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Research Article | Volume 13 Issue:4 (, 2023) | Pages 272 - 277
The study of main trunks of right and left coronary arteries
Under a Creative Commons license
Open Access
Received
Sept. 7, 2023
Revised
Sept. 18, 2023
Accepted
Sept. 27, 2023
Published
Oct. 11, 2023
Abstract

Aim of the study to know main trunks of right and left coronary arteries with respect to diameter and branching pattern in central India population. Coronary arteries show wide variations among different populations. The present study was undertaken on 70 adult human heart specimens from embalmed cadavers. Hearts were dissected and studied. Length and external diameter of main trunks noted. Branching pattern of main trunk of right coronary artery and left coronary artery studied. Out of seventy hearts, trunk length of right coronary artery ranged from 0.1-5.9 cm. with mean of 2.59±1.45 cm. The range of trunk length of left coronary artery is 0.2-2 cm. with the mean of 0.60±0.37 cm. The range of external diameter of main trunk of right coronary artery is from 2.34-6.5 mm. The external diameter of left coronary artery main trunk ranges from 4.34-6.6 mm. Thus it is seen that the external diameter of left coronary artery main trunk was larger than right coronary artery. Right coronary artery is found to terminate at the right border in 6 hearts (8.57%), between the right border and crux in 5 hearts (7.14%), at the crux in 20 hearts (28.57%), between crux and left border in 38 hearts (54.28%) and at the left border in 1 heart (1.42%). Mode of termination of left coronary artery shows bifurcation and trifurcation. Bifurcation of left coronary artery observed in 65.71% of cases. In 34.28% of hearts trifurcation is observed. Here  main trunk of left coronary artery divided into left anterior descending, left diagonal and  circumflex arteries.

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