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Related Concept Videos

Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

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...
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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...
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

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...
Heart Valves01:16

Heart Valves

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...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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

Mitral Valve Prolapse II: Assessment and Management

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 tachycardia.

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Related Experiment Video

Updated: Jun 6, 2026

Investigating Aortic Valve Calcification via Isolation and Culture of T Lymphocytes using Feeder Cells from Irradiated Buffy Coat
04:30

Investigating Aortic Valve Calcification via Isolation and Culture of T Lymphocytes using Feeder Cells from Irradiated Buffy Coat

Published on: February 4, 2021

Aortic valve disease: preventable or inevitable?

Farouk Mookadam1, Uzma Jalal, Susan Wilansky

  • 1Department of Cardiovascular Diseases, Mayo Clinic College of Medicine, 13400 E Shea Blvd, Scottsdale, AZ 85259, USA. mookadam.farouk@mayo.edu

Future Cardiology
|December 15, 2010
PubMed
Summary
This summary is machine-generated.

Calcific aortic valve stenosis, a common heart condition, is now viewed as an active process. While statins showed promise in early studies, later randomized trials yielded disappointing results for treating this condition.

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Isolation of Human Primary Valve Cells for In vitro Disease Modeling
07:31

Isolation of Human Primary Valve Cells for In vitro Disease Modeling

Published on: April 16, 2021

Related Experiment Videos

Last Updated: Jun 6, 2026

Investigating Aortic Valve Calcification via Isolation and Culture of T Lymphocytes using Feeder Cells from Irradiated Buffy Coat
04:30

Investigating Aortic Valve Calcification via Isolation and Culture of T Lymphocytes using Feeder Cells from Irradiated Buffy Coat

Published on: February 4, 2021

Isolation of Human Primary Valve Cells for In vitro Disease Modeling
07:31

Isolation of Human Primary Valve Cells for In vitro Disease Modeling

Published on: April 16, 2021

Area of Science:

  • Cardiology
  • Biochemistry
  • Pathology

Background:

  • Calcific aortic valve stenosis (CAVS) is the most prevalent heart valve disease in Western countries.
  • It is a leading indication for aortic valve replacement, associated with population aging and high-calorie diets.
  • CAVS is now understood as an active, atherosclerosis-like process, not merely passive wear and tear.

Purpose of the Study:

  • To investigate the potential of statins in altering the progression of calcific aortic valve stenosis.
  • To reconcile findings from retrospective studies with randomized clinical trials regarding statin efficacy in CAVS.

Main Methods:

  • Review of retrospective studies on statin use in early-stage CAVS.
  • Analysis of outcomes from randomized clinical trials evaluating statins for CAVS.

Main Results:

  • Retrospective studies suggested benefits of statin therapy in the early stages of CAVS.
  • Subsequent randomized clinical trials demonstrated disappointing or inconclusive results regarding statin efficacy.

Conclusions:

  • The therapeutic role of statins in calcific aortic valve stenosis remains uncertain.
  • Further research is needed to clarify the mechanisms and potential treatments for CAVS, given the conflicting study outcomes.