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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Changes in Physical Activities and Body Composition after Roux-Y Gastric Bypass Surgery

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Author(s):
Crisp, Alex Harley [1] ; Verlengia, Rozangela [2] ; Ravelli, Michele Novaes [1] ; Rasera Junior, Irineu [3, 4] ; Marques de Oliveira, Maria Rita [5, 1]
Total Authors: 5
Affiliation:
[1] Univ Estadual Paulista UNESP, Programa Pos Grad Alimentos & Nutr Ciencias Nutr, Araraquara, SP - Brazil
[2] Univ Metodista Piracicaba UNIMEP, Piracicaba, SP - Brazil
[3] Hosp Fornecedores Cana, Ctr Gastroenterol & Cirurgia Obesidade Clin Baria, Piracicaba, SP - Brazil
[4] Univ Estadual Paulista UNESP, Fac Med, Botucatu, SP - Brazil
[5] Univ Estadual Paulista UNESP, Inst Biociencias, Botucatu, SP - Brazil
Total Affiliations: 5
Document type: Journal article
Source: OBESITY SURGERY; v. 28, n. 6, p. 1665-1671, JUN 2018.
Web of Science Citations: 3
Abstract

Given the importance of physical activities for health outcomes, it is still unclear whether bariatric surgery per se and the standard care after surgery would result in an increase of physical activity level. This study aimed to determine physical activities preoperatively and at 6 and 12 months postoperatively among female patients who underwent bariatric surgery, and to investigate its relationship with body composition changes. Thirty-four women who had Roux-Y gastric bypass (RYGB) surgery completed the study. Physical activity was measured objectively for 7 consecutive days by using an ActiGraph GT3X+ accelerometer. Body composition was estimated by using multifrequency bioimpedance analysis. The percentage of time spent in moderate-to-vigorous physical activity (MVPA) changed significantly from preoperatively to 6 months postoperatively; however, no difference was observed at 12 months. No significant changes were detected for other physical activity variables. Multivariable regression analysis suggested that the percentage of time spent in sedentary activity was associated with fat-free mass loss at 6 months (beta = - 0.323; 95% CI = - 0.649 to 0.003) and 12 months (beta = - 0.510; 95% CI = - 0.867 to - 0.154) postoperatively. The overall MVPA increased at 6 months post-RYGB surgery; however, this change was not maintained at 12 months. Despite the considerable body mass loss postoperatively, most of the subjects were classified as being physically inactive and did not change their sedentary behavior. These findings indicate that female patients undergoing bariatric surgery should be encouraged to increase their physical activity level. (AU)

FAPESP's process: 13/04420-4 - Assessment of the influence of metabolic and genetic factors on energy homeostasis after bariatric surgery
Grantee:Maria Rita Marques de Oliveira
Support Opportunities: Regular Research Grants