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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

84.4K

Acute Device-Related Thrombus after Watchman Device Implant

Muhammad Ajmal1,2, Vijendra Swarup1,3

  • 1St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA.

Case Reports in Cardiology
|October 1, 2019
PubMed

Insights

Atrial fibrillation increases stroke risk. Left atrial appendage closure with the Watchman device can prevent clots, but may cause device-related thrombus, requiring management strategies.

Area of Science:

  • Cardiology
  • Medical Devices
  • Thrombosis Management

Background:

  • Atrial fibrillation (AF) presents an irregular heart rhythm, elevating risks of stroke and mortality due to potential blood clot formation, primarily in the left atrial appendage (LAA).
  • Anticoagulant therapy is standard for reducing thromboembolism risk in AF patients.
  • Percutaneous LAA closure using devices like the Watchman offers an alternative for patients with high bleeding risks who cannot tolerate anticoagulants.

Observation:

  • The Watchman device, used for LAA closure, is associated with potential adverse events, including device-related thrombus (DRT).
  • Acute DRT can form rapidly after Watchman device implantation.
  • Current clinical guidelines for managing acute DRT following LAA closure are lacking.

Findings:

  • This case report details an instance of Watchman device-related thrombus occurring just 16 hours post-implantation.
  • The study highlights the rapid onset of DRT after LAA closure procedures.

Implications:

  • The findings underscore the need for prompt recognition and management of acute DRT after Watchman device placement.
  • Further research is warranted to establish specific clinical guidelines for the management of DRT to optimize patient outcomes.
  • This case contributes to the understanding of early complications associated with LAA closure devices.

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