ArticleCardiovascular journal of Africa
Outcome of concomitant left atrial ablation during valvular heart surgery: an African perspective.
Article in Cardiovascular journal of Africa. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors at 1 institution in 1 country.
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Abstract
objectivesThe aim of this study was to determine the success rates of left atrial radiofrequency cardiac ablation for atrial fibrillation during heart valve surgery.
methodsThis was a three-year retrospective study of 53 patients who had valve surgery and cardio-ablation. Immediate and long-term overall outcomes were analysed at three, six, nine, 12 and 24 months. The results were tested for significance by comparing to a chance outcome (50:50 probability) using the Z-test for the normal approximation of the binomial distribution.
resultsA total of 56.9% of patients converted immediately to sinus rhythm, with that number increasing over time. Pre-operative poor ejection fraction was the only predictor of low success rates following ablation. Long-term rhythm was determined by the patient's rhythm between three and six months.
conclusionsConcomitant left atrial ablation during valve surgery is effective in treating atrial fibrillation. Routine use of anti-arrhythmic medication after surgical ablation is not recommended.
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