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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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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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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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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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Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

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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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Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

435
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...
435
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

794
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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Related Experiment Video

Updated: Mar 18, 2026

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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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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Left Main Coronary Artery Aneurysm.

Hossein Doustkami1, Nasrollah Maleki1, Zahra Tavosi2

  • 1Imam Khomeini Hospital, Ardabil University of Medical Sciences, Ardabil, Iran.

The Journal of Tehran Heart Center
|July 13, 2016
PubMed
Summary

Left main coronary artery aneurysms are rare but can be caused by atherosclerosis. Surgical intervention, like bypass grafting, can effectively treat these aneurysms, leading to asymptomatic recovery.

Keywords:
AneurysmCoronary angiographyCoronary vessels

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Left Coronary Artery Ligation: A Surgical Murine Model of Myocardial Infarction
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Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Vascular Surgery

Background:

  • Left main coronary artery aneurysms are rare, found in 0.1% of patients undergoing angiography.
  • Atherosclerosis is the primary cause of coronary artery aneurysms.
  • Diagnosis and treatment rely on angiography, with management tailored to coronary stenosis severity.

Observation:

  • A 72-year-old male with hypertension presented with unstable angina.
  • Electrocardiogram revealed ST depression and T-wave inversion.
  • Echocardiography showed reduced ejection fraction (45%) and regional wall motion abnormalities.

Findings:

  • Coronary angiography confirmed a saccular left main coronary artery aneurysm.
  • Significant stenosis was noted in the left anterior descending, left circumflex, and right coronary arteries.
  • The patient underwent successful coronary artery bypass grafting and aneurysm ligation.

Implications:

  • Surgical management of left main coronary artery aneurysms with concomitant stenosis can yield positive outcomes.
  • This case highlights the importance of prompt diagnosis and intervention for rare coronary artery pathologies.
  • Successful surgical treatment resulted in complete symptom resolution at six-month follow-up.