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Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

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...
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Aneurysm I: Introduction01:30

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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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Aortic Regurgitation I: Introduction01:15

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

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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...
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Aortic Regurgitation III: Medical Management01:25

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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

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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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Is there any association between aortic root rotation angle and aortic dissection?

Maryam Moradi1, Raheleh Sadat Mirfasihi1

  • 1Department of Radiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.

Indian Journal of Thoracic and Cardiovascular Surgery
|October 16, 2020
PubMed
Summary

Increased aortic root rotation angle is linked to thoracic aortic dissection. This study found a direct association, with higher angles observed in females, suggesting a potential risk factor for this serious condition.

Keywords:
Aortic rootAortic valveComputed tomography angiography

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Area of Science:

  • Cardiovascular Research
  • Radiology
  • Medical Imaging

Background:

  • Thoracic aortic dissection is a life-threatening condition requiring prompt diagnosis and management.
  • The precise causes of thoracic aortic dissection remain incompletely understood.
  • This study investigates the relationship between aortic root rotation and ascending aortic dissection.

Purpose of the Study:

  • To assess the association between aortic root rotation angle and ascending aortic dissection.
  • To compare aortic root rotation and diameter in patients with and without dissection.

Main Methods:

  • A retrospective case-control study involving 25 patients with ascending aortic dissection and 75 controls.
  • Computed tomography (CT) angiography was used to measure aortic root rotation angle and aortic diameter.
  • Statistical analysis was performed to compare measurements between groups.

Main Results:

  • Patients with ascending aortic dissection exhibited significantly greater aortic root rotation angles (22.5° ± 10.5°) and aortic diameters (43.1 mm ± 12.5 mm) compared to controls (15.7° ± 10.7° and 30.7 mm ± 5.3 mm).
  • A direct correlation was observed between aortic root rotation angle and aortic diameter (P = 0.007).
  • Females demonstrated significantly higher aortic root rotation angles (P = 0.02).

Conclusions:

  • Aortic root rotation angle is independently associated with thoracic aortic dissection.
  • Elevated aortic root rotation angles may serve as a potential indicator for ascending aortic dissection, particularly in females.