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Related Concept Videos

Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

87
Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Related Experiment Video

Updated: Jul 27, 2025

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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Imaging Modality to Guide Left Atrial Appendage Closure: Current Status and Future Perspectives.

Giulia Laterra1, Giuseppe Dattilo2, Michele Correale3

  • 1Cardiology Unit, Department of Emergency, Umberto Primo Hospital, 94100 Enna, Italy.

Journal of Clinical Medicine
|June 10, 2023
PubMed
Summary

Left atrial appendage closure (LAAC) effectively treats non-valvular atrial fibrillation (NVAF). Intracardiac echocardiography via the esophageal route (ICE-TEE) offers a promising, anesthesia-free alternative for guiding LAAC procedures.

Keywords:
NOACatrial fibrillationintracardiac echocardiographyleft atrial appendage (LAA)

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Area of Science:

  • Cardiology
  • Medical Imaging

Background:

  • Atrial fibrillation (AF) is a common cardiac arrhythmia.
  • The left atrial appendage (LAA) is a primary source of thrombus in non-valvular atrial fibrillation (NVAF).
  • Left atrial appendage closure (LAAC) is an alternative to anticoagulation for NVAF patients.

Purpose of the Study:

  • To evaluate intracardiac echocardiography via the esophageal route (ICE-TEE) as an imaging technique for guiding LAAC.
  • To assess the feasibility of ICE-TEE for LAAC procedures without general anesthesia.

Main Methods:

  • Utilized ICE-TEE for intraprocedural imaging during LAAC in complex patients.
  • Compared ICE-TEE with traditional transesophageal echocardiography (TEE) and intracardiac echocardiography (ICE) guidance.

Main Results:

  • Single-center experience suggests ICE-TEE is a viable alternative imaging technique for LAAC.
  • ICE-TEE may enable LAAC procedures without the need for general anesthesia, aligning with a "minimalist approach".

Conclusions:

  • ICE-TEE shows potential as an effective imaging modality for guiding LAAC.
  • This technique could offer a less invasive, anesthesia-sparing option for complex NVAF patients undergoing LAAC.