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Updated: Nov 2, 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

84.0K

Cardioform Septal Occluder for the Closure of a Peri-Device Leak After Initial Watchman Implantation

Jose R Sleiman1, Antonio J Lewis1, Eduardo J Perez1

  • 1Cardiology, Cleveland Clinic Florida, Weston, USA.

Cureus
|June 11, 2021
PubMed

Insights

Left atrial appendage occlusion effectively reduces stroke risk in non-valvular atrial fibrillation (AF). This study shows successful closure of residual peri-device leaks (PDL) using a Cardioform septal occluder, offering a new strategy for oral anticoagulation discontinuation.

Area of Science:

  • Cardiology
  • Medical Devices
  • Interventional Procedures

Background:

  • Left atrial appendage occlusion is a key strategy for stroke risk reduction in non-valvular atrial fibrillation (AF).
  • Complete occlusion is ideal, but residual peri-device leaks (PDL) can increase stroke risk.
  • Discontinuation of oral anticoagulation is desirable for patients with AF and PDL.

Observation:

  • Residual peri-device leaks (PDL) after Watchman implantation are a clinical concern.
  • A non-fenestrated Cardioform septal occluder was used to address these leaks.
  • The procedure aimed to achieve complete closure and enable oral anticoagulation cessation.

Findings:

  • Successful closure of PDL was achieved using the Cardioform septal occluder.
  • The procedure demonstrated safety and feasibility in the described cases.
  • This approach offers a potential solution for managing PDL post-occlusion.

Implications:

  • Successful PDL closure may allow safe discontinuation of oral anticoagulation in AF patients.
  • This technique provides an alternative for patients with residual leaks after LAA occlusion.
  • Further research can validate the long-term efficacy and safety of this PDL closure strategy.

Keywords:
atrial fibrillationcardioform septal occluderleft atrial appendage closureoral anticoagulationperi-device leakresidual leakstrokewatchman

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