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Updated: Oct 3, 2025

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
Amplatzer Amulet™ left atrial appendage occluder: A step-by-step guide to device implantation
1Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
Abstract:
Recently receiving Food and Drug Administration approval, the Amplatzer Amulet™ left atrial appendage occluder device (Abbott Medical Inc.) provides a dual seal mechanism alternative to the commercially available Watchman FLX or Watchman 2.5 device for embolic stroke prevention in patients with nonvalvular atrial fibrillation. This step-by-step review will cover patient selection, preprocedure imaging assessment, device sizing, device preparation, implant target position assessment, implant technique and troubleshooting, and immediate postimplant follow-up.

