AI Article Synopsis
- * It involved 32 patients and found that 22% relapsed to atrial fibrillation within six weeks, with the pre-cardioversion AFR being similar between those who maintained sinus rhythm and those who did not.
- * The conclusion was that AFR did not predict sinus rhythm maintenance in these patients, contradicting previous research suggesting a link.
Article Abstract
Aims: The present study aimed at testing the hypothesis that atrial fibrillatory rate (AFR) is predictive of sinus rhythm maintenance after electrical cardioversion.
Methods And Results: The study comprised 32 patients admitted for cardioversion of atrial fibrillation of short duration (mean duration 3.8 ± 7.7 days). AFR was estimated using frequency power spectrum analysis of QRST-cancelled ECG. At six-weeks follow-up 22% of the patients had relapsed to AF. The pre-cardioversion mean AFR of those was 332 ± 64 fpm compared to 378 ± 59 fpm among patients maintaining sinus rhythm (p = 0.12).
Conclusion: AFR was not predictive of sinus rhythm maintenance in patients of short duration AF undergoing cardioversion. This is in stark contrast with the earlier reported findings.
Clinical Trial Registration: NCT02112318 (http://www.
Clinicaltrials: gov).
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| http://dx.doi.org/10.1016/j.jelectrocard.2023.07.003 | DOI Listing |
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