Related Experiment Video
Updated: Apr 8, 2026
07:42
An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
Published on: May 19, 2020
7.7K
Personalized Computational Modeling of Mitral Valve Prolapse: Virtual Leaflet Resection
Yonghoon Rim1, Ahnryul Choi1, David D McPherson1
1Division of Cardiovascular Medicine, Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, Texas, United States of America.
Plos One
|June 24, 2015
Summary
Virtual reality mitral valve repair using patient-specific 3D data effectively restored leaflet coaptation and reduced stress in degenerative mitral valve disease, improving surgical planning.
Area of Science:
- Cardiovascular Surgery
- Biomedical Engineering
- Computational Modeling
Background:
- Posterior leaflet prolapse is a common cause of degenerative mitral valve disease.
- Quadrangular resection with ring annuloplasty is a standard surgical repair for posterior leaflet prolapse.
Purpose of the Study:
- To develop and validate a personalized computational simulation protocol for virtual mitral valve repair.
- To assess the biomechanical and physiological impact of virtual quadrangular resection and annuloplasty on mitral valve function.
Main Methods:
- Created a patient-specific 3D virtual mitral valve model from echocardiographic data.
- Simulated quadrangular resection of the posterior leaflet and annuloplasty ring implantation.
- Performed dynamic finite element analysis to evaluate pre- and post-repair valve function.
Main Results:
- Pre-repair simulation showed poor leaflet coaptation and severe mitral regurgitation.
- Virtual repair significantly reduced prolapse, restored leaflet coaptation, and eliminated stress concentrations.
- Simulated repair improved biomechanical function and reduced excessive stress.
Conclusions:
- Personalized virtual mitral valve repair is a promising strategy for surgical planning.
- This approach can optimize repair techniques, predict outcomes, and enhance patient care.
- Computational simulation offers a novel method for evaluating mitral valve repair efficacy.
Related Concept Videos
01:27Mitral Valve Prolapse I: Introduction
951
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...
951
01:22Mitral Valve Prolapse II: Assessment and Management
1.2K
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...
1.2K
01:20Mitral Regurgitation I: Introduction
1.1K
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...
1.1K
01:26Mitral Stenosis III: Medical Management
475
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...
475
01:19Mitral Valve Prolapse III: Nursing Management
535
The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...
535
01:25Mitral Regurgitation III: Medical Management
590
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...
590