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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/19798
Title: Predictors of sinus rhythm after radiofrequency maze and mitral valve surgery
Authors: Suchart Chaiyaroj
Tachapong Ngarmukos
Panuwat Lertsithichai
Mahidol University
Keywords: Medicine
Issue Date: 1-Jan-2008
Citation: Asian Cardiovascular and Thoracic Annals. Vol.16, No.4 (2008), 292-297
Abstract: The prevalence and predictors of postoperative sinus rhythm in patients undergoing a radiofrequency ablation maze operation and mitral valve surgery were assessed in 63 patients of whom 54 (86%) were in permanent atrial fibrillation. Operative mortality was 3.17%. At a median follow-up of 18 months, 54 (88.5%) patients were in sinus rhythm and 7 (11.5%) were in atrial fibrillation. The probability of sinus rhythm at 30 months was 92%. Left atrial diameter was the most significant prognostic factor for sinus rhythm on multivariate proportional-hazard regression analysis. The cutoff value of preoperative left atrial diameter for predicting persistent atrial fibrillation at 6 months was 6 cm (100% sensitivity and 73.6% specificity). The radiofrequency ablation maze operation can be performed in addition to mitral surgery with a high rate of successful conversion to sinus rhythm. Preoperative left atrial diameter < 6 cm is an important prognostic factor for sinus rhythm conversion.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=52649156122&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/19798
ISSN: 02184923
Appears in Collections:Scopus 2006-2010

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