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Updated: Jul 27, 2025

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

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

Published on: February 26, 2013

A Misleading Left Atrial Appendage.

Alexandros Kourtinos¹, Samy Aghezzaf^1,2, David Montaigne^1,2

¹Department of Clinical Physiology and Echocardiography, France - Heart Valve Clinic, Heart and Lung Institute, CHU Lille, Lille, France.

JACC. Case Reports

|June 7, 2023

Summary

This summary is machine-generated.

Left atrial appendage collapse, an unusual echocardiographic finding, can indicate cardiac tamponade post-surgery or result from viral infections. Distinguishing collapse from thrombus is crucial for appropriate patient management.

Keywords:

echocardiography imaging tamponade

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Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

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Published on: February 8, 2022

Area of Science:

Cardiology
Echocardiography
Medical Imaging

Background:

Left atrial appendage (LAA) collapse is an uncommon echocardiographic observation.
Understanding its causes and clinical significance is essential for accurate diagnosis.

Observation:

LAA collapse can manifest in patients following cardiac surgery.
It may also occur secondary to viral infections.

Findings:

In post-cardiac surgery patients, LAA collapse can be an early indicator of cardiac tamponade, necessitating consideration of pericardiocentesis.
In cases of viral infection, a conservative approach is often appropriate, avoiding misdiagnosis as a left atrial appendage thrombus.

Implications:

Accurate differentiation of LAA collapse from LAA thrombus is critical for guiding treatment strategies.
This distinction impacts patient management, potentially avoiding unnecessary invasive procedures.
Further research into the specific mechanisms and long-term outcomes of LAA collapse is warranted.