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Related Concept Videos

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...
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...
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 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...
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: May 9, 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

Introduction to aortic stenosis.

Blase A Carabello1

  • 1Veterans Affairs Medical Center, Medical Service III, Houston, TX 77030, USA. blaseanthony.carabello@med.va.gov

Circulation Research
|July 9, 2013
PubMed
Summary

Aortic stenosis, a common heart valve disease, is increasingly linked to inflammation similar to atherosclerosis. Early symptom detection and aortic valve replacement, including new transcatheter methods, are crucial for improving life expectancy.

Keywords:
aortic valve stenosisheart valve diseasesheart valves

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O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy
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O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy

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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

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Last Updated: May 9, 2026

A Minimally Invasive Model of Aortic Stenosis in Swine
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A Minimally Invasive Model of Aortic Stenosis in Swine

Published on: October 20, 2023

O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy
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O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy

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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
12:17

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

Published on: May 21, 2017

Area of Science:

  • Cardiology
  • Valvular Heart Disease
  • Cardiovascular Medicine

Background:

  • Aortic stenosis is the most prevalent valvular heart disease globally.
  • Historically caused by rheumatic fever, it is now commonly linked to inflammatory processes resembling atherosclerosis.
  • The typical age of severe obstruction onset has shifted from the 50s to the 80s.

Purpose of the Study:

  • To review the current understanding of aortic stenosis pathogenesis and clinical presentation.
  • To highlight the significance of symptom onset in determining patient outcomes.
  • To discuss the evolving treatment modalities, including transcatheter aortic valve replacement.

Main Methods:

  • Literature review of valvular heart disease, focusing on aortic stenosis.
  • Analysis of epidemiological shifts in disease etiology and age of onset.
  • Evaluation of current and emerging therapeutic strategies for aortic stenosis.

Main Results:

  • Aortic stenosis pathogenesis has shifted towards an inflammatory process similar to atherosclerosis.
  • Later age of onset complicates symptom attribution due to comorbidities.
  • Aortic valve replacement remains the definitive treatment for symptomatic severe aortic stenosis.

Conclusions:

  • Transcatheter aortic valve replacement offers a safe and effective alternative to traditional surgery.
  • This minimally invasive approach has the potential to revolutionize aortic stenosis management.
  • Prompt diagnosis and intervention are critical for improving survival in aortic stenosis patients.