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Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

220
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...
221
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

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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...
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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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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

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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: Nov 28, 2025

A Model of Reverse Vascular Remodeling in Pulmonary Hypertension Due to Left Heart Disease by Aortic Debanding in Rats
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Aortic Root Remodeling in Acute Aortic Dissection.

Tristan Ehrlich1, Irem Karliova1, Lennart Froede1

  • 1Department of Thoracic and Cardiovascular Surgery, Saarland University Medical Center, Homburg, Germany.

The Thoracic and Cardiovascular Surgeon
|December 1, 2020
PubMed
Summary

Aortic root remodeling offers comparable long-term stability to tubular ascending aortic replacement for acute aortic dissection type A. This surgical approach demonstrates similar survival and reoperation rates, defining operative risk and ensuring root and valve stability.

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Surgery

Background:

  • Acute aortic dissection type A (AADA) poses significant risks.
  • Surgical management of AADA often involves the aortic root.
  • Long-term outcomes of aortic root remodeling in AADA require evaluation.

Purpose of the Study:

  • To evaluate long-term results of aortic root remodeling in AADA.
  • To define operative risk associated with aortic root remodeling.
  • To assess aortic root and valve stability after remodeling.

Main Methods:

  • Retrospective analysis of 352 AADA patients (Oct 1995-Dec 2018).
  • 90 patients with AADA underwent aortic root remodeling.
  • Control group: 227 patients with normal aortic roots treated with tubular ascending aortic replacement (TAR).

Main Results:

  • Early mortality: 9% (remodeling) vs. 15% (TAR).
  • 15-year actuarial survival: 58.3% (remodeling) vs. 66% (TAR) (p=0.99).
  • 15-year freedom from reoperation: 89% (remodeling) vs. 91% (TAR) (p=0.75).

Conclusions:

  • Aortic root remodeling provides long-term stability comparable to TAR in AADA.
  • Remodeling is a viable option for enlarged aortic roots in AADA.
  • Outcomes suggest similar safety and efficacy between remodeling and TAR.