Predictors of sinus rhythm after radiofrequency maze and mitral valve surgery
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.
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Predictors of atrial fibrillation recurrence after surgery include left atrial dilatation, older age, >10-year history of atrial fibrillation, and non-paroxysmal atrial fibrillation.
“Predictors of AF recurrence after surgery include left atrial dilatation, older age, > 10-year history of AF, and non-paroxysmal AF. [800][801][802][803][804]”
From 2016 ESC Guidelines for the management of atrial fibrillation developed in collaboration with EACTS (2016) · cites this paper as [802]
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- Authors
- Chaiyaroj, S., Ngarmukos, T., & Lertsithichai, P.
- Affiliations
- Mahidol University (TH)
- Corresponding author
- Chaiyaroj, Suchart
- Venue
- Asian Cardiovascular and Thoracic Annals
- Publisher
- SAGE Publications
- Published
- 2008-08
- Volume
- 16
- Issue
- 4
- Pages
- 292-297
- ISSN
- 0218-4923 (ISSN-L)
- 1816-5370
- OpenAlex
- W2127230784
- Cited by
- 22
- References
- 18
- Citations by year
- 2022: 2 · 2021: 3 · 2020: 3 · 2019: 1 · 2018: 2 · 2016: 3 · 2015: 3 · 2014: 1 · 2013: 1 · 2012: 2
- FWCI
- 0.24
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Asian Cardiovascular and Thoracic Annals (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Atrial Fibrillation Management and Outcomes
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Arrhythmias and Treatments
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac pacing and defibrillation studies
- Keywords
- sinus rhythm, radiofrequency ablation, mitral valve surgery, atrial fibrillation, left atrial diameter, prognostic factors, persistent atrial fibrillation, conversion to sinus rhythm, left atrial appendage
- MeSH terms
- Atrial Fibrillation, Electrocardiography, Female, Follow-Up Studies, Heart Rate, Heart Valve Diseases, Humans, Male, Middle Aged, Mitral Valve, Postoperative Period, Prognosis, Retrospective Studies, Time Factors, Catheter Ablation, Heart Valve Prosthesis Implantation
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