Related Experiment Video
Updated: May 23, 2026
08:31
A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
Published on: October 16, 2021
Risk of reoperation for mitral bioprosthesis dysfunction
Nicolas Jaussaud1, Vlad Gariboldi, Dominique Grisoli
1Service de Chirurgie Cardiaque, Hôpital de la Timone, Marseille, France. nicolas.jaussaud@ap-hm.fr
The Journal of Heart Valve Disease
|April 6, 2012
Summary
Mitral bioprosthesis reoperation is acceptable for patients without significant comorbidities. Careful patient selection and close follow-up are crucial for successful outcomes after mitral valve replacement.
Area of Science:
- Cardiology
- Cardiac Surgery
- Biomedical Engineering
Background:
- Bioprosthetic valves are commonly chosen for mitral valve replacement.
- The rationale for bioprosthesis choice is unclear in patients requiring reoperation.
- Age is a known predictor for reoperation.
Purpose of the Study:
- To identify risk factors for reoperation after mitral bioprosthesis failure.
- To evaluate outcomes of mitral bioprosthesis reoperation.
Main Methods:
- Retrospective review of 282 patients undergoing reoperation for mitral bioprosthesis failure (1990-2006).
- Analysis of causes for reoperation: degeneration (91%), endocarditis (6%), paravalvular leak (2%).
- Multivariate analysis to identify predictors of operative death.
Main Results:
- Overall operative mortality was 7.4%.
- Predictors of operative death included diabetes mellitus, COPD, NYHA class III/IV, and pulmonary artery pressure > 60 mmHg.
- Associated procedures did not significantly increase mortality risk.
Conclusions:
- Reoperation for mitral bioprosthesis dysfunction is feasible in selected patients.
- Patients should be free from comorbidities and severe mitral disease effects.
- Strict selection criteria and close follow-up are recommended for initial mitral valve replacement recipients.
Related Concept Videos
01:25Mitral 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...
01:26Mitral 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...
01:27Mitral 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...
01:22Mitral 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 tachycardia.
01:20Mitral 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...
01:28Mitral Regurgitation IV: Nursing Management
Mitral regurgitation (MR) is a condition where the mitral valve does not close properly, leading to the backward flow of blood from the left ventricle into the left atrium during systole. This condition can arise from various causes, including rheumatic fever, infective endocarditis, or degenerative valve disease. Effective nursing management is crucial to optimizing patient outcomes and involves comprehensive assessment and targeted interventions.Comprehensive Patient AssessmentA detailed...