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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...
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...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
Aneurysm IV: Nursing Management01:22

Aneurysm IV: Nursing Management

Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
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...

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Related Experiment Video

Updated: Jun 5, 2026

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

Risk factor analysis for acute type A aortic dissection after aortic valve replacement.

Koji Tsutsumi1, Yoshito Inoue, Kenichi Hashizume

  • 1Department of Cardiovascular Surgery, Saiseikai Utsunomiya Hospital, 911-1 Takebayashi-machi, Utsunomiya, Tochigi, 321-0974, Japan. koji_tsutsumi@saimiya.com

General Thoracic and Cardiovascular Surgery
|December 21, 2010
PubMed
Summary

Previous aortic valve replacement (AVR) increases the risk of late acute type A aortic dissection (AAAD). Ascending aortic dilatation (≥45 mm) at AVR, combined with other factors, predicts this complication.

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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

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Last Updated: Jun 5, 2026

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
14:14

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

Area of Science:

  • Cardiovascular Surgery
  • Aortic Diseases
  • Aortic Dissection

Background:

  • Previous aortic valve replacement (AVR) is an established risk factor for late acute type A aortic dissection (AAAD).
  • Predictors for late AAAD following AVR require further characterization to improve patient management.

Purpose of the Study:

  • To identify predictors of late acute type A aortic dissection (AAAD) in patients who have undergone previous aortic valve replacement (AVR).

Main Methods:

  • A cohort of 285 patients undergoing isolated AVR was followed for a mean of 7.6 years.
  • Patients were categorized into two groups: those who developed late AAAD (n=10) and those who did not (n=275).

Main Results:

  • Patients who developed late AAAD had a significantly greater ascending aortic diameter (≥45 mm) at the time of AVR compared to controls.
  • Additional predictors identified included aortic regurgitation, systemic hypertension, aortic wall fragility, and male sex.

Conclusions:

  • Ascending aortic dilatation (≥45 mm) combined with aortic regurgitation, hypertension, male sex, and fragile aortic walls are predisposing factors for post-AVR AAAD.
  • Consider concomitant ascending aorta replacement in these high-risk patients, balancing against operative risk and age.