Why the study?
Does physiologic atrial pacing (AAI) prevent progression to chronic atrial fibrillation compared to ventricular pacing (VVI) in patients with paroxysmal atrial fibrillation related to sick sinus syndrome?
Does physiologic atrial pacing (AAI) prevent progression to chronic atrial fibrillation compared to ventricular pacing (VVI) in patients with paroxysmal atrial fibrillation related to sick sinus syndrome?
In patients with sick sinus syndrome and paroxysmal atrial fibrillation, atrial pacing (AAI) significantly prevents progression to chronic atrial fibrillation and reduces thromboembolic complications compared to ventricular pacing (VVI).
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AAI pacing may limit chronic AF progression and thromboembolism in sick sinus syndrome; observational data leave open need for randomized confirmation before practice change.
Otaki et al. (2002) studied this question.
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