Efeitos da estimulação temporária atrial direita na prevenção da fibrilação atrial no pós-operatório de revascularização do miocárdio com circulação extracorpórea Effect of temporary right atrial pacing in prevention of atrial fibrillation after coronary artery bypass graft surgery Abstract Objective: To evaluated the effects of temporary atrial pacing to prevent the atrial fibrillation following coronary artery bypass graft surgery and the risk factors to the occurrence of this arrhytmia.Methods: We have studied 160 patients who, at the end of coronary artery bypass graft surgery, were submitted to epicardial electrode implantation in the right atrium lateral wall. They were randomized into two groups: non-pacing (NP) group and right atrial (RA) pacing group. The cardiac rhythm was monitorized over 72 hours following to the end of surgery and the variables studied were as follow: incidence of atrial fibrillation; the risk factors pre-, intra-, and postoperative for its occurrence, and postoperative events.Results: There were 21 (13.1%) episodes of atrial fibrillation, 20 in the NP group and one in the RA group. The relative risk (RR) for the development of atrial fibrillation was 0.18 (95% CI; 0.05-0.60) for the RA group 333 AVILA NETO, V ET AL -Effect of temporary right atrial pacing in prevention of atrial fibrillation after coronary artery bypass graft surgery Bras Cir Cardiovasc 2007; 22(3): 332-340
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Minimum incision techniques in cardiac surgery have been on the rise after their inclusion in videothoracoscopy.Video-assisted minimally invasive cardiac surgery is considered by many centers in the world to be the approach of choice for treatment of mitral and aortic valve diseases. The aim of this is study is to report a case of valve repair in a patient with mitral restenosis after surgical repair 12 years before. Through a minimally invasive and totally endoscopic procedure, it was possible to successfully perform a mitral commissurotomy with only videoscopic support, and without any incisions larger than those needed to introduce the trocars for instrumentation.Descriptors: Video-assist surgery. Cardiac surgical procedures/methods. Thoracic surgery, video-assisted/ methods. Mitral valve/surgery. Reoperation.
ResumoAs mínimas incisões na cirurgia cardíaca receberam um grande impulso após a inclusão da videotoracoscopia. Cirurgia cardíaca minimamente invasiva videoassistida é considerada hoje, por muitos centros no mundo, abordagem de escolha para tratamento das doenças na valva mitral e aórtica. Nosso objetivo é relatar um caso de reoperação, em uma paciente com reestenose mitral pós-plastia 12 anos antes. Através de um procedimento minimamente invasivo e totalmente endoscópico foi possível realizar com sucesso uma comissurotomia mitral, somente com apoio da videoscopia, sem incisões maiores do que as necessárias para introdução dos trocateres para instrumentação.Descritores: Cirurgia vídeo-assistida. Procedimentos cirúrgicos cardíacos/métodos. Cirurgia torácica vídeo-assistida/métodos. Valva mitral/cirurgia. Reoperação.This study was carried out at the Red Cross Hospital -Paraná -Rua
Temporary right atrial or biatrial pacing after CABG significantly decreased the postoperative incidence of AF. Multivariable analysis identified older age and no pacing as predictors of AF occurrence.
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