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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

Factors to predict recurrence of atrial fibrillation in patients with hypertension

Xiaojing Ma1, XingHua Zhang, WenBin Guo

  • 1Department of Cardiology, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China;

Clinical Cardiology
|May 20, 2009
PubMed

Insights

Patients with hypertension experiencing atrial fibrillation (AF) recurrence can be identified. Key predictors include increased P-wave dispersion, P-LAA time, and left atrial appendage dysfunction.

Area of Science:

  • Cardiology
  • Hypertension Research
  • Electrophysiology

Background:

  • Essential hypertension is linked to higher atrial fibrillation (AF) recurrence rates post-conversion.
  • Predicting AF recurrence in hypertensive patients is crucial for management.

Purpose of the Study:

  • To identify parameters predicting AF recurrence in patients with essential hypertension.
  • To evaluate the role of echocardiographic and electrocardiographic measures.

Main Methods:

  • Retrospective analysis of 136 hypertensive patients with AF history.
  • Measurement of P-wave duration/dispersion, left atrium (LA) and left atrial appendage (LAA) size/function.
  • Assessment of P-wave to LAA ejection flow time (P-LAA).

Main Results:

  • 38.2% experienced AF recurrence.
  • Higher P-LAA, P-wave dispersion, LA diameter, and LAA volumes in recurrent AF group.
  • Lower LAA ejection fraction (EF-LAA) and peak emptying velocity in recurrent AF group.

Conclusions:

  • Increased P-wave dispersion, prolonged P-LAA, dilated LA, and impaired LAA function predict AF recurrence in hypertensive patients.
  • These parameters aid in identifying high-risk individuals for targeted interventions.
Abstract

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