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Related Concept Videos

Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

689
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...
689
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

538
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...
538
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

1.4K
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...
1.4K
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

1.3K
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...
1.3K
Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

947
Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
947
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

1.8K
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...
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Related Experiment Video

Updated: May 6, 2026

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
08:31

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

Published on: October 16, 2021

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Echo-guided mitral repair.

Daniel H Drake1, Karen G Zimmerman, Anne M Hepner

  • 1Departments of Cardiology and Surgery, Munson Medical Center, Traverse City, MI.

Circulation. Cardiovascular Imaging
|November 13, 2013
PubMed
Summary
This summary is machine-generated.

Echocardiography reliably identifies and guides mitral valve repair, significantly improving success rates compared to unguided methods. This technique enhances initial repair success and durability, especially with 3D imaging.

Keywords:
chordal-cuttingechocardiographymitral valve insufficiency

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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
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Area of Science:

  • Cardiovascular Surgery
  • Medical Imaging
  • Echocardiography

Background:

  • Echocardiography is widely accessible in healthcare.
  • Mitral valve repair is preferred over replacement when feasible.
  • The effectiveness of echocardiography-guided mitral repair requires establishment.

Purpose of the Study:

  • To establish the efficacy of echocardiography-guided mitral valve repair.
  • To assess the concordance of echocardiographic findings with intraoperative results.
  • To evaluate the impact of echocardiography on surgical repair rates and outcomes.

Main Methods:

  • Developed a set of defined echocardiographic images for intraoperative guidance.
  • Guided intervention in 237 consecutive patients with serial echocardiography.
  • Utilized 2D and 3D echocardiography to quantify mitral valve parameters.

Main Results:

  • High concordance (97.8%) between echo findings and successful repair.
  • 3D echocardiography showed higher concordance (100%) than 2D (94.4%).
  • Echocardiography-guided repair increased success rates from 46.5% to 77.6%, outperforming unguided controls (70.0% vs 91.5% success).

Conclusions:

  • Echocardiography reliably identifies and guides mitral valve repair.
  • Echo-guided repair achieves higher initial success rates than unguided methods.
  • 3D echocardiography improves concordance; secondary chord lysis promotes durable repair.