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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...
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...
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 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...

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Related Experiment Video

Updated: Jun 6, 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: An update.

Sangeetha Nathaniel1, Shreyas Saligram, Antony Leslie Innasimuthu

  • 1Sangeetha Nathaniel, Department of Medicine, Sri Ramachandra Medical College, Chennai, 600116, India.

World Journal of Cardiology
|December 17, 2010
PubMed
Summary
This summary is machine-generated.

Aortic stenosis (AS) is a growing concern in aging populations worldwide. Recent research reveals AS impacts the whole body, not just the valve, prompting new assessment and management strategies.

Keywords:
Aortic stenosisDiagnosis of aortic stenosisMedical management of aortic stenosisValvular heart disease

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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 6, 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
  • Vascular Biology

Background:

  • Aortic stenosis (AS) is the most prevalent valvular heart disease globally.
  • Increasing prevalence in aging populations worldwide impacts mortality, morbidity, and healthcare systems.
  • AS is increasingly recognized as a systemic vascular disease, not limited to the aortic valve.

Purpose of the Study:

  • To review current understanding of aortic stenosis etiology and pathophysiology.
  • To discuss advancements in disease severity assessment for optimal valve replacement timing.
  • To explore emerging treatment options and future medical therapies for AS.

Main Methods:

  • Literature review of recent studies on aortic stenosis.
  • Analysis of research on systemic vascular involvement in AS.
  • Evaluation of evolving disease assessment tools and therapeutic trials.

Main Results:

  • AS pathophysiology involves systemic vasculature beyond the aortic valve.
  • Novel assessment methods may improve prediction of optimal intervention timing.
  • Ongoing trials explore potential medical treatments for AS.

Conclusions:

  • Understanding of AS has significantly advanced, revealing its systemic nature.
  • Improved assessment and management strategies are under development.
  • The future may hold medical treatments to complement valve replacement therapy for AS.