Related Experiment Video
Updated: May 21, 2026
08:31
A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
Published on: October 16, 2021
Mitral valve surgery for dilated cardiomyopathy: current status and future roles
Pavan Atluri1, Michael A Acker
1Division of Cardiovascular Surgery, Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
Seminars in Thoracic and Cardiovascular Surgery
|May 31, 2012
Summary
Surgical repair of severe functional mitral regurgitation in heart failure patients shows symptomatic improvement and reverse remodeling. Mitral valve repair is safe with low mortality, though more data are needed.
Area of Science:
- Cardiology
- Cardiac Surgery
- Heart Failure Research
Background:
- Dilated cardiomyopathy frequently causes functional mitral regurgitation.
- Management decisions for severe mitral regurgitation in heart failure are challenging.
- Existing data on surgical intervention outcomes are conflicting.
Purpose of the Study:
- To evaluate the effectiveness and safety of surgical correction for severe functional mitral regurgitation in heart failure.
- To assess symptomatic improvements and reverse remodeling post-surgery.
- To address contradictory data regarding long-term benefits and mortality.
Main Methods:
- Review of recent data and clinical observations.
- Analysis of outcomes following mitral valve repair in heart failure patients.
- Consideration of evidence from multi-institutional, randomized prospective trials.
Main Results:
- Surgical correction can lead to symptomatic improvement and reverse remodeling in heart failure patients.
- Mitral valve repair appears to be a safe procedure with minimal postoperative mortality.
- Current data suggest benefits contrary to some prior beliefs.
Conclusions:
- Mitral valve repair is a viable and safe option for severe functional mitral regurgitation in heart failure.
- Further data from large prospective trials are necessary to fully clarify long-term outcomes and address remaining concerns.
- Symptomatic and remodeling benefits observed warrant continued investigation.
Related Concept Videos
01:29Cardiomyopathy V: Interprofessional Care
Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
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...
01:22Mitral 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.
01:30Cardiomyopathy II: Dilated Cardiomyopathy
Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
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...
01:29Cardiomyopathy III: Hypertrophic Cardiomyopathy
Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...