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Updated: Aug 24, 2025

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
23:33

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

Published on: February 28, 2012

83.8K

Left atrial thrombus after placement of watchman device

Emmanuel Isang1, Shawna Stephens1, Tyler Coombes1

  • 1Graduate School of Medicine University of Tennessee Knoxville Tennessee USA.

Clinical Case Reports
|October 26, 2022
PubMed

Insights

Atrial fibrillation increases stroke risk, often treated with anticoagulation or Watchman device closure. This case highlights a rare Watchman device-related thrombus complication occurring seven months post-implantation.

Area of Science:

  • Cardiology
  • Medical Devices
  • Thrombosis Research

Background:

  • Atrial fibrillation (AF) is a common arrhythmia associated with a significant risk of thromboembolic events, particularly stroke.
  • The left atrial appendage (LAA) is a primary source of emboli in AF patients.
  • Standard guideline therapy for AF involves anticoagulation, but alternative strategies like LAA closure are available.

Observation:

  • The Watchman device is an alternative treatment option for LAA closure in AF patients.
  • This report details a specific case involving the Watchman device.

Findings:

  • A case of thrombus formation related to the Watchman device was observed.
  • This device-related thrombus occurred seven months after the Watchman device implantation.

Implications:

  • Understanding and monitoring for device-related thrombus is crucial for patients undergoing LAA closure.
  • This case underscores the importance of long-term surveillance for potential complications following Watchman device implantation.
  • Further research may be needed to elucidate the mechanisms and optimal management of Watchman device-related thrombus.

Keywords:
arrhythmiaatrial fibrillationcardioversionstrokewatchman

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