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Related Concept Videos

Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

14
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...
14
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

20
Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
20
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

25
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...
25
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

23
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...
23
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

19
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...
19
Mitral Valve Prolapse III: Nursing Management01:19

Mitral Valve Prolapse III: Nursing Management

20
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...
20

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Related Experiment Video

Updated: Jul 29, 2025

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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Transcatheter Mitral Valve Replacement with Dedicated Devices.

Joe Aoun1, Michael J Reardon1, Sachin S Goel1

  • 1Houston Methodist DeBakey Heart & Vascular Center, Houston Methodist Hospital, Houston, Texas, US.

Methodist Debakey Cardiovascular Journal
|May 22, 2023
PubMed
Summary

Transcatheter mitral valve replacement is being studied for severe mitral regurgitation in high-risk patients. Early studies show promise, but more data on long-term outcomes and device improvements are needed.

Keywords:
IntrepidSapien valveTendynemitral regurgitationtranscatheter mitral valve replacement

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Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Interventional Cardiology

Background:

  • Mitral regurgitation is the most prevalent valvular heart disease.
  • Complex anatomy necessitates specialized devices for transcatheter mitral valve replacement (TMVR) in high-risk surgical candidates.

Purpose of the Study:

  • To review the current status and challenges of TMVR devices in the United States.
  • To highlight the need for technological advancements in TMVR.

Main Methods:

  • Review of early feasibility studies on TMVR devices.
  • Analysis of technical success and short-term outcomes.
  • Discussion of ongoing challenges and future directions in TMVR device development.

Main Results:

  • Early feasibility studies indicate good technical success and favorable short-term outcomes for TMVR.
  • Current TMVR devices in the U.S. are investigational and not yet commercially approved.

Conclusions:

  • TMVR shows potential for high-risk patients with mitral regurgitation.
  • Further research with larger cohorts and longer follow-up is crucial.
  • Advancements in device technology, delivery systems, and implantation techniques are essential for optimal TMVR outcomes, focusing on avoiding complications like left ventricular outflow tract obstruction and ensuring prosthesis stability.