Right coronary artery with high takeoff
Arif Tarhan1, Tamer Kehlibar, Mehmet Yilmaz
1Department of Cardiovascular Surgery, Dr Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Turkey. atarhan@gmail.com
The Annals of Thoracic Surgery
|April 28, 2007
Summary
An extremely rare anomalous origin of the right coronary artery from the ascending aorta was incidentally discovered during aortic valve replacement surgery. The anomalous vessel was successfully repaired using a saphenous vein graft bypass.
Area of Science:
- Cardiovascular Surgery
- Congenital Heart Disease
- Anatomical Variations
Background:
- Anomalous origin of the coronary arteries is a rare congenital heart defect.
- Right coronary artery anomalies, particularly originating from the ascending aorta with high takeoff, are exceptionally uncommon.
- These anomalies can pose diagnostic and surgical challenges.
Observation:
- A case is presented where the right coronary artery originated from the ascending aorta with a high takeoff.
- The anomaly was incidentally diagnosed during aortic valve replacement surgery after transverse aortotomy.
- The right coronary artery ostium was identified approximately 5 cm superior to the right sinus of Valsalva and exhibited a transmural course.
Findings:
- The anomalous right coronary artery was transected during the initial surgical approach.
- A successful surgical repair was performed by creating a bypass using a saphenous vein graft.
- This case highlights the importance of intraoperative vigilance for rare coronary anomalies.
Implications:
- Accurate identification and management of anomalous coronary arteries are crucial for patient outcomes.
- Surgical techniques like coronary artery bypass grafting are effective in correcting such anomalies.
- Increased awareness and diagnostic preparedness for rare coronary artery origins can improve surgical safety in cardiac procedures.
More Related Videos
Related Concept Videos
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 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...
The Arch of Aorta
The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
Encircling the heart, the coronary arteries form a ring-like structure before...
Thoracic Aorta
The thoracic section of the aorta begins at the T5 vertebra and extends to the T12 level at the diaphragm, initially progressing through the mediastinum to the left of the spinal column. Throughout its course in the thoracic segment, the thoracic aorta emits various offshoots known collectively as visceral and parietal branches. The branches that predominantly supply blood to visceral organs are termed visceral branches and include bronchial, pericardial, esophageal, and mediastinal arteries,...
Physiology of the Heart: The Cardiac Cycle
The cardiac cycle describes the events from one heartbeat to the next. It includes three main phases: diastole, atrial systole, and ventricular systole, all driven by changes in chamber pressures and the function of heart valves.
Diastole: The Relaxation Phase
During diastole, all four heart chambers relax. The atrioventricular (AV) valves open, and the semilunar valves close. This phase sees the lowest chamber pressures, promoting ventricular filling. Venous blood enters the heart through the...
Diastole: The Relaxation Phase
During diastole, all four heart chambers relax. The atrioventricular (AV) valves open, and the semilunar valves close. This phase sees the lowest chamber pressures, promoting ventricular filling. Venous blood enters the heart through the...
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: 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...


