This research aims to evaluate the prevalence and clinical significance of subclinical atrial fibrillation following hospitalization for heart failure.
Conducted a randomized trial among patients hospitalized with heart failure.
Monitored for subclinical atrial fibrillation post-discharge.
Analyzed clinical outcomes related to atrial fibrillation episodes.
Found a prevalence of 30% for subclinical atrial fibrillation in the sample.
Subclinical atrial fibrillation associated with increased risk of adverse cardiac events (HR 2.5, 95% CI 1.5-4.0, p=0.002).
Patients with subclinical atrial fibrillation had a significantly higher rate of rehospitalization within 6 months, 40% vs. 20% in controls.