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Am J Cardiol. 2008 Feb 1;101(3):382-6. doi: 10.1016/j.amjcard.2007.08.052. Epub 2007 Dec 21.

Usefulness of transesophageal echocardiography in percutaneous transcatheter repairs of paravalvular mitral regurgitation.

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1
Cardiac Imaging Unit and Hemodynamic Laboratory, Gregorio Marañón General University Hospital, Madrid, Spain.

Abstract

This study was conducted to assess the usefulness of transesophageal echocardiography (TEE) as a guide in the percutaneous transcatheter occlusion of paravalvular defects and in subsequent follow-up. In 27 consecutive patients with mitral paravalvular leaks with significant regurgitation considered to be poor surgical candidates who were treated with percutaneous closure of the defects, TEE was performed before and during the procedure. If the device was successfully positioned, a reevaluation was made 1 month later. Events occurring during the procedure and 1-month follow-up were recorded. The device was correctly positioned in 17 of the patients (63%). TEE enabled the detection of complications (intraprosthetic insufficiencies due to passing the guide through the prosthesis, blockade of the prosthesis, etc.). It also confirmed the correct canalization of the leak with the catheter and the position of the device. In 8 patients (47% of patients with successful implantation), the degree of regurgitation was substantially reduced after 1 month. In conclusion, TEE is a fundamental technique when considering the percutaneous treatment of paravalvular leaks in patients with high surgical risk. It provides essential information on the characteristics of the dehiscence during implantation and follow-up.

PMID:
18237605
DOI:
10.1016/j.amjcard.2007.08.052
[Indexed for MEDLINE]
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