Arrhythmias & electrophysiology

Predictors of Late Atrial Fibrillation Recurrence After Cardiac Surgery

JACC Clin ElectrophysiolPublished Retrospective cohort study

Main finding · Late AF recurrenceResult — go to the resultHazard ratio 5.9

Authors' conclusion

Post-operative AF episodes of duration ≥48 hours predict recurrent AF episodes over long-term follow-up after cardiac surgery.

Study context

Population
Cardiac surgery patients 2010–2018 without preoperative atrial fibrillation (AF) or atrial flutter
Participants
1,031 patients
Exposure
Early postoperative atrial fibrillation (POAF) vs no early POAF
  • Early POAFn = 445
Outcome
Late AF recurrence (≥12 months after surgery) and its predictors
Follow-up
4.7 ± 2.4 years

Main finding

Late AF recurrence · 4.7 ± 2.4 years

Hazard ratio

5.9

By group

As reported in the abstract

Late AF overall
139 patients (14%)
Median time to AF recurrence (Q1-Q3: 2.6-6.2 years)
4.4 years
Late AF incidence with POAF duration >48 hours
38%

Observational data: associations, not effects.

Further findings

Early POAF course

Early POAF incidence
445 patients (43%)
Total AF duration <48 hours
72%
Sinus rhythm at discharge
91%

Original publication

Predictors of Late Atrial Fibrillation Recurrence After Cardiac Surgery. JACC Clin Electrophysiol. Published July 2024. doi:10.1016/j.jacep.2024.05.030

Composed by AI from the published abstract and checked against it. How Briefs are made →

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