Related Experiment Video
Updated: Jun 6, 2025
08:31
A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
Published on: October 16, 2021
3.8K
Mechanisms of Repair Failure After Mitral Valve Repair Using Chordal Replacement
Miriam Lang1, Nina Feirer1, Bernhard Voss1
1Department of Cardiovascular Surgery, Institute Insure, German Heart Center Munich, School of Medicine & Health, Technical University of Munich, Munich, Germany.
The Annals of Thoracic Surgery
|November 27, 2024
Summary
Mitral valve repair (MVr) failure mechanisms were analyzed in 344 patients. Disease progression, technical issues, and endocarditis caused most failures, with re-repair feasible for technical failures but valve replacement often needed for sclerosis.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery
- Thoracic Surgery
Background:
- Degenerative mitral regurgitation is a common condition requiring surgical intervention.
- Mitral valve repair (MVr) using chordal replacement and annuloplasty is a standard treatment.
- Understanding repair failure mechanisms is crucial for improving patient outcomes.
Purpose of the Study:
- To analyze the mechanisms of mitral valve repair failure after isolated chordal replacement and annuloplasty.
- To identify factors influencing the need for reoperation and the choice between re-repair and replacement.
Main Methods:
- Retrospective observational study of all mitral valve reoperations after isolated MVr.
- Data collected from the German Heart Center Munich between 2003 and 2010.
- Analysis of failure mechanisms, re-repair techniques, and outcomes.
Main Results:
- 11.0% of 344 patients required reoperation after a mean follow-up of 9.7 years.
- Primary failure mechanisms included disease progression (39.5%), technical failure (36.8%), and endocarditis (18.4%).
- Re-repair was feasible in 28.9% of cases, particularly for technical failures, while mitral valve replacement was more common for sclerosis.
Conclusions:
- Mitral valve repair using chordal replacement offers various re-repair options, including transcatheter approaches.
- Redo MVr is more successful in cases of technical failure.
- Mitral valve replacement is frequently necessary for patients with mitral valve sclerosis.
Related Concept Videos
01:27Mitral Valve Prolapse I: Introduction
4
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...
4
01:20Mitral Regurgitation I: Introduction
4
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...
4
01:22Mitral Stenosis I: Introduction
2
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...
2
01:25Mitral Regurgitation III: Medical Management
4
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...
4
01:22Mitral Valve Prolapse II: Assessment and Management
3
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...
3
01:23Mitral Regurgitation II: Clinical features and Diagnostic Tests
5
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...
5