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Related Concept Videos

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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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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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, 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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Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
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Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
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Histopathological changes in dilated ascending aorta associated with aortic valve cuspidity.

Mikita Karalko1, Vaclav Stejskal2, Martin Dergel1

  • 1Department of Cardiac Surgery, University Hospital Hradec Kralove and Charles University, Faculty of Medicine in Hradec Kralove, Hradec Kralove, Czech Republic.

European Journal of Cardio-Thoracic Surgery : Official Journal of the European Association for Cardio-Thoracic Surgery
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PubMed
Summary

Tricuspid aortic valve patients show more severe aortic wall abnormalities than bicuspid aortic valve patients. These histological changes in the ascending aorta did not correlate with aortic diameter or patient age.

Keywords:
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Area of Science:

  • Cardiovascular pathology
  • Aortic diseases
  • Histology

Background:

  • Bicuspid aortic valve (BAV) is often associated with ascending aorta dilation.
  • The pathogenesis of aortic wall changes in BAV remains debated.
  • Tricuspid aortic valve (TAV) patients also experience aortic abnormalities.

Purpose of the Study:

  • Compare ascending aorta histological abnormalities in BAV and TAV patients.
  • Investigate correlations between histological findings, aortic diameter, and patient age.

Main Methods:

  • Retrospective analysis of 376 patients undergoing aortic surgery.
  • Histopathological examination of ascending aorta samples.
  • Comparison of BAV and TAV groups.

Main Results:

  • TAV patients exhibited significantly higher degrees of elastic fibre fragmentation/loss and mucoid extracellular matrix accumulation compared to BAV patients (P < 0.001).
  • No significant correlation was found between histological abnormalities and aortic diameter in either group.
  • No significant correlation was found between histological abnormalities and patient age in either group.

Conclusions:

  • Ascending aorta in TAV patients displays more severe histological abnormalities than in BAV patients.
  • Histological changes in the ascending aorta are not strongly correlated with aortic diameter or patient age.