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Clinically relevant morphometric analysis of left coronary artery

Authors:Dattatray D. Dombe, Takkallapalli Anitha, Purushottam A. Giri Swapnali D. Dombe , Medha V. Ambiye
Int J Biol Med Res. 2012; 3(1): 1327-1330  |  PDF File


The anomalous origin and branching pattern of the left coronary artery (LCA) is more significant anatomical variation. Difficulties may occur in the diagnostic procedures, but recognition of the anomaly is essential for proper patient management, especially in patients undergoing evaluation for percutaneous coronary intervention, coronary artery surgery or prosthetic valve replacement. A high prevalence of coronary artery disease was found in proximal vessels and especially at or adjacent to proximal points of branching. In the left anterior descending artery (LAD), the lesions were most prevalent, even in the left circumflex artery (LCx); there was a predilection for narrowing. In the present study sixty four heart specimens were collected over a period of three years from August 2008 to July 2011 in the department of anatomy and preserved in 10% formalin. After careful dissection all the branches of LCA were exposed and the number, position, level of ostium, ostium diameter, length of the main trunk, LAD and LCx were noted. The branching pattern of LCA was studied and categorized as bifurcation, trifurcation and quadrifurcation. The objective of this study was to analyze in one single series all the characteristics of LCA that may be of use in the diagnosis and treatment of its pathologies.