Complete proximal occlusion of all three main coronary arteries complicated with a left main coronary aneurysm: a

Takatoshi Wakeyama1, Hiroshi Ogawa, Akira Takaki

  • 1Division of Cardiology, Tokuyama Central Hospital, Koda-cho 1-1, Shunan, Yamaguchi 745-0822.

Journal of Cardiology
|December 9, 2004
PubMed

Insights

A 68-year-old woman with left main coronary artery aneurysm and 100% obstruction underwent successful surgical revascularization. The aneurysm remained stable, and the patient experienced symptom relief for 5 years.

Area of Science:

  • Cardiology
  • Cardiovascular Surgery

Background:

  • Left main coronary artery (LMCA) disease is a critical condition requiring prompt intervention.
  • Coronary artery aneurysms, particularly in the LMCA, are rare and pose unique management challenges.

Observation:

  • A 68-year-old female presented with recurrent chest pain due to 100% LMCA obstruction and proximal right coronary artery occlusion.
  • Angiography revealed a saccular aneurysm at the distal LMCA with 90% stenosis, alongside significant native coronary artery disease.

Findings:

  • Emergency surgical revascularization with saphenous vein grafts (SVGs) to multiple coronary arteries was performed.
  • Postoperative angiography demonstrated patent SVGs and a stable LMCA aneurysm (10 x 9 mm) with 90% stenosis.
  • The LMCA aneurysm size remained unchanged at 1-year and 3-year follow-ups.

Implications:

  • Successful surgical revascularization can be achieved in patients with complex LMCA disease and aneurysms.
  • Long-term stability of the LMCA aneurysm and graft patency suggests a favorable prognosis.
  • This case highlights the importance of individualized treatment strategies for LMCA aneurysms.

Related Concept Videos

Coronary Circulation01:21

Coronary Circulation

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...
Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

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...
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...
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...
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...