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Related Concept Videos

Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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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 II: Clinical Features and Diagnostic Tests01:22

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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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Atherosclerosis II: Clinical Manifestations and Diagnostic Tests01:27

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Atherosclerosis is a progressive disorder that leads to the thickening and narrowing of arterial walls due to plaque buildup. This condition can cause various symptoms depending on the arteries affected:Coronary Artery Disease (CAD): This condition affects the coronary arteries and may lead to chest pain (angina), shortness of breath (dyspnea), heart attacks, and other heart disease symptoms.Cerebrovascular Disease: This affects blood flow to the brain, causing transient ischemic attacks (TIAs)...
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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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Thoracic Aorta01:15

Thoracic Aorta

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The thoracic section of the aorta begins at the T5 vertebra and extends to the T12 level at the diaphragm, initially progressing through the mediastinum to the left of the spinal column. Throughout its course in the thoracic segment, the thoracic aorta emits various offshoots known collectively as visceral and parietal branches. The branches that predominantly supply blood to visceral organs are termed visceral branches and include bronchial, pericardial, esophageal, and mediastinal arteries,...
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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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Genetically Triggered Thoracic Aortic Disease: Who Should be Tested?

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Summary

Genetic variants cause up to 25% of thoracic aortic disease cases, known as heritable thoracic aortic diseases (HTAD). Identifying these genetic causes is crucial for patient management and understanding inheritance risks.

Keywords:
Marfan syndrome (MFS)genetic testinggenetic variantsheritable thoracic aortic diseases (HTAD)nonsyndromic HTADthoracic aortic aneurysms (TAD)

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Area of Science:

  • Cardiovascular Medicine
  • Genetics
  • Medical Diagnostics

Background:

  • Heritable thoracic aortic diseases (HTAD) encompass a range of genetic disorders affecting up to 25% of thoracic aortic disease patients.
  • Underlying Mendelian pathogenic variants significantly influence clinical management, surgical decisions, and familial inheritance risks.

Purpose of the Study:

  • To highlight the critical importance of diagnosing genetic variants in patients with thoracic aortic disease.
  • To emphasize the implications of genetic findings for personalized medical care, surveillance, and surgical thresholds.
  • To align with recent 2022 guidelines recommending genetic testing for at-risk individuals.

Main Methods:

  • Review of current literature and clinical guidelines regarding heritable thoracic aortic diseases.
  • Analysis of the impact of genetic variant diagnosis on patient management strategies.
  • Integration of recent recommendations from the 2022 American College of Cardiology/American Heart Association guidelines.

Main Results:

  • A significant proportion of thoracic aortic disease cases are linked to underlying Mendelian genetic variants.
  • Genetic diagnosis impacts critical aspects of care including medical management, surgical intervention criteria, and pregnancy counseling.
  • Updated guidelines emphasize the need for systematic genetic evaluation in at-risk populations.

Conclusions:

  • Accurate diagnosis of pathogenic gene variants in thoracic aortic disease is essential for effective patient care.
  • Genetic testing provides vital information for risk stratification, treatment planning, and family screening.
  • Adherence to updated guidelines ensures optimal management of heritable thoracic aortic diseases.