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Aortic Regurgitation I: Introduction

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 Tests

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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 I: Introduction

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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 I: Introduction

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Related Experiment Video

Updated: May 15, 2026

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

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

Published on: February 4, 2021

Frailty and aortic valve disease.

¹Baylor Health Care System, The Heart Hospital, Plano, Tex, USA. jillian.clark@baylorhealth.edu

The Journal of Thoracic and Cardiovascular Surgery

|December 25, 2012

Summary

Frailty assessment is crucial for elderly patients undergoing transcatheter aortic valve replacement (TAVR). Incorporating objective frailty measures like gait speed can better predict outcomes and guide treatment decisions for aortic stenosis.

Area of Science:

Gerontology
Cardiology
Clinical Medicine

Background:

Frailty is prevalent in older adults, affecting about half of patients evaluated for transcatheter aortic valve replacement (TAVR).
Accurate assessment of intervention benefit is critical for elderly patients with aortic stenosis, given the availability of both surgical aortic valve replacement and TAVR.
Current risk algorithms for surgical procedures do not incorporate frailty measures.

Purpose of the Study:

To highlight the necessity of frailty assessment in elderly patients undergoing TAVR.
To emphasize the importance of objective frailty measures in predicting outcomes for this population.
To advocate for the wider application of frailty assessments in TAVR candidates.

Main Methods:

Review of current practices in assessing elderly patients for aortic stenosis interventions.

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Identifying Frailty Using Point-of-Care Ultrasonography: Image Acquisition and Assessment

Identifying Frailty Using Point-of-Care Ultrasonography: Image Acquisition and Assessment

Published on: July 26, 2024

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Last Updated: May 15, 2026

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

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

Published on: February 4, 2021

Identifying Frailty Using Point-of-Care Ultrasonography: Image Acquisition and Assessment

Identifying Frailty Using Point-of-Care Ultrasonography: Image Acquisition and Assessment

Published on: July 26, 2024

Discussion of the role of frailty in predicting outcomes in cardiac surgery.

Identification of gait speed (5-m walk test) as a key objective frailty measure.

Main Results:

Frailty is common in TAVR candidates and impacts intervention benefit assessment.
Objective frailty measures, such as gait speed, are independent predictors of mortality and morbidity in cardiac surgery.
Current risk algorithms lack frailty assessment, potentially underestimating risk in frail elderly patients.

Conclusions:

Frailty assessment is essential for determining true risk and potential benefit in elderly patients considered for TAVR.
Objective measures like gait speed should be widely applied in the TAVR population to assess predictive value.
Integrating frailty assessment can improve clinical decision-making for older adults with aortic stenosis.