Concomitant occlusive disease of the coronary arteries and great vessels

T J Takach1, G J Reul, D A Cooley

  • 1Department of Cardiovascular Surgery, Texas Heart Institute at St. Luke's Episcopal Hospital, Houston 77225-0345, USA.

Insights

This study shows that combining great vessel reconstruction with coronary artery bypass grafting is safe and effective. Patients experienced symptom relief and excellent long-term patency, demonstrating a low operative risk for this complex procedure.

Area of Science:

  • Cardiovascular Surgery
  • Vascular Surgery
  • Interventional Cardiology

Background:

  • Increasing numbers of elderly and high-risk patients with atherosclerosis undergo coronary revascularization.
  • Limited data exist on managing patients with concurrent occlusive disease of great vessels and coronary artery disease.

Purpose of the Study:

  • To evaluate the outcomes of simultaneous revascularization of great vessels and coronary arteries in patients with combined diseases.
  • To assess the safety, efficacy, and long-term patency of integrated approaches for great vessel reconstruction and coronary artery bypass grafting.

Main Methods:

  • A cohort of 31 patients with multivessel coronary artery disease and symptomatic occlusive great vessel disease underwent great vessel reconstruction (transthoracic bypass, endarterectomy, or extrathoracic bypass) between 1972 and 1996.
  • All patients received simultaneous coronary artery bypass grafting, with some also undergoing carotid bifurcation endarterectomy.

Main Results:

  • 100% early primary patency and complete symptom resolution in all 31 patients.
  • Low perioperative morbidity (3.2% stroke, 6.5% myocardial infarction) and 3.2% in-hospital mortality.
  • Excellent long-term outcomes with 5- and 10-year survival rates of 88.6% and 60.4%, respectively, and high rates of freedom from major adverse events.

Conclusions:

  • An integrated approach to great vessel reconstruction, utilizing various techniques and approaches, yields favorable outcomes and excellent long-term patency.
  • Simultaneous revascularization of great vessels and coronary arteries is achievable with acceptably low operative risk, providing immediate and sustained symptom relief.
Abstract

Related Concept Videos

Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and narrowing...
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...
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...
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...
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 II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

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...