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Mitral Valve Prolapse I: Introduction

Mitral Valve Prolapse I: Introduction

IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...

Mitral Valve Prolapse II: Assessment and Management

Mitral Valve Prolapse II: Assessment and Management

IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...

Mitral Valve Prolapse III: Nursing Management

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The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...

Heart Valves

Heart Valves

The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...

Mitral Stenosis I: Introduction

Mitral Stenosis I: Introduction

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...

Mitral Regurgitation I: Introduction

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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...

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Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model

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Caval Valve Implantation.

Alexander Lauten¹, Henryk Dreger², Michael Laule²

¹Helios Klinikum Erfurt GmbH, Erfurt, Thuringia, Germany; Department of Cardiology, Helios Clinic Erfurt, Nordhauser StraBe 74, Erfurt 99089, Germany.

Interventional Cardiology Clinics

|November 28, 2021

Summary

This summary is machine-generated.

Transcatheter therapies are advancing for heart valve disease. Caval valve implantation shows promise for treating severe tricuspid regurgitation (TR) based on early positive outcomes.

Keywords:

Caval valve implantation Functional tricuspid regurgitation Right heart failure Tricuspid valve insufficiency Tricuspid valve regurgitation

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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

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Area of Science:

Cardiology
Interventional Cardiology
Cardiac Surgery

Background:

Transcatheter therapies have significantly expanded treatment options for various heart valve diseases.
While established for aortic, mitral, and pulmonic valves, catheter-based treatments for tricuspid regurgitation (TR) are in nascent stages.
Several interventional concepts for TR, including edge-to-edge repair, transcatheter annuloplasty, tricuspid spacer, and caval valves, are under investigation.

Purpose of the Study:

To review the pathophysiological basis of tricuspid regurgitation (TR).
To examine the current evidence supporting caval valve implantation for TR.
To explore the potential role of caval valve implantation in managing severe TR.

Main Methods:

Review of existing literature on tricuspid regurgitation pathophysiology.
Analysis of early clinical outcomes from compassionate use case series of interventional TR therapies.
Focus on procedural feasibility and early results of caval valve implantation.

Main Results:

Procedural feasibility has been demonstrated for several interventional TR concepts.
Small compassionate case series have shown favorable early clinical outcomes for these novel TR therapies.
Early data suggests potential efficacy for caval valve implantation in selected TR patients.

Conclusions:

Transcatheter approaches for tricuspid regurgitation are emerging with promising early results.
Caval valve implantation represents a potential new avenue for treating severe TR.
Further research and larger trials are needed to establish the definitive role of caval valve implantation in TR management.