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Mitral Valve Replacement With MValve Dock and Lotus

2016-03-29 10:07:53 | BioPortfolio

Summary

This study evaluates the MValve mitral prosthesis in conjunction with a Lotus transcatheter heart valve (THV) for mitral valve replacement in subjects at high risk for conventional mitral valve replacement or repair surgery.

Description

This study is a prospective first in man feasibility study intended to evaluate preliminary safety and effectiveness of the MValve Mitral Dock with Lotus transcatheter heart valve for mitral valve replacement in subjects who are at high risk for surgical valve repair or replacement.

The surgical technique adapts the valve-in-valve approach for mitral replacement in degenerated mitral prostheses to failing native mitral valves. The MValve Dock is designed to provide a structural platform within the mitral annulus so that the Lotus THV can be implanted in a secure fashion in the mitral annulus. The investigational device anchors to the mitral annulus commissures, sparing the native valve leaflets and sub annular apparatus. This study is designed to treat subjects with moderate-to-severe MR who are not deemed candidates for mitral valve surgery.

Study Design

Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Conditions

Mitral Valve Regurgitation

Intervention

mitral valve replacement

Location

Dante Pazzenese Institute of Cardiology
Sau Paulo
Brazil

Status

Not yet recruiting

Source

MValve Technologies Ltd

Results (where available)

View Results

Links

Published on BioPortfolio: 2016-03-29T10:07:53-0400

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Medical and Biotech [MESH] Definitions

Backflow of blood from the LEFT VENTRICLE into the LEFT ATRIUM due to imperfect closure of the MITRAL VALVE. This can lead to mitral valve regurgitation.

A type of heart valve surgery that involves the repair, replacement, or reconstruction of the annulus of the MITRAL VALVE. It includes shortening the circumference of the annulus to improve valve closing capacity and reinforcing the annulus as a step in more complex valve repairs.

Abnormal protrusion or billowing of one or both of the leaflets of MITRAL VALVE into the LEFT ATRIUM during SYSTOLE. This allows the backflow of blood into left atrium leading to MITRAL VALVE INSUFFICIENCY; SYSTOLIC MURMURS; or CARDIAC ARRHYTHMIA.

Narrowing of the passage through the MITRAL VALVE due to FIBROSIS, and CALCINOSIS in the leaflets and chordal areas. This elevates the left atrial pressure which, in turn, raises pulmonary venous and capillary pressure leading to bouts of DYSPNEA and TACHYCARDIA during physical exertion. RHEUMATIC FEVER is its primary cause.

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