Related Experiment Video

Updated: Oct 10, 2026

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

Iatrogenic coronary artery dissections extending into and involving the aortic root

D W Dunning1, J K Kahn, E T Hawkins

  • 1Division of Cardiology, Department of Medicine, William Beaumont Hospital, Royal Oak, Michigan, USA.

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
|December 7, 2000
PubMed

Insights

Iatrogenic coronary artery dissection extending to the aorta is rare (0.02% incidence). Acute myocardial infarction patients had higher rates. Management varied based on dissection extent.

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Vascular Surgery

Background:

  • Iatrogenic coronary artery dissection can extend into the aorta, a rare but serious complication.
  • Understanding the incidence and characteristics of these dissections is crucial for patient management.

Purpose of the Study:

  • To determine the incidence of iatrogenic coronary artery dissection extending into the aorta.
  • To characterize the aortic lesions associated with this complication.

Main Methods:

  • Retrospective review of 43,143 cardiac catheterizations performed between September 1993 and September 1999.
  • Analysis of incidence, patient demographics, and outcomes.
  • Histologic examination of tissue samples from affected patients.

Main Results:

  • An overall incidence of 0.02% for coronary artery-aortic dissections was found.
  • Dissections were more common in patients treated for acute myocardial infarction (0.19% vs. 0.01%).
  • Limited dissections were managed with stenting; extensive dissections (>40 mm) required surgery.

Conclusions:

  • Iatrogenic coronary artery-aortic dissection is infrequent but associated with higher rates in acute myocardial infarction patients.
  • Histologic analysis showed no predisposing pathology beyond age-related changes.
  • Treatment strategies should be tailored to the extent of aortic involvement.

More Related Videos

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots12:17

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

Published on: May 21, 2017

Related Concept Videos

Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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...
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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...
Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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...
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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...
The Arch of Aorta01:10

The Arch of Aorta

The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...