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Updated: Oct 26, 2025

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
Recurrent Left Pleural Effusion Following Left Atrial Appendage Closure With the Watchman Device
Rim Halaby1, Lohit Garg1, Alejandro De Feria1
1Cardiovascular Division, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania.
Abstract:
A 75-year-old woman with recent left atrial appendage closure with the Watchman device (Boston Scientific, Natick, Massachusetts) presented with recurrent left pleural effusion. The constellation of chest pain, pericardial effusion, and exudative pleural effusion were suggestive of an inflammatory process precipitated by microperforation of the fixation anchors during the Watchman placement. (Level of Difficulty: Intermediate.).
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