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Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

65
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...
65
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

58
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...
58
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

56
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...
56
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

36
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...
36
Aneurysm I: Introduction01:30

Aneurysm I: Introduction

35
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...
35
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

36
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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Related Experiment Video

Updated: Sep 26, 2025

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Aortic root widening: "pro et contra".

Balaji Srimurugan1, Neethu Krishna1, Rajesh Jose1

  • 1Department of Cardiovascular & Thoracic Surgery, Amrita Institute of Medical Sciences, Amrita Vishwa Vidyapeetham (Amrita University), Kochi, India.

Indian Journal of Thoracic and Cardiovascular Surgery
|April 25, 2022
PubMed
Summary
This summary is machine-generated.

Aortic root enlargement helps prevent patient-prosthesis mismatch during aortic valve replacement, improving survival. Techniques vary, and careful patient selection is crucial for optimal outcomes in aortic annulus procedures.

Keywords:
Aortic root enlargementAortic valve stenosisManouguianNicksPatient-prosthesis mismatch

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Area of Science:

  • Cardiovascular Surgery
  • Cardiac Valve Disease
  • Aortic Annulus Reconstruction

Background:

  • Patient-prosthesis mismatch after aortic valve replacement (AVR) in small aortic annuli is linked to reduced survival.
  • Aortic root enlargement techniques aim to implant larger prostheses, mitigating mismatch.
  • Posterior annular enlargement is a common approach, while more extensive methods exist.

Purpose of the Study:

  • To review the role and techniques of aortic root enlargement in preventing patient-prosthesis mismatch.
  • To discuss patient selection criteria and potential complications of aortic root enlargement procedures.
  • To highlight the ongoing debate regarding optimal reconstructive materials for the aortic annulus and root.

Main Methods:

  • Literature review of aortic root enlargement techniques for AVR.
  • Analysis of patient selection for aortic annulus widening procedures.
  • Discussion of surgical approaches like Manouguian and Konno-Rastan.

Main Results:

  • Aortic root enlargement facilitates the use of larger aortic valve prostheses, reducing mismatch.
  • Extensive procedures like Manouguian or Konno-Rastan ensure consistent root enlargement.
  • Careful consideration is needed for elderly patients, heavily calcified annuli, and combined procedures.

Conclusions:

  • Aortic root enlargement is beneficial for preventing patient-prosthesis mismatch in small aortic annuli.
  • Patient selection is critical, with younger patients often being ideal candidates.
  • Further research is needed to determine the optimal materials for aortic annulus and root reconstruction.