Key result
Non-invasive assessment of atrial harmonic decay predicted sinus rhythm maintenance at 1 month post-cardioversion, with higher decay in relapsers than maintainers (1.5 vs 1.1; P=0.0004).
Why the study?
Does non-invasively obtained atrial fibrillatory organization predict sinus rhythm maintenance in patients with persistent AF undergoing cardioversion?
Observational (n=54)
Does non-invasively obtained atrial fibrillatory organization predict sinus rhythm maintenance in patients with persistent AF undergoing cardioversion?
Absolute Event Rate: 1.5% vs 1.1%
p-value: p=0.0004
Non-invasive assessment of atrial harmonic decay from the ECG can predict sinus rhythm maintenance after cardioversion for persistent atrial fibrillation.
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May support ECG-based prediction of post-cardioversion sinus rhythm maintenance in persistent AF; hypothesis-generating and requires prospective validation before clinical use.
Holmqvist et al. (2006) conducted an observational in Persistent atrial fibrillation (n=54). Atrial harmonic decay assessment was evaluated on Sinus rhythm maintenance at 1-month follow-up (p=0.0004). Non-invasive assessment of atrial harmonic decay predicted sinus rhythm maintenance at 1 month post-cardioversion, with higher decay in relapsers than maintainers (1.5 vs 1.1; P=0.0004).
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