Related Experiment Video

Updated: Aug 16, 2026

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
09:32

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging

Published on: December 9, 2021

Coronary artery fistula with an associated aneurysm detected by 16-slice multidetector row computed tomographic

Hisao Hara1, Masao Moroi, Tadashi Araki

  • 1Division of Cardiovascular Medicine, Toho University Ohashi Hospital, 2-17-6 Ohashi, Meguro-ku, Tokyo, 153-8515, Japan. harahisa@d1.dion.ne.jp

Heart and Vessels
|July 19, 2005
PubMed

Insights

A man with chest pain had a coronary artery aneurysm connected to his pulmonary artery. Advanced 3D CT angiography precisely revealed this complex coronary artery anatomy.

Area of Science:

  • Cardiology
  • Medical Imaging

Background:

  • Effort-induced angina pectoris can indicate underlying coronary artery disease.
  • Coronary artery aneurysms are rare but significant vascular abnormalities.

Observation:

  • A 60-year-old male presented with exertional chest pain.
  • Initial coronary angiography revealed a proximal left anterior descending artery aneurysm, with ambiguity regarding a fistula.
  • Multidetector row computed tomographic (MDCT) angiography was employed for detailed anatomical assessment.

Findings:

  • Three-dimensional (3D) reconstruction from 16-slice MDCT angiography confirmed a coronary artery aneurysm.
  • The aneurysm was found to drain directly into the pulmonary artery, characterizing it as a coronary artery fistula with an aneurysm.
  • MDCT angiography provided crucial insights into the complex vascular connection.

Implications:

  • This case highlights the diagnostic utility of MDCT angiography in complex coronary artery pathologies.
  • Accurate anatomical delineation is vital for appropriate management of coronary artery fistulas and aneurysms.
  • Understanding such anomalies aids in preventing complications like myocardial infarction or heart failure.

More Related Videos

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm04:56

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm

Published on: August 1, 2025

Related Concept Videos

Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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...
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
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...