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Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...

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Mitral Stenosis I: Introduction

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Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels

Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels

Published on: May 26, 2023

[Annuloplasty reduces the mitral leaflets mobility].

S Varnous¹, E Lansac, C Acar

¹Département de chirurgie cardio-vasculaire, Institut de cardiologie, hôpital La Pitié-Salpêtrière

Archives Des Maladies Du Coeur Et Des Vaisseaux

|October 24, 2008

Summary

This summary is machine-generated.

Mitral valve repair using annuloplasty significantly reduces mitral annulus size and alters left ventricular base geometry. This impacts anterior mitral leaflet (AML) mobility, decreasing its excursion and displacing the coaptation point apically.

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A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

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Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels

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A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

Published on: October 16, 2021

Area of Science:

Cardiovascular Surgery
Cardiac Anatomy
Echocardiography

Background:

Mitral valve repair often results in a motionless posterior mitral leaflet.
Prosthetic ring annuloplasty is a common technique for mitral valve repair.

Purpose of the Study:

To assess geometric changes of the left ventricular base after prosthetic ring annuloplasty.
To evaluate the impact of these changes on anterior mitral leaflet (AML) mobility.

Main Methods:

Intraoperative transesophageal echocardiography in 35 mitral valve repair patients.
Measurements before and after annuloplasty included mitral annulus diameter and aortomitral angle.
Anterior mitral leaflet (AML) opening and closure angles, and leaflet excursion were assessed.

Main Results:

Annuloplasty drastically reduced mitral annulus diameter (36.8 to 20.9 mm) and aortomitral angle (115.1 to 108.0 degrees).
AML opening angle remained unchanged, but closure angle increased (17.8 to 26.6 degrees).
AML excursion decreased significantly (43 to 32.5 degrees), with coaptation point displacement toward the apex.

Conclusions:

Prosthetic ring annuloplasty induces significant geometric changes in the left ventricular base.
These changes restrict anterior mitral leaflet (AML) mobility and alter leaflet coaptation dynamics.