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Indian Journal of Clinical Anatomy and Physiology


Diameters of three major branches of arch of aorta and their correlation with each other, age and gender- A computed tomographic study


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Author Details : Ranjeet Kumar, Indra Kumar, AK Singh, Pankaj Kumar, PK Sharma, Naresh Chandra

Volume : 3, Issue : 4, Year : 2016

Article Page : 552-555


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Abstract

Objective: Objective of the study was to determine the normal range of the diameters of three major branches of arch of aorta brachiocephalic trunk (BCT), left common carotid artery (LCCA), left subclavian artery (LSA) and to correlate diameters of branches of aortic arch with each other, age and gender.
Material and Method: Multi slice CT scans were performed on 84 subjects (both male and female) in department of Anatomy, in collaboration with department of Radiology of Moti Lal Nehru Medical College, Allahabad and Kriti scanning center, Allahabad. The diameters of BCT, LCCA and LSA were measured at just distal to its origin from arch of aorta.
Results: Mean diameter of BCT, LCCA and LSA were 1.14±0.20 cm, 0.71±0.16 cm and 0.93±0.17 cm respectively. Significantly high correlation was found between BCT and LCCA (r=0.62, p<0.001), BCT and LSA (r=0.59, p<0.001) and LCCA and LSA (r=0.59, p<0.001). Mean diameters of all three branches were increasing with the increase of age. Mean diameters of all variables were slightly higher in males as compared to females. Comparing the mean diameters between the two genders, t test revealed similar (p>0.05) diameters between the two genders i.e. not differed statistically.
Conclusion: Among, branches of arch of aorta, the mean diameter of brachiocephalic trunk was the highest and left common carotid artery was the least (BCT > LSA > LCCA). Age had significant effect on diameters (diameters of branches of arch of aorta). Knowledge of normal diameters of branches of arch of aorta is helpful in the cardiovascular surgery, such as stenting and aneurysm.

Keywords:
Radiological study, arch of aorta, brachiocephalic trunk, left common carotid artery, left subclavian artery

How to cite : Kumar R, Kumar I, Singh A, Kumar P, Sharma P, Chandra N, Diameters of three major branches of arch of aorta and their correlation with each other, age and gender- A computed tomographic study. Indian J Clin Anat Physiol 2016;3(4):552-555

Copyright © 2016 by author(s) and Indian J Clin Anat Physiol. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (creativecommons.org)