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Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
Published on: July 20, 2022
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Selection for atrial fibrillation ablation: Importance of diastolic function grading
Thomas Pezawas1, Thomas Binder1, Robin Ristl2
1Department of Cardiology, Medical University of Vienna, Austria.
Journal of Cardiology
|August 30, 2014
Summary
Pulmonary vein isolation (PVI) for atrial fibrillation (AF) recurrence is influenced by diastolic function. Patients with normal diastolic function experience significantly lower AF recurrence rates after PVI, aiding treatment decisions.
Area of Science:
- Cardiology
- Electrophysiology
Background:
- Pulmonary vein isolation (PVI) is a standard therapy for atrial fibrillation (AF), with expanding indications to include non-paroxysmal AF.
- Identifying factors affecting sinus rhythm maintenance post-PVI is crucial for patient management.
Purpose of the Study:
- To evaluate clinical and echocardiographic parameters influencing the success of PVI in maintaining sinus rhythm.
- To identify predictors of AF recurrence after PVI.
Main Methods:
- PVI was performed on 229 patients (109 paroxysmal AF, 120 non-paroxysmal AF) with baseline evaluations.
- Follow-up included clinical assessment, ECGs, trans-telephonic monitoring, and implanted devices.
- Recurrence was defined as atrial arrhythmia lasting >30s.
Main Results:
- The overall one-year AF recurrence rate after PVI was 59%.
- Diastolic function was a significant predictor of recurrence in multivariable analysis.
- Patients with normal diastolic function had significantly lower recurrence rates (24% at 1 year, 49% at 3 years).
Conclusions:
- Diastolic function serves as a simple predictor for AF recurrence post-PVI.
- Assessing diastolic function can aid clinical decision-making in AF treatment strategies.
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