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Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

71
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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Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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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...
64
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

63
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...
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Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

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A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
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Aneurysm I: Introduction01:30

Aneurysm I: Introduction

37
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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Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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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

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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Aortic annulus elevation for aortic valve and root replacement.

Jama Jahanyar1, Stefano Mastrobuoni1, Daniel E Munoz1

  • 1Department of Cardiovascular and Thoracic Surgery, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium.

Journal of Cardiac Surgery
|January 24, 2022
PubMed
Summary

Understanding aortic annulus geometry is crucial for valve replacement surgery. Annulus elevation modified an altered aortic annulus, enabling successful graft-reinforced pulmonary-autograft aortic root replacement.

Keywords:
aorta and great vessels

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Cardiac Anatomy

Background:

  • Aortic valve and root replacement demand thorough knowledge of aortic root and annulus anatomy.
  • Asymmetries in these structures must be identified for valve-sparing or root-replacement procedures.
  • Altered aortic annulus geometry can lead to neoaortic valve dysfunction after root replacement.

Purpose of the Study:

  • To describe a case of aortic root replacement in a patient with an altered aortic annulus.
  • To highlight the importance of annulus modification in complex aortic root surgeries.

Main Methods:

  • Surgical modification of the aortic annulus using annulus elevation.
  • Aortic root replacement utilizing a graft-reinforced pulmonary-autograft (Ross procedure variant).

Main Results:

  • Successful aortic root replacement was achieved after annulus elevation.
  • The modified annulus facilitated proper placement and function of the neoaortic valve.

Conclusions:

  • Annulus elevation is a viable technique for managing altered aortic annulus geometry during aortic root replacement.
  • Careful consideration of aortic annulus morphology is essential for optimal outcomes in aortic root surgery.