Key result
Increased right atrial 18F-FDG uptake predicted successful AF termination by radiofrequency catheter ablation in persistent AF, but no FDG parameters predicted AF recurrence.
Why the study?
This study explored the relevant factors and clinical significance of atrial 18F-fluorodeoxyglucose uptake in patients with AF.
Does 18F-FDG PET/CT imaging predict successful AF termination and recurrence in patients with atrial fibrillation undergoing radiofrequency catheter ablation?
Comparison
Baseline vs 3-month post-RFCA FDG imaging in 30 patients, and across AF subtypes
Design
Pilot prospective study
Follow-up
26 months (17-31 months)
Authors
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May inform acute RFCA expectations in observational cohorts; leaves open whether FDG PET improves selection or long-term outcomes.
Observational (n=100)
Does 18F-FDG PET/CT imaging predict successful AF termination and recurrence in patients with atrial fibrillation undergoing radiofrequency catheter ablation?
18F-FDG PET/CT imaging demonstrates that increased right atrial metabolic activity is predictive of successful atrial fibrillation termination by catheter ablation in patients with persistent AF.
Xie et al. (2021) conducted an observational in atrial fibrillation (n=100). Atrial 18F-fluorodeoxyglucose (FDG) uptake was evaluated on Atrial fibrillation recurrence. Increased right atrial 18F-FDG uptake predicted successful AF termination by radiofrequency catheter ablation in persistent AF, but no FDG parameters predicted AF recurrence.
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