Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Mechanical prostheses: old and new

R B Karp, M E Sand

    Cardiovascular Clinics
    |January 1, 1993
    PubMed
    Summary
    This summary is machine-generated.

    Modern mechanical heart valves offer improved durability and performance, with proper use leading to good patient outcomes. Current options reflect market consolidation due to regulatory and economic factors.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Pseudotumor of the pericardium.

    Pediatric cardiology·1997
    Same author

    Role of hypercholesterolemia in accelerated transplant coronary vasculopathy: results of surgical therapy with partial ileal bypass in rabbits undergoing heterotopic heart transplantation.

    The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation·1997
    Same author

    Prosthetic mitral valve replacement: late complications after native valve preservation.

    The Annals of thoracic surgery·1997
    Same author

    Assessing myocardial perfusion with Albunex during coronary artery bypass surgery: technical considerations and safety of aortic root injections.

    Journal of cardiothoracic and vascular anesthesia·1996
    Same author

    Spontaneous acquisition of discontinuous pulmonary arteries.

    The Annals of thoracic surgery·1996
    Same author

    University surgical group.

    The Annals of thoracic surgery·1995
    Same journal

    Echo-Doppler in valvular heart disease.

    Cardiovascular clinics·1993
    Same journal

    Acute rheumatic fever.

    Cardiovascular clinics·1993
    Same journal

    Immediate postoperative management.

    Cardiovascular clinics·1993
    Same journal

    Valvular disease in the elderly.

    Cardiovascular clinics·1993
    Same journal

    Cardiac magnetic resonance imaging.

    Cardiovascular clinics·1993
    Same journal

    Aneurysmal disease.

    Cardiovascular clinics·1992
    See all related articles

    Area of Science:

    • Cardiovascular Surgery
    • Biomedical Engineering
    • Prosthetic Devices

    Background:

    • Over 50 mechanical heart valves have been developed since the 1950s, with only four currently available in the U.S. market.
    • The evolution of these devices has been driven by the need for improved durability, hemodynamic performance, and reduced complications.
    • Market consolidation is attributed to regulatory hurdles, product liability concerns, and intellectual property rights.

    Purpose of the Study:

    • To review the evolution of mechanical heart valves.
    • To discuss modes of valve failure and clinical expectations.
    • To evaluate current prostheses, implantation considerations, surveillance, and anticoagulation strategies.

    Main Methods:

    • Literature review of mechanical heart valve development and performance.

    Related Experiment Videos

  • Analysis of clinical outcomes associated with different valve generations.
  • Discussion of specific valve characteristics and their suitability for various patient populations.

    • Main Results:

    • Current mechanical valves demonstrate ease of implantation, enhanced durability, and good hemodynamic function.
    • Proper anticoagulation is crucial for reducing thromboembolism and thrombosis.
    • The St. Jude Medical (SJM) valve is highlighted for its suitability in pediatric patients and specific mitral valve replacements due to its low profile and hinge mechanism.

    Conclusions:

    • Good clinical results are achievable with current mechanical heart valves when used and monitored appropriately.
    • The choice of valves has narrowed, impacting surgical options.
    • Ongoing evaluation of new prostheses and optimization of implantation and anticoagulation remain critical.