Mitral Balloon Valvuloplasty
Mitral Balloon Valvuloplasty - Related Videos
09:13
Optimized Protocol for the Extraction of Proteins from the Human Mitral Valve
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The protein composition of the human mitral valve is still partially unknown, because its analysis is complicated by low cellularity and therefore by low protein biosynthesis. This work provides a protocol to efficiently extract protein for the analysis of the mitral valve proteome.
02:06
Inducing Brain Death in a Mouse Model Using a Balloon Catheter
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08:42
A Rat Carotid Balloon Injury Model to Test Anti-vascular Remodeling Therapeutics
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The rat carotid balloon injury model described below allows researchers to evaluate drugs or therapeutics that negate injury-induced arterial hyperplasia. Detailed pre-surgical preparation, surgical procedure, and post-surgical cares of the animal are described.
01:22
Mitral Stenosis I: Introduction
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2025
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
01:20
Mitral Regurgitation I: Introduction
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2025
Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
FAQs
The key mechanical effect is separation of fused mitral commissures, the junctions where the valve leaflets meet. Balloon inflation creates a wider passage at this junction, allowing blood to move more readily from the left atrium into the left ventricle. This explains how a catheter-based intervention can improve forward flow through the narrowed valve.
By enlarging the valve opening, treatment can reduce pressure in the left atrium. Lower atrial pressure may lessen pulmonary congestion, while improved flow can support overall cardiac function. These linked effects explain the clinical goal of treating symptomatic narrowing: reducing the hemodynamic burden created by restricted movement of blood through the mitral valve.
Rheumatic disease is particularly relevant because it can produce leaflet fusion, the structural feature targeted by balloon inflation. Mitral Balloon Valvuloplasty is therefore considered mainly for patients whose stenosis is symptomatic and whose valve anatomy is suitable for commissural separation. The decision depends on clinical assessment as well as the presence of appropriate valve changes.
Imaging and clinical assessment work together before and during Mitral Balloon Valvuloplasty. Clinical findings help establish whether symptoms are associated with mitral stenosis, while imaging helps identify the valve and guide catheter positioning across it. Together, these assessments support candidacy decisions and help direct balloon inflation toward the narrowed valve opening.
During the intervention, a balloon-tipped catheter is guided into the heart and advanced across the stenotic mitral valve. Accurate positioning is essential because the balloon must span the narrowed opening before inflation. Once positioned, inflation separates fused commissures and enlarges the passage, producing the intended improvement in blood flow between the two left-sided chambers.
Clinicians primarily consider this approach for suitable patients with symptomatic mitral stenosis, especially when rheumatic disease has caused leaflet fusion. The expected outcome is not simply a larger valve opening; it is relief of the downstream effects of obstruction, including elevated left atrial pressure and pulmonary congestion, with potential improvement in cardiac function.