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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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Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Coronary Circulation01:21

Coronary Circulation

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The heart, an organ critical to survival, gets nourishment not from the blood it pumps but from a separate circulation system known as coronary circulation. This is the shortest circulation in the body and is responsible for supplying the heart with the nutrients it needs to function effectively.
Coronary circulation begins at the base of the aorta, where two main arteries arise—the left and right coronary arteries. These arteries encircle the heart in the coronary sulcus and supply the...
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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

Aneurysm II: Clinical Manifestations and Diagnostic Studies

48
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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Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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Related Experiment Video

Updated: Oct 15, 2025

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

529

Type A aortic dissection with left coronary malperfusion.

Kazuki Noda1, Yosuke Inoue1, Jiro Matsuo1

  • 1Department of Cardiovascular Surgery, National Cerebral and Cardiovascular Center, 6-1 Kishibe-shimmachi, Suita, Osaka, 564-8565, Japan.

General Thoracic and Cardiovascular Surgery
|October 30, 2021
PubMed
Summary
This summary is machine-generated.

Left coronary artery malperfusion, a fatal complication of acute type A aortic dissection, can be successfully treated. Preoperative catheter interventions restoring blood flow to the left coronary artery are crucial for effective management.

Keywords:
Coronary malperfusionPercutaneous coronary interventionType A aortic dissection

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Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery ALCAPA
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Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Aortic Diseases

Background:

  • Left coronary artery malperfusion is a life-threatening complication of acute type A aortic dissection.
  • Current treatment strategies for this condition remain limited.

Purpose of the Study:

  • To present successful management of left coronary artery malperfusion in acute type A aortic dissection.
  • To highlight the potential role of preoperative coronary interventions.

Main Methods:

  • Report of two cases with left coronary artery malperfusion.
  • Utilized different preoperative catheter interventions.
  • Followed by central aortic repair.

Main Results:

  • Successful restoration of blood flow to the left coronary artery in both cases.
  • Achieved favorable outcomes following combined interventional and surgical treatment.

Conclusions:

  • Preoperative coronary intervention may be essential for patients with left coronary artery malperfusion.
  • Early diagnosis and intervention can improve outcomes in acute type A aortic dissection with coronary compromise.