Related Experiment Video
Updated: Jul 3, 2026
08:49
Use of Two Intracorporeal Ventricular Assist Devices As a Total Artificial Heart
Published on: May 11, 2018
Mechanical mitral prosthesis with a short-term left ventricular assist device.
Shafi Mussa1, Stephen Large, Steven Tsui
1Department of Cardiothoracic Surgery, Papworth Hospital, Papworth Everard, Cambridge, UK.
ASAIO Journal (American Society for Artificial Internal Organs : 1992)
|July 23, 2008
Summary
Mechanical circulatory support with ventricular assist devices can cause complications in patients with mechanical heart valves. Careful device management may avoid risky valve replacement, improving outcomes.
Area of Science:
- Cardiology
- Cardiovascular Surgery
- Biomedical Engineering
Background:
- Mechanical circulatory support (MCS) using ventricular assist devices (VADs) in patients with mechanical heart valves presents risks.
- Thromboembolic and hemodynamic complications are significant concerns.
- Current strategies often involve reoperation for bioprosthetic valve replacement.
Observation:
- This case report focuses on a patient with a mechanical mitral prosthesis requiring MCS.
- The patient underwent a 10-day period of mechanical circulatory support.
- The mechanical mitral prosthesis was retained during MCS.
Findings:
- Successful management of the VAD allowed adequate flow across the mechanical mitral prosthesis.
- The patient experienced a positive outcome without needing redo valve replacement.
- This approach potentially avoids the risks associated with reoperative valve surgery.
Implications:
- Careful VAD management may be a viable alternative to bioprosthetic valve replacement in select patients.
- Avoiding reoperative valve surgery can prevent further myocardial ischemia, crucial for recovery.
- This strategy may improve outcomes for patients needing MCS with mechanical valves.
Related Concept Videos
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.
01:26Mitral 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 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...
01:29Cardiomyopathy 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...
01:25Mitral 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...
01:27Mitral 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...