A cadaveric study on variations in the branching pattern of left coronary artery
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Abstract
Variations in the branching pattern of left coronary artery are very common. This study aimed to determine the variations in the branching pattern of Left Coronary Artery. Variations in the branching pattern of left coronary artery (LCA) are important for the interventional cardiologist and cardiothoracic surgeons.
Materials and Methods
The material for present study comprised of 50 hearts taken from cadavers and preserved specimens, with no sex or age discrimination. Left coronary artery was dissected in accordance with the procedure detailed in Cunningham’s manual. The branching pattern of Left coronary artery was studied in detail and variations were documented.
Results
Out of the 50 specimens,37(74%) cadaveric hearts showed bifurcation of Left Coronary Artery into Left Anterior Descending (LAD) and Left Circumflex (LCX) arteries. In 12(24%) specimens LCA trifurcated into LAD, LCX and Ramus intermedius. In 1(2%) specimen LCA quadrifurcated into LAD, LCX, first diagonal, and left obtuse marginal artery.
Conclusion
Knowledge of variations in the branching pattern of left coronary artery have utmost significance in life saving interventional procedures