title: Pulmonary Function after Weight Loss in Obese Women Undergoing Roux-en-Y Gastric Bypass: One-Year Followup.
abstract: Introduction. Obesity is a condition that causes damage to the respiratory function. However, studies have demonstrated that weight loss due to bariatric surgery has resulted in a huge improvement on some lung volumes, but controversy still persists regarding the behavior of the respiratory muscle strength and IRV (inspiratory reserve volume). Objective. To evaluate the effect of weight loss, after 1 year of the Roux-en-Y gastric bypass surgery (RYGB), on the lung volumes and the respiratory muscle strength in obese women. Methods. 24 obese women candidates were recruited for RYGB. Lung volumes (spirometry) and respiratory muscle strength were evaluated in preoperative period and one year after surgery. Results. There was a significant increase in some lung volumes. However, when examining the components of the VC (vital capacity) separately, an increase in ERV (expiratory reserve volume) and reduction of IRV were observed. Moreover, a statistically significant reduction in the values of respiratory muscle strength was recorded: MIP (maximal inspiratory pressure) and MEP (maximal expiratory pressure). Conclusion. Weight loss induced by bariatric surgery provides an increase in some lung volumes of obese women, but reduction in IRV. Additionally, there was also a reduction in the respiratory muscle strength.
authors.affiliation: Post Graduation Program of Physiotherapy of Federal University of São Carlos (UFSCar), Rod. Washington Luís, km 235, São Carlos, SP, Brazil ; Meridional Hospital, Av. São Joao Batista, n 200, Cariacica, ES, Brazil.
authors.forename: Marcela Cangussu
authors.initials: MC
authors.lastname: Barbalho-Moulim
authors.affiliation: Meridional Hospital, Av. São Joao Batista, n 200, Cariacica, ES, Brazil.
authors.forename: Gustavo Peixoto Soares
authors.initials: GP
authors.lastname: Miguel
authors.affiliation: Post Graduation Program of Physiotherapy of Methodist University of Piracicaba (UNIMEP), Rod. do Açúcar, km 156, Piracicaba, SP, Brazil.
authors.forename: Eli Maria Pazzianotto
authors.initials: EM
authors.lastname: Forti
authors.affiliation: Meridional Hospital, Av. São Joao Batista, n 200, Cariacica, ES, Brazil.
authors.forename: Flávio do Amaral
authors.initials: Fdo A
authors.lastname: Campos
authors.affiliation: Post Graduation Program of Physiotherapy of Nove de Julho University (UNINOVE), Av. Dr. Adolpho Pinto, n 109, Barra Funda, São Paulo, SP, Brazil.
authors.forename: Fabiana Sobral
authors.initials: FS
authors.lastname: Peixoto-Souza
authors.affiliation: Post Graduation Program of Physiotherapy of Federal University of São Carlos (UFSCar), Rod. Washington Luís, km 235, São Carlos, SP, Brazil ; Post Graduation Program of Physiotherapy of Nove de Julho University (UNINOVE), Av. Dr. Adolpho Pinto, n 109, Barra Funda, São Paulo, SP, Brazil.
authors.forename: Dirceu
authors.initials: D
authors.lastname: Costa