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J Thorac Cardiovasc Surg 2007;133:806-807
© 2007 The American Association for Thoracic Surgery

Brief Communication

Mechanical valve obstruction caused by an occlusion device

Ofer Merin, MD, Dani Bitran, MD, Daniel Fink, MD, Esther Asher, MA, Shuli Silberman, MD*

Department of Cardiothoracic Surgery, Shaare Zedek Medical Center, Jerusalem, Israel.

Received for publication September 27, 2006; accepted for publication October 30, 2006.

* Address for reprints: Shuli Silberman, MD, Department of Cardiothoracic Surgery, Shaare Zedek Medical Center, PO Box 3235, Jerusalem, Israel 91031. (Email: ssilberman@szmc.org.il).

The first 20% of the full text of this article appears below.

Mechanical occlusion devices are used mainly for the closure of septal defects or patent ductus. There have been some reports of their use for the closure of paravalvular leaks after valve replacement. The potential for leaflet obstruction of a mechanical mitral prosthesis has so far been unrecognized. This is the first report of this potential complication.

Clinical Summary

A 74-year-old woman underwent coronary bypass and aortic valve replacement with a mechanical device 13 years ago. Two years before the current admission, she underwent a second operation to replace her mitral valve because of heart failure secondary to severe mitral incompetence. Her valve was replaced with a St Jude 25-mm valve (St Jude Medical, St Paul, Minn). Shortly thereafter, shortness of breath developed in the patient, and a . . . [Full Text of this Article]




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