Related Experiment Video

Updated: Feb 1, 2026

Microsurgical Creation of Giant Bifurcation Aneurysms in Rabbits for the Evaluation of Endovascular Devices
07:21

Microsurgical Creation of Giant Bifurcation Aneurysms in Rabbits for the Evaluation of Endovascular Devices

Published on: September 8, 2023

1.1K

Spontaneous rupture of a giant coronary artery aneurysm causing cardiac tamponade: A case report

Seiichi Hiramori1, Kazuo Hoshino1, Hirofumi Hioki1

  • 1Department of Cardiology, Cardiovascular Center, Shinonoi General Hospital, Nagano 388-8004, Japan.

Journal of Cardiology Cases
|December 8, 2018
PubMed

Insights

A large coronary artery aneurysm ruptured in a 62-year-old woman, causing cardiac tamponade. Prompt surgical intervention led to a successful recovery, highlighting the risks associated with significant coronary artery aneurysms.

Area of Science:

  • Cardiology
  • Vascular Surgery

Background:

  • Coronary artery aneurysms (CAAs) are rare cardiovascular conditions.
  • Large CAAs (>30 mm) pose a significant risk of rupture and associated complications.

Purpose of the Study:

  • To report a rare case of spontaneous coronary artery aneurysm rupture.
  • To emphasize the importance of early diagnosis and surgical management of large CAAs.

Main Methods:

  • Transthoracic echocardiography
  • Enhanced computed tomography (CT)
  • Coronary angiography
  • Emergency surgical repair
  • Histopathological examination

Main Results:

  • A 50-mm coronary artery aneurysm ruptured, leading to cardiac tamponade.
  • Emergency surgery was successful, with the patient recovering without sequelae after 89 days.
  • Histology revealed cystic medial degeneration, without significant atherosclerosis or inflammation.

Conclusions:

  • Spontaneous rupture of large coronary artery aneurysms is a life-threatening event.
  • Surgical intervention is crucial for managing ruptured coronary artery aneurysms.
  • Cystic medial degeneration may be an underlying cause of non-atherosclerotic coronary artery aneurysms.

Keywords:
Cardiac tamponadeCystic media degenerationGiant coronary artery aneurysm

More Related Videos

Modified Technique for Coronary Artery Ligation in Mice05:47

Modified Technique for Coronary Artery Ligation in Mice

Published on: March 29, 2013

26.6K
Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery ALCAPA13:10

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

Published on: April 24, 2017

19.2K

Related Concept Videos

Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
1.1K
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
455
Spontaneity02:21

Spontaneity

A spontaneous process is one that occurs naturally under certain conditions. A nonspontaneous process, on the other hand, will not take place unless it is “driven” by the continual input of energy from an external source. Processes have a natural tendency to occur in one direction under a given set of conditions. Water will naturally flow downhill (spontaneous process), but uphill flow (nonspontaneous process) requires outside intervention such as the use of a pump. Iron exposed to...
29.9K
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
270
Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
374
Coronary Artery Disease IV: Preventive Measures01:26

Coronary Artery Disease IV: Preventive Measures

Effective preventive measures for coronary artery disease (CAD) focus on controlling modifiable risk factors, including cholesterol abnormalities and lifestyle changes.Cholesterol ManagementFirst, the Mediterranean diet and the American Heart Association advocate for maintaining low-density lipoprotein (LDL) cholesterol levels below 100 mg/dL, with a more stringent recommendation of below 70 mg/dL for individuals at high risk. LDL cholesterol, often termed "bad cholesterol," can lead to the...
689