Related Experiment Video

Updated: Aug 14, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
14:14

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

[A ten years' experience with 613 mitral valve replacements]

Z J Geng

    Zhonghua Wai Ke Za Zhi [Chinese Journal of Surgery]
    |January 1, 1989
    PubMed

    Insights

    Early mitral valve replacement (MVR) is crucial to reduce mortality. Factors like emergency surgery and advanced heart conditions significantly increase early and late death risks after MVR.

    Area of Science:

    • Cardiovascular Surgery
    • Cardiac Valve Disease
    • Surgical Outcomes Research

    Context:

    • Isolated mitral valve replacement (MVR) is a common cardiac procedure.
    • Understanding factors influencing mortality is vital for patient management.
    • This study analyzes outcomes in 613 patients undergoing MVR.

    Purpose:

    • To identify risk factors associated with early and late mortality after isolated mitral valve replacement.
    • To compare outcomes between mechanical tilting disc valves and porcine xenograft bioprostheses.
    • To provide recommendations for optimizing MVR surgical timing and postoperative care.

    Summary:

    • The study evaluated 613 patients undergoing isolated mitral valve replacement (MVR) between 1978 and 1987.
    • Early mortality was 4.89%, with emergency operations, biventricular hypertrophy, pulmonary hypertension, functional class IV, and reoperation identified as significant risk factors (P < 0.01).
    • Late mortality was higher in patients with mitral insufficiency, functional class IV, and left ventricular hypertrophy with strain (P < 0.01).

    Impact:

    • Recommends early MVR before significant comorbidities develop to improve surgical outcomes.
    • Suggests continued digitalis and/or diuretic therapy for 6-12 months postoperatively to enhance cardiac function.
    • Highlights a preference for mechanical valves due to bioprosthesis durability concerns.

    More Related Videos

    A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair08:31

    A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

    Published on: October 16, 2021

    Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels08:12

    Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels

    Published on: May 26, 2023

    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 Valve Prolapse II: Assessment and Management01:22

    Mitral 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.
    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...