Origin of the vertebral artery examined with CTA
Date Issued
2021-09-09
Author(s)
Abstract
The vertebral artery and its branches are target of arteriographic investigations,
ultrasound and Doppler visualization, MRI and CT imaging in many contemporary
diagnostic procedures. The aim of this study was to examine vertebral artery origin, as
well as its variations, and to emphasize their clinical importance. We examined
radiographs of patients who had CT angiography undertaken for a variety of clinical
reasons, performed as a part of their medical treatment at the University Clinic for
Radiology in Skopje, R. Macedonia. The study population included 103 patients, 58
males and 45 females, age range from 25-82, mean age 58.4 years. The left vertebral
artery arose from the left subclavian artery in 94.17% and the right vertebral artery had
origin from the right subclavian artery in 99.02%. Variable origin of the left vertebral
artery from the aortic arch was noticed in 5.82% of the patients. In one patient (0.97%)
we found atypical arisen of the right vertebral artery from the right common carotid
artery in combination with an aberrant right subclavian artery. Although anatomically
interesting, an awareness of the vertebral artery anatomy and variations is clinically
important. A precise understanding of the vertebral artery anatomy is fundamental for
planning and performing endovascular procedures and neuro-interventions, as well as
for the accurate interpretation of ischemic areas. For the anatomists, the results
obtained from this study present valuable teaching material for students and
postgraduates.
ultrasound and Doppler visualization, MRI and CT imaging in many contemporary
diagnostic procedures. The aim of this study was to examine vertebral artery origin, as
well as its variations, and to emphasize their clinical importance. We examined
radiographs of patients who had CT angiography undertaken for a variety of clinical
reasons, performed as a part of their medical treatment at the University Clinic for
Radiology in Skopje, R. Macedonia. The study population included 103 patients, 58
males and 45 females, age range from 25-82, mean age 58.4 years. The left vertebral
artery arose from the left subclavian artery in 94.17% and the right vertebral artery had
origin from the right subclavian artery in 99.02%. Variable origin of the left vertebral
artery from the aortic arch was noticed in 5.82% of the patients. In one patient (0.97%)
we found atypical arisen of the right vertebral artery from the right common carotid
artery in combination with an aberrant right subclavian artery. Although anatomically
interesting, an awareness of the vertebral artery anatomy and variations is clinically
important. A precise understanding of the vertebral artery anatomy is fundamental for
planning and performing endovascular procedures and neuro-interventions, as well as
for the accurate interpretation of ischemic areas. For the anatomists, the results
obtained from this study present valuable teaching material for students and
postgraduates.
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