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Related Concept Videos

Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

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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...
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Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

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Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

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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...
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Mitral Valve Prolapse II: Assessment and Management01:22

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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...
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Related Experiment Video

Updated: Apr 7, 2026

Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model
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Percutaneous pulmonary valve placement.

Athar M Qureshi, Lourdes R Prieto

    Texas Heart Institute Journal
    |July 16, 2015
    PubMed
    Summary
    This summary is machine-generated.

    Congenital heart disease patients often need repeated pulmonary valve replacements. Percutaneous pulmonary valve implantation offers a less invasive option, potentially reducing lifelong surgical interventions for these individuals.

    Keywords:
    Bioprosthesischronic diseaseheart defects, congenital/therapyheart valve prosthesis implantation/methods/trendsminimally invasive surgical procedures/trendspulmonary valve stenosisstentstetralogy of Fallot/surgery

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    A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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    Area of Science:

    • Cardiology
    • Cardiovascular Surgery
    • Medical Devices

    Background:

    • Congenital heart disease and pulmonary valve disease necessitate lifelong interventions.
    • Existing right ventricle-to-pulmonary artery conduits have limited durability.
    • Chronic pulmonary stenosis and/or regurgitation negatively impact ventricular function and patient status.

    Purpose of the Study:

    • To evaluate the potential of percutaneous pulmonary valve implantation (PPVI) as a less invasive alternative.
    • To assess the impact of PPVI on reducing the number of future operative procedures for patients.
    • To explore future applications and refinements of PPVI technology.

    Main Methods:

    • Review of current treatment strategies for pulmonary valve disease.
    • Analysis of the emerging percutaneous pulmonary valve implantation procedure.
    • Assessment of the projected long-term benefits and procedural reduction.

    Main Results:

    • Percutaneous pulmonary valve implantation is a novel procedure for pulmonary valve replacement.
    • This technique is anticipated to decrease the cumulative number of surgeries required over a patient's lifetime.
    • Further development may expand its applicability to diverse patient groups.

    Conclusions:

    • Percutaneous pulmonary valve implantation represents a significant advancement in managing pulmonary valve disease.
    • The procedure promises to improve patient outcomes by reducing surgical burden.
    • Ongoing research and refinement are crucial for broader clinical adoption and efficacy.