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Proposta de escore de risco para predição de fibrilação atrial após cirurgia cardíaca

2010; Brazilian Society of Cardiovascular Surgery; Volume: 25; Issue: 2 Linguagem: Inglês

10.1590/s0102-76382010000200009

1678-9741

Rogério Gomes da Silva, Gustavo Glotz de Lima, Nelma Guerra, André Vicente Bigolin, Lucas Célia Petersen,

Atrial Fibrillation Management and Outcomes

Atrial fibrillation (AF) is a common complication following cardiac surgery and is associated with an increased patient morbidity and mortality. The objective of this study was to develop a risk index proposal to predict AF after cardiac surgery.A prospective observational study in that 452 patients were selected to assess the incidence and risk factors associated with postoperative AF. Only patients following cardiac surgery were selected. Continuous cardiac monitor and daily electrocardiogram were assessed. The most associated in a multivariable logistic model were selected for the risk index.The average incidence of AF was 22.1%. The most associated factors with AF were: patients older than 75 years of age, mitral valve disease, no use of a beta blocker, withdrawal of a beta-blocker and a positive fluid balance. The absence risk factor determined 4.6% chance to postoperative AF, and for one, two and three or more risk factors, the chance was 16.6%, 25.9% and 46.3%, respectively.In a multivariable logistic model was possible to develop a risk index proposal to predict postoperative AF with a major risk of 46.3% in the presence of three or more risk factors.