management of morbid obesity. The incidence of obesity has been gradually increasing all over the world reaching epidemic proportions in some regions of the world. Obesity can cause a reduction of up to 22% in the life expectancy of morbidly obese patients. Objective. The objective of this paper is to assess the weight loss associated with the first 6 months after bariatric surgery using bioelectric impedance analysis (BIA) for the evaluation of fat mass and fat-free mass. Method. A total of 36 morbidly obese patients were subjected to open gastric bypass surgery. The patients weight was monitored before and after the procedure using the bioelectric impedance analysis. Results. Bariatric surgery resulted in an average percentage of weight loss of 28.6% (40 kg) as determined 6 months after the procedure was performed. Analysis of the different components of body weight indicated an undesirable loss of fat-free mass along with the reduction of total body weight. Conclusion. Open gastric bypass induced a significant loss of total weight and loss of fat-free mass in patients six months after the surgery. The use of bioelectric impedance analysis resulted in an appropriate estimation of the total weight components in individuals subjected to bariatric surgery allowing a more real analysis of the variation of weight after the surgery.
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spelling doaj-art-e9495de1bf294011a2bc008abc4000372025-02-03T01:24:14ZengWileyThe Scientific World Journal2356-61401537-744X2014-01-01201410.1155/2014/843253843253Assessment of the Body Composition and the Loss of Fat-Free Mass through Bioelectric Impedance Analysis in Patients Who Underwent Open Gastric BypassWilson Rodrigues de Freitas Junior0Elias Jirjoss Ilias1Paulo Kassab2Roberto Cordts3Paulo Gustavo Porto4Francisco Cesar Martins Rodrigues5Mohamed Ibrahim Ali Taha6Paulo Carrara7Isabella de Carvalho Aguiar8Luis Vicente Franco de Oliveira9Osvaldo Castro10Carlos Alberto Malheiros11Gastric Surgery Division, Department of Surgery of Santa Casa of São Paulo Medical School, São Paulo, SP, BrazilGastric Surgery Division, Department of Surgery of Santa Casa of São Paulo Medical School, São Paulo, SP, BrazilGastric Surgery Division, Department of Surgery of Santa Casa of São Paulo Medical School, São Paulo, SP, BrazilGastric Surgery Division, Department of Surgery of Santa Casa of São Paulo Medical School, São Paulo, SP, BrazilGastric Surgery Division, Department of Surgery of Santa Casa of São Paulo Medical School, São Paulo, SP, BrazilGastric Surgery Division, Department of Surgery of Santa Casa of São Paulo Medical School, São Paulo, SP, BrazilGastric Surgery Division, Department of Surgery of Santa Casa of São Paulo Medical School, São Paulo, SP, BrazilDepartment of Epidemiology of Santa Casa of São Paulo Medical School, São Paulo, SP, BrazilMaster’s and Doctoral Programs in Rehabilitation Sciences, Nove de Julho University (UNINOVE), São Paulo, SP, BrazilMaster’s and Doctoral Programs in Rehabilitation Sciences, Nove de Julho University (UNINOVE), São Paulo, SP, BrazilGastric Surgery Division, Department of Surgery of Santa Casa of São Paulo Medical School, São Paulo, SP, BrazilGastric Surgery Division, Department of Surgery of Santa Casa of São Paulo Medical School, São Paulo, SP, BrazilBackground. Bariatric surgery is considered an effective option for the management of morbid obesity. The incidence of obesity has been gradually increasing all over the world reaching epidemic proportions in some regions of the world. Obesity can cause a reduction of up to 22% in the life expectancy of morbidly obese patients. Objective. The objective of this paper is to assess the weight loss associated with the first 6 months after bariatric surgery using bioelectric impedance analysis (BIA) for the evaluation of fat mass and fat-free mass. Method. A total of 36 morbidly obese patients were subjected to open gastric bypass surgery. The patients weight was monitored before and after the procedure using the bioelectric impedance analysis. Results. Bariatric surgery resulted in an average percentage of weight loss of 28.6% (40 kg) as determined 6 months after the procedure was performed. Analysis of the different components of body weight indicated an undesirable loss of fat-free mass along with the reduction of total body weight. Conclusion. Open gastric bypass induced a significant loss of total weight and loss of fat-free mass in patients six months after the surgery. The use of bioelectric impedance analysis resulted in an appropriate estimation of the total weight components in individuals subjected to bariatric surgery allowing a more real analysis of the variation of weight after the surgery.http://dx.doi.org/10.1155/2014/843253
spellingShingle Wilson Rodrigues de Freitas Junior
Elias Jirjoss Ilias
Paulo Kassab
Roberto Cordts
Paulo Gustavo Porto
Francisco Cesar Martins Rodrigues
Mohamed Ibrahim Ali Taha
Paulo Carrara
Isabella de Carvalho Aguiar
Luis Vicente Franco de Oliveira
Osvaldo Castro
Carlos Alberto Malheiros
Assessment of the Body Composition and the Loss of Fat-Free Mass through Bioelectric Impedance Analysis in Patients Who Underwent Open Gastric Bypass
The Scientific World Journal
title Assessment of the Body Composition and the Loss of Fat-Free Mass through Bioelectric Impedance Analysis in Patients Who Underwent Open Gastric Bypass
title_full Assessment of the Body Composition and the Loss of Fat-Free Mass through Bioelectric Impedance Analysis in Patients Who Underwent Open Gastric Bypass
title_fullStr Assessment of the Body Composition and the Loss of Fat-Free Mass through Bioelectric Impedance Analysis in Patients Who Underwent Open Gastric Bypass
title_full_unstemmed Assessment of the Body Composition and the Loss of Fat-Free Mass through Bioelectric Impedance Analysis in Patients Who Underwent Open Gastric Bypass
title_short Assessment of the Body Composition and the Loss of Fat-Free Mass through Bioelectric Impedance Analysis in Patients Who Underwent Open Gastric Bypass
title_sort assessment of the body composition and the loss of fat free mass through bioelectric impedance analysis in patients who underwent open gastric bypass
url http://dx.doi.org/10.1155/2014/843253
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