Related Experiment Video
Updated: May 10, 2026
08:31
A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
Published on: October 16, 2021
The role of right ventricular function in mitral valve surgery
Xiumei Sun1, Jennifer Ellis, Louis Kanda
1Department of Cardiac Surgery, Washington Hospital Center, Washington, DC 20010, USA.
The Heart Surgery Forum
|June 28, 2013
Summary
Impaired right ventricular function before mitral valve surgery is linked to increased resource use and postoperative regurgitation. However, it does not impact short- or mid-term survival rates following the procedure.
Area of Science:
- Cardiology
- Cardiac Surgery
- Echocardiography
Background:
- Impaired right ventricular function is a known predictor of poor survival in heart failure patients.
- The prognostic significance of right ventricular function in mitral valve (MV) surgery outcomes remains underexplored.
Purpose of the Study:
- To determine the impact of preoperative right ventricular function on postoperative outcomes after mitral valve repair (MVP) or replacement (MVR).
Main Methods:
- 335 patients undergoing MVP or MVR between 2007-2012 were analyzed.
- Preoperative and postoperative echocardiography (transthoracic and transesophageal) assessed right ventricular function and MV performance.
- Patients were categorized into normal-to-mild (grade 1-2) and moderate-to-severe (grade 3-4) right ventricular dysfunction groups.
Main Results:
- 54 patients had moderate-to-severe right ventricular dysfunction (group 2) versus 280 with normal-to-mild dysfunction (group 1).
- Group 2 patients required more MVR, experienced higher rates of postoperative MV regurgitation, and had longer ICU and hospital stays.
- Operative mortality was similar between groups, but group 2 had increased blood product transfusion needs.
Conclusions:
- Preoperative right ventricular dysfunction is associated with increased resource utilization and higher rates of postoperative mitral valve regurgitation.
- Despite these factors, moderate-to-severe right ventricular dysfunction does not significantly affect 1-year survival rates after mitral valve surgery.
More Related Videos
Related Concept Videos
01:22Mitral 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...
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...
01:23Mitral 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...
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...
01:22Mitral 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.