Different Criteria for Assessment of Roux-en-Y Gastric Bypass Success: Does Only Weight Matter?
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RESEARCH ARTICLE
Different Criteria for Assessment of Roux-en-Y Gastric Bypass Success: Does Only Weight Matter? Maria de Fátima Haueisen Sander Diniz & Valéria Maria de Azeredo Passos & Sandhi Maria Barreto & Daniela Barreto Linares & Soraya Rodrigues de Almeida & Alexandre Lages Savassi Rocha & Marco Túlio Costa Diniz
Received: 10 May 2008 / Accepted: 6 August 2008 / Published online: 30 August 2008 # Springer Science + Business Media, LLC 2008
Abstract Background Medium and long-term efficacy of Roux-en-Y gastric bypass (RYGBP) has previously been demonstrated. However, weight-loss success criteria could be influenced by super-obesity prevalence at baseline. Here, we describe a 5-year follow-up concerning weight loss results, comorbidities, and mortality of a RYGBP Brazilian population with a high prevalence (60.6%) of super-obesity. Methods One hundred ninety-three patients (142 female, 51 male) submitted to RYGBP were studied. Preoperative and follow-up body mass index (BMI), percent excess weight loss (%EWL), percent BMI loss (%EBL), and comorbidities
were analyzed. Analysis of success was based on %EWL, Reinhold modified by Christou, and Biron criteria. Results Five-year follow-up rates were 91.9%, 82.0%, 71.1%, 71.2%, 72.5%, respectively. By 2 years of follow-up, the rates of success based on %EWL, Reinhold modified by Christou, and Biron criteria were 90.4%, 63.4%, and 87.0%, respectively. By 5 years, these rates were 78.0%, 50.0%, and 74.0%, respectively. There was significant and persistent reduction of hypertension, diabetes mellitus, and dyslipidemia. Super-obesity was associated with the worst weight-loss results by modified Reinhold criteria, despite a significant reduction of comorbidities.
M. d. F. H. S. Diniz : V. M. d. A. Passos Departamento de Clínica Médica, Faculdade de Medicina e Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
S. R. de Almeida : M. T. C. Diniz Departamento de Cirurgia, Faculdade de Medicina e Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
M. d. F. H. S. Diniz Serviço de Endocrinologia e Metabologia, Faculdade de Medicina e Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
S. R. de Almeida : A. L. S. Rocha : M. T. C. Diniz Instituto Alfa de Gastroenterologia, Faculdade de Medicina e Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
S. M. Barreto Departamento de Medicina Social e Preventiva, Faculdade de Medicina e Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil V. M. d. A. Passos : S. M. Barreto CNPq, Conselho Nacional de Desenvolvimento Científico e Tecnológico e membro do Centro Colaborador de Doenças Crônicas do Ministério da Saúde do Brasil, Faculdade de Medicina e Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
D. B. Linares Departamento de Medicina, Faculdade de Medicina
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