What is the clinical evidence from this study?

Study design: Cohort. Population: Paroxysmal Atrial Fibrillation (n=83). Intervention: Diastolic dysfunction vs. Normal diastolic function. Primary outcome: Recurrence of atrial fibrillation.

What does this research mean for the field?

Diastolic dysfunction is an independent predictor of atrial fibrillation recurrence after catheter ablation and is associated with decreased left atrial voltage. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This study investigates how diastolic dysfunction affects atrial substrate properties and the outcomes of catheter ablation in paroxysmal atrial fibrillation patients.

January 1, 2010Circulation JournalOpen Access

The Impact of Diastolic Dysfunction on the Atrial Substrate Properties and Outcome of Catheter Ablation in Patients With Paroxysmal Atrial Fibrillation

View Full Paper

Ask AI

Bookmark

Key result

Diastolic dysfunction was an independent predictor of atrial fibrillation recurrence after catheter ablation and was associated with decreased left atrial voltage.

Why the study?

Does diastolic dysfunction predict altered atrial substrate and worse outcomes of catheter ablation in patients with paroxysmal atrial fibrillation?

Key Points

This study investigates how diastolic dysfunction affects atrial substrate properties and the outcomes of catheter ablation in paroxysmal atrial fibrillation patients.
Eighty-three patients with paroxysmal atrial fibrillation were enrolled.
Diastolic dysfunction was defined using left ventricular ejection fraction and specific mitral inflow ratios.
Univariate and multivariate analyses were performed to assess predictors of recurrence.
Patients with diastolic dysfunction had a lower left atrial voltage and a higher recurrence rate.
Diastolic dysfunction and left atrial voltage were identified as independent predictors of recurrence.
Older patients were more likely to have diastolic dysfunction compared to those with normal cardiac function.

Study Design

Type

Cohort (n=83)

Structured PICO

Does diastolic dysfunction predict altered atrial substrate and worse outcomes of catheter ablation in patients with paroxysmal atrial fibrillation?

Population

83 patients with paroxysmal atrial fibrillation

Intervention

Catheter ablation

Comparator

Patients with normal diastolic function

Outcome

Atrial fibrillation recurrence and left atrial substrate properties (LA voltage)hard clinical

Diastolic dysfunction is associated with altered atrial substrate (decreased LA voltage) and predicts a higher risk of recurrence following catheter ablation for paroxysmal atrial fibrillation.

Discussion

No takes yet. Share an insight, caveat, or question.

Implication

Diastolic dysfunction may refine pre-ablation risk stratification in paroxysmal AF; leaves open whether it is a modifiable substrate.

Cite This Study

Hu et al. (2010) conducted a cohort in Paroxysmal Atrial Fibrillation (n=83). Diastolic dysfunction vs. Normal diastolic function was evaluated on Recurrence of atrial fibrillation. Diastolic dysfunction was an independent predictor of atrial fibrillation recurrence after catheter ablation and was associated with decreased left atrial voltage.

synapsesocial.com/papers/6a171edcf3be5e880d6bf9bf https://doi.org/10.1253/circj.cj-10-0175

Topics

Atrial fibrillation Persistent AF management AF ablation outcomes Anticoagulation in AF

View Full Paper

Ask AI

Bookmark

The Impact of Diastolic Dysfunction on the Atrial Substrate Properties and Outcome of Catheter Ablation in Patients With Paroxysmal Atrial Fibrillation

Key Points

Study Design

Structured PICO

Discussion

Implication

Cite This Study

Topics

The Impact of Diastolic Dysfunction on the Atrial Substrate Properties and Outcome of Catheter Ablation in Patients With Paroxysmal Atrial Fibrillation

Key Points

Study Design

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Topics

Also Consider