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Related Concept Videos

Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
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...
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...
Aneurysm I: Introduction01:30

Aneurysm I: Introduction

An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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...
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...

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Related Experiment Video

Updated: Jun 25, 2026

A Minimally Invasive Model of Aortic Stenosis in Swine
06:51

A Minimally Invasive Model of Aortic Stenosis in Swine

Published on: October 20, 2023

Aortic stenosis.

Blase A Carabello1, Walter J Paulus

  • 1Baylor College of Medicine, Department of Medicine and Veterans Affairs Medical Center, Houston, TX, USA.

Lancet (London, England)
|February 24, 2009
PubMed
Summary
This summary is machine-generated.

Aortic stenosis, a common heart valve disease in aging populations, is fatal if untreated but manageable with timely intervention. New treatments offer hope for patients.

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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

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Last Updated: Jun 25, 2026

A Minimally Invasive Model of Aortic Stenosis in Swine
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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

Published on: May 21, 2017

Area of Science:

  • Cardiology
  • Geriatrics
  • Valvular Heart Disease

Background:

  • Aortic stenosis is the most common valvular heart disease in developed countries.
  • It is a manifestation of aging, increasing in prevalence with an aging population.
  • Symptomatic severe aortic stenosis is fatal if untreated but treatable with mechanical relief.

Purpose of the Study:

  • To review the management of aortic stenosis across disease severities.
  • To discuss the impact of new percutaneous treatments.
  • To address controversies and promise in aortic stenosis patient care.

Main Methods:

  • Literature review of aortic stenosis management.
  • Discussion of current and emerging treatment strategies.
  • Analysis of clinical outcomes and patient management.

Main Results:

  • Untreated symptomatic severe aortic stenosis leads to universal mortality.
  • Timely mechanical relief of stenosis is associated with a typical lifespan.
  • New percutaneous treatments present both challenges and opportunities.

Conclusions:

  • Management strategies for aortic stenosis vary by disease severity.
  • Percutaneous interventions are transforming aortic stenosis treatment.
  • Further research is needed to optimize patient care and outcomes.