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Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

96
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
96
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

92
IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
92
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

58
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...
58
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

87
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...
87

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Related Experiment Video

Updated: Oct 26, 2025

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
08:31

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

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Plugging Paravalvular Leak in Transcatheter Aortic Valves.

Sean M Conte1, Katherine Kearney1, Pankaj Jain1

  • 1Department of Cardiology, St. Vincent's Hospital Sydney, Darlinghurst, Australia.

JACC. Case Reports
|July 28, 2021
PubMed
Summary
This summary is machine-generated.

Paravalvular leak after transcatheter aortic valve replacement poses risks. Malleable vascular closure devices offer a novel approach for complex defect repair, improving patient outcomes.

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Medical Device Technology

Background:

Keywords:
AVP, Amplatzer vascular plugLVEF, left ventricular ejection fractionPVL, paravalvular prosthetic leakTAVR, transcatheter aortic valve replacementTTE, transthoracic echocardiogramaortic valvecomplicationvalve replacement

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  • Paravalvular leak (PVL) is a significant complication following transcatheter aortic valve replacement (TAVR).
  • PVL can lead to adverse hemodynamic effects and impact long-term patient prognosis.
  • Complex PVL anatomies present substantial challenges for effective treatment.