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Pre and Post Procedure Imaging of the Watchman® Device with Cardiac Computed Tomography Angiography

Dennis Toy1, David M Naeger2

  • 1Department of Radiology, Weill Cornell Medicine, 525 E. 68th Street, Box 141, New York, NY, 10065, USA. Det9069@med.cornell.edu.

Current Treatment Options in Cardiovascular Medicine
|September 15, 2019
PubMed

Insights

Cardiac CT angiography offers a safe and accurate alternative to traditional imaging for Watchman left atrial appendage occlusion procedures. It effectively guides device sizing and detects complications, improving patient care.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Interventional Cardiology

Background:

  • Left atrial appendage occlusion (LAAO) is a key stroke prevention strategy in atrial fibrillation.
  • The Watchman® device is commonly used for LAAO.
  • Pre- and post-procedure imaging is essential for successful Watchman device implantation.

Purpose of the Study:

  • To evaluate cardiac computed tomography angiography (CCTA) as an alternative imaging modality for Watchman LAAO.
  • To compare the efficacy of CCTA with transesophageal echocardiography (TEE) for pre- and post-procedure assessment.

Main Methods:

  • Review of studies comparing CCTA and TEE for Watchman procedures.
  • Analysis of CCTA's accuracy in device sizing and complication detection.

Main Results:

  • CCTA accurately predicts Watchman device sizing.
  • CCTA effectively detects post-procedure complications, comparable or superior to TEE.
  • CCTA is a safe and viable alternative for pre- and post-procedure imaging.

Conclusions:

  • Cardiac CT angiography is a reliable imaging option for Watchman procedures.
  • CCTA can replace or supplement TEE in the Watchman procedure workflow.
  • Utilizing CCTA may enhance procedural efficiency and patient outcomes.
Abstract

Keywords:
Atrial fibrillationCardiac computed tomography angiographyDevice-related thrombosisLeft atrial appendage occlusionPeri-device leakWatchman

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