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The Effect of the Hole in the Cardiac Septum Developed by the MitraClip Procedure on the Blood Flow Mechanics — MitraClipASD  

Atrial Septal Defect Clinical Trial

Official title:
The Effect of the Iatrogenic Atrial Septal Defect After MitraClip Procedure on the Hemodynamic Outcome

Clinical Trial Summary

Patients received a MitraClip procedure because of a leakiness of their mitral valves. During this procedure the atrioventricular valves were stuck together permanently via a clip which leads to a reduction of leakiness. As a result of this procedure a small hole remains at the cardiac septum which is called an atrial septal defect (ASD). In most cases the hole will close after a few weeks or months, but in many other cases not. Until now there is no exact data about the effect of this hole on the filling pressure in the heart or on the blood flow behaviour. So the aim of this study is a precise analysis of the blood flow mechanics during and after the MitraClip procedure to identify criteria to get more informations for a better strategy and regulation of the MitraClip procedure.

Clinical Trial Description

The percutaneous mitral valve reconstruction (PMVR) using the MitraClip system has become an established therapeutic alternative for patients with symptomatic mitral regurgitation and high operative risk. The MitraClip technology represent a catheter-based non-surgical procedure in which a metal cramp (clip) is transported to the place of the defective mitral valve. At the same time, it occurs also a 3-dimensional transesophageal echocardiogram (3D-TEE) with a transseptal puncture to control this procedure. After removal of the guiding catheter a new atrial septal defect can develop which can close spontaneously after weeks or months.

In this study criteria for a standardized evaluation about the effect of the new ASD on hemodynamic parameters - before and after the MitraClip procedure - shall be validated for the first time. The investigators expect to obtain new findings through the exact analysis of the newly formed ASD for the planning, regulation and follow-up of the mitral insufficiency treatment. ;

Study Design

Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02453451
Study type Interventional
Source RWTH Aachen University
Contact Mohammad Almalla
Phone +49 241 80 36771
Email malmalla@ukaachen.de
Status Recruiting
Phase N/A
Start date July 2015
Completion date April 2017
View Details
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