What question did this study set out to answer?

To evaluate whether preprocedural computed tomography measurements of left atrial volume and pulmonary venous anatomy predict atrial fibrillation recurrence after catheter ablation.

June 1, 2009Journal of Cardiovascular Electrophysiology

Does Left Atrial Volume and Pulmonary Venous Anatomy Predict the Outcome of Catheter Ablation of Atrial Fibrillation?

View Full Paper

Ask AI

Bookmark

Why the study?

Does preprocedural left atrial volume and pulmonary venous anatomy predict atrial fibrillation recurrence following catheter ablation in patients with symptomatic atrial fibrillation?

Population

146 patients with symptomatic atrial fibrillation, mean age 57 +/- 11 years, 83% male.

Design

Cohort

Follow-up

mean 19 +/- 7 months

Authors

IHIrene E. HofGGZ Oost Brabant KCKaruna ChilukuriJohns Hopkins University AAArmin Arbab‐ZadehCardiac Imaging

Discussion

Member takes

Implication

May inform ablation risk counseling; leaves open whether left atrial volume should guide selection or adjunctive strategies in prospective trials.

Key Points

To evaluate whether preprocedural computed tomography measurements of left atrial volume and pulmonary venous anatomy predict atrial fibrillation recurrence after catheter ablation.
Enrolled 146 patients (mean age 57 ± 11 years, 83% male) with symptomatic atrial fibrillation (55% paroxysmal, 18% persistent, 27% long-standing persistent).
Performed preprocedural computed tomography to quantify left atrial volume and evaluate pulmonary venous anatomy, followed by circumferential pulmonary vein isolation guided by electroanatomical mapping.
Tracked clinical outcomes over a mean follow-up of 19 ± 7 months, classifying results as complete success, improvement, or procedural failure.
Complete procedural success was achieved in 59 patients (40%) and improvement occurred in 38 patients (26%) over a mean follow-up of 19 ± 7 months.
Left atrial volume was an independent predictor of atrial fibrillation recurrence (adjusted OR 1.14 per 10-mL increase, 95% CI 1.00–1.29, P = 0.047).
Pulmonary venous anatomical variations were equally distributed across outcome groups and did not predict procedural success or recurrence on univariate analysis.

Structured PICO

Does preprocedural left atrial volume and pulmonary venous anatomy predict atrial fibrillation recurrence following catheter ablation in patients with symptomatic atrial fibrillation?

Population

146 patients with symptomatic atrial fibrillation (55% paroxysmal, 18% persistent, 27% long-standing persistent), mean age 57 +/- 11 years, 83% male.

Intervention

Preprocedural computed tomography (CT) to evaluate left atrial (LA) volume and pulmonary venous (PV) anatomy, followed by circumferential PV isolation guided by Cartomerge electroanatomical mapping.

Outcome

Atrial fibrillation recurrence following catheter ablation (categorized as complete success, improvement, or failure) at mean follow-up of 19 +/- 7 months.hard clinical

Preprocedural assessment of left atrial volume by CT independently predicts atrial fibrillation recurrence after catheter ablation, whereas pulmonary venous anatomy does not.

Cite This Study

Hof et al. (2009) studied this question.

synapsesocial.com/papers/6a7ec8355b5966d82bc30149 https://doi.org/10.1111/j.1540-8167.2009.01504.x

Topics

Atrial fibrillation Persistent AF management AF ablation outcomes Anticoagulation in AF

View Full Paper

Ask AI

Bookmark

Implication

May inform ablation risk counseling; leaves open whether left atrial volume should guide selection or adjunctive strategies in prospective trials.

Does Left Atrial Volume and Pulmonary Venous Anatomy Predict the Outcome of Catheter Ablation of Atrial Fibrillation?

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Topics

Does Left Atrial Volume and Pulmonary Venous Anatomy Predict the Outcome of Catheter Ablation of Atrial Fibrillation?

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Also Consider

Topics

Also Consider