Vertebral and carotid artery anomalies in patients with aberrant right subclavian arteries |
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| Authors: | I-Chen Tsai Wen-Sheng Tzeng Tain Lee Sheng-Lin Jan Yun-Ching Fu Min-Chi Chen Pao-Chun Lin Wan-Chun Liao Clayton Chi-Chang Chen |
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| Affiliation: | (1) Department of Radiology, Taichung Veterans General Hospital, No.160, Sec. 3, Taichung Harbor Road, Taichung, 407, Taiwan, Republic of China;(2) Faculty of Medicine, Medical College of Chung Shan Medical University, Taichung, Taiwan, Republic of China;(3) Department of Medicine and Institute of Clinical Medicine, National Yang Ming University, Taipei, Taiwan, Republic of China;(4) Department of Diagnostic Radiology, Chi-Mei Foundation Medical Center, Tainan, Taiwan, Republic of China;(5) Department of Radiology, Tri-service General Hospital, National Defense Medical Centre, Taipei, Taiwan, Republic of China;(6) Department of Radiological Technology, Central Taiwan University of Science and Technology, Taichung, Taiwan, Republic of China;(7) Division of Pediatric Cardiology, Department of Pediatrics, Taichung Veterans General Hospital, Taichung, Taiwan, Republic of China;(8) Department of Radiology, Fong-Yuan Hospital, Department of Health, Executive Yuan, Fong-Yuan, Taiwan, Republic of China |
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| Abstract: | Background There is little published evidence regarding the patterns and prevalence of vertebral artery (VA) and common carotid artery (CCA) anomalies in patients with an aberrant right subclavian artery (ARSCA). Objective To study the patterns and prevalence of VA and CCA anomalies in patients with ARSCA. Materials and methods In a 2-year period we reviewed the children referred with suspected vascular ring who had undergone multidetector-row CT. Patients with ARSCA were reviewed for VA and CCA patterns and their prevalence and relevance were calculated. Results In total, 102 patients with ARSCA were identified. VA anomalies were present in 16 patients (15.7%), and CCA anomalies (common carotid trunk) in 21 patients (20.6%). In some patients with VA anomalies, the right VA arose from the right CCA and in some the left VA arose from the aortic arch. When the left VA arose from the aortic arch it was situated between the left CCA and the left SCA or between the left SCA and the ARSCA. Conclusion If neurointerventionalists understand these potential anomalies and their prevalence, time and contrast medium could be saved when catheterizing the VA and CCA in patients with ARSCA. |
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| Keywords: | Aberrant right subclavian artery Vertebral artery Carotid artery CT Children |
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