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Related Concept Videos

Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

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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...
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Mitral Stenosis III: Medical Management01:26

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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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Heart Valves01:16

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The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
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Aortic Regurgitation III: Medical Management01:25

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Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
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Related Experiment Video

Updated: Apr 15, 2026

Closure of a Patent Foramen Ovale PFO: An Intervention Sequence
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A new device for paravalvular leak closure.

Ertugrul Ercan1, Istemihan Tengiz1, Ugur Turk2

  • 1Department of Cardiology, Izmir University Yeni Girne Bulvari 1825 Sok. No:12 Karsiyaka, Izmir, Turkey.

Journal of Geriatric Cardiology : JGC
|April 15, 2015
PubMed
Summary

Closure of prosthetic paravalvular leaks (PVL) using a novel device offers a new solution. This specific device, designed for PVL closure, has not been previously reported in medical literature.

Keywords:
DeviceParavalvular leakPercutaneous interventionProsthetic valve

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Area of Science:

  • Cardiovascular Interventions
  • Medical Device Technology

Background:

  • Prosthetic paravalvular leaks (PVL) present a significant challenge in cardiac surgery.
  • Current percutaneous closure methods often rely on devices not specifically designed for PVL, leading to procedural difficulties.

Observation:

  • This report details the use of a newly developed device engineered explicitly for the percutaneous closure of prosthetic paravalvular leaks.
  • The application of this specialized device represents a novel approach to managing PVL.

Findings:

  • The study introduces a device specifically designed for prosthetic paravalvular leak (PVL) closure.
  • This marks the first reported use of this specialized device in medical literature, specifically absent from MEDLINE searches.

Implications:

  • This specialized device may offer improved outcomes and procedural efficiency for patients with prosthetic paravalvular leaks.
  • Further research and clinical adoption of this device could advance the treatment of PVL.