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Related Experiment Videos

Mitral valve prolapse

R B Devereux, J K Perloff, N Reichek

    Circulation
    |July 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Mitral leaflet prolapse, once a curiosity, is now understood through its historical evolution, functional anatomy, and clinical manifestations. This review synthesizes current data on its complications, associated conditions, and treatment strategies.

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    Area of Science:

    • Cardiology
    • Cardiac Auscultation
    • Valvular Heart Disease

    Background:

    • The systolic click and late systolic murmur were historically considered benign findings.
    • Significant advancements in understanding mitral leaflet prolapse have occurred since its association with these auscultatory findings.
    • A comprehensive review is needed to consolidate the accumulated knowledge on mitral leaflet prolapse.

    Purpose of the Study:

    • To review and synthesize the extensive data accumulated on mitral leaflet prolapse.
    • To provide a comprehensive overview of the historical perspective, functional anatomy, clinical manifestations, complications, associated diseases, and treatment of mitral leaflet prolapse.

    Main Methods:

    • Historical analysis of the evolution of understanding mitral leaflet prolapse.

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  • Review of functional anatomy, including pathology, pathophysiology, hemodynamics, and diagnostic modalities (angiocardiography, echocardiography).
  • Synthesis of clinical data covering prevalence, natural history, symptoms, physical signs, and diagnostic findings (ECG, X-ray).

    • Main Results:

    • The understanding of mitral leaflet prolapse has evolved through distinct phases: pericardial, leaflet-chordal, myocardial, and annular.
    • Major complications include sudden death, infective endocarditis, chordae tendineae rupture, and progressive mitral regurgitation.
    • Associated conditions like Marfan syndrome, atrial septal defect, and coronary artery disease are discussed, along with treatment considerations for endocarditis prophylaxis and arrhythmia management.

    Conclusions:

    • Mitral leaflet prolapse is a complex condition with a wide spectrum of clinical presentations and potential complications.
    • Further research is ongoing regarding etiologic concepts, left ventricular abnormalities, chest pain mechanisms, and the influence of aging and sex on leaflet-chordal redundancy.
    • A thorough understanding of mitral leaflet prolapse is crucial for effective diagnosis, management, and patient care.