ANATOMICAL STUDY OF BRANCHING PATTERN OF MAIN TRUNK OF LEFT CORONARY ARTERY AND ITS IMPORTANCE

Dr. Ranjana Agrawal

Volume : VI, Issue : III, March - 2016

ANATOMICAL STUDY OF BRANCHING PATTERN OF MAIN TRUNK OF LEFT CORONARY ARTERY AND ITS IMPORTANCE

Dr. Ranjana Agrawal

Abstract :

The left coronary artery shows a wide range of variations in its origin, course and in anching pattern which has great clinical importance. Difficulties may occur during performance of various diagnostic procedures in heart. In present study variation in anching pattern of main trunk of Left Coronary Artery and importance of its diagonal anches are observed. 50 heart specimens were collected from the cadavers in Anatomy, than by under water dissection anching pattern of main trunk of LCA were traced. It is observed that there is Bifurcation of LCA in 52%, Trifurcation in 38%, Quadrifurcation in 8% and Pentafurcation in 2% cases. The left coronary artery and its anches are responsible for the irrigation of most of the left ventricle and part of the right ventricle. In case of trifurcation, where the left diagonal artery takes origin directly from the left coronary artery, the size of infarct on occlusion of the left anterior descending artery would be reduced.