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Related Concept Videos

Mitral Valve Prolapse I: Introduction01:27

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 Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

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...
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

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...
Mitral Stenosis I: Introduction01:22

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 Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

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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Related Experiment Video

Updated: May 12, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Rerepair for Mitral Insufficiency.

Akhil Rao1, Emily Shih2, Wilson Szeto1

  • 1Division of Cardiovascular Surgery, University of Pennsylvania Health System, Philadelphia, Pennsylvania.

The Annals of Thoracic Surgery
|June 3, 2024
PubMed
Summary
This summary is machine-generated.

Mitral valve rerepair shows acceptable outcomes at specialized centers. Further research is needed to confirm the long-term durability and functional benefits of repeat mitral valve repair procedures.

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Area of Science:

  • Cardiovascular Surgery
  • Cardiac Surgery
  • Heart Valve Repair

Background:

  • Mitral valve repair offers better results than replacement for primary mitral regurgitation.
  • The effectiveness of repeat mitral valve repair after initial repair failure is not well-established.
  • This study evaluates the outcomes of a strategy involving mitral valve rerepair for failed prior repairs.

Purpose of the Study:

  • To assess the clinical and echocardiographic outcomes of patients undergoing repeat mitral valve repair.
  • To determine the feasibility and safety of mitral valve rerepair following previous repair attempts.

Main Methods:

  • Retrospective review of institutional databases from 2008-2021.
  • Identification of patients who underwent repeat mitral valve repair after an initial mitral valve repair.
  • Analysis of operative details, clinical outcomes, and echocardiographic data.

Main Results:

  • 71 patients underwent mitral valve reoperation a mean of 6.24 years after initial repair.
  • 0 early deaths and 8 late deaths were recorded; 3 patients required mitral valve replacement post-rerepair.
  • 20% of patients had New York Heart Association functional class III or IV symptoms preoperatively.

Conclusions:

  • Mitral valve rerepair is feasible with acceptable short-term results at experienced centers.
  • The long-term durability and functional advantages of mitral valve rerepair require further investigation.
  • Repeat mitral valve repair may be a viable option for selected patients with failed prior repairs.