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Updated: Dec 28, 2025

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
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Periprocedural Imaging for Left Atrial Appendage Closure: Computed Tomography, Transesophageal Echocardiography, and

Thomas S Gilhofer1, Jacqueline Saw2

  • 1Interventional Cardiology, Division of Cardiology, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada.

Cardiac Electrophysiology Clinics
|February 19, 2020
PubMed

Insights

Percutaneous left atrial appendage closure effectively prevents strokes in patients with atrial fibrillation. Advanced imaging techniques enhance procedural success and safety, improving patient outcomes.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Interventional Procedures

Background:

  • Percutaneous left atrial appendage closure is a key stroke prevention strategy for nonvalvular atrial fibrillation patients.
  • Contraindications to oral anticoagulation necessitate alternative methods like LAA closure.

Purpose of the Study:

  • To highlight the advancements in percutaneous left atrial appendage closure (LAAC).
  • To emphasize the role of multimodality imaging in improving LAAC efficacy and safety.
  • To inform proceduralists about optimizing LAAC through imaging modality understanding.

Main Methods:

  • Review of current practices and outcomes in percutaneous left atrial appendage closure.
  • Integration of multimodality imaging: cardiac CT angiography, TEE, ICE, and fluoroscopy.
  • Focus on preprocedural planning and proceduralist familiarity with imaging.

Main Results:

  • Significant improvements in success and complication rates for LAAC.
  • Enhanced efficacy, procedural success, and safety attributed to multimodality imaging.
  • Maturing experience and procedural familiarity contribute to better outcomes.

Conclusions:

  • Multimodality imaging is crucial for successful and safe percutaneous left atrial appendage closure.
  • Understanding the complementary roles and limitations of various imaging modalities is essential.
  • Continued proceduralist education on imaging is vital for optimizing patient care in LAAC.

Keywords:
Intracardiac echocardiographyLeft atrial appendage closurePeriprocedural imagingTransesophageal echocardiography guiding

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