World Neurosurg 2018 Mar 30;111:e661-e667. Epub 2017 Dec 30.
Henan Provincial People's Hospital and People's Hospital of Zhengzhou University, Zhengzhou, Henan Province, China.
Background: The effects and safety of transradial access for stenting of carotid artery stenosis in patients with bovine-type and type III aortic arch are currently unknown and are the purpose of this study.
Methods: Patients who were treated with stenting via transradial (n = 28) compared with transfemoral (n = 30) access of carotid artery stenosis complicated with bovine-type and type III aortic arch were enrolled. The clinical data were studied for comparison.
Results: The success rate of transradial access for carotid artery stenting was 100%. During the transradial access procedure, 3 patients experienced a temporary blood pressure drop and bradycardia that was resolved with atropine injection. No radial artery occlusion or severe cardiac or cerebral events occurred. The success rate of transfemoral access for carotid artery stenting was 90% with failure in 3 patients. No complications occurred during or after the stenting procedure. The irradiation duration was significantly (P = 0.001) smaller in transradial than in transfemoral access stenting (8.6 ± 0.87 vs. 11.4 ± 1.25 minutes). The arterial stenosis ranged 71.25%-96.50% (mean, 86.50% ± 10.15%) for transradial and 78%-97.75% (85.1% ± 10.42%) for transfemoral access groups before treatment, and the residual stenosis following treatment was significantly smaller in either the transradial (2.4%-17.75%; mean, 11.2% ± 6.03%) or transfemoral (4%-18.6%; mean, 12.4% ± 6.3%) groups compared with before treatment, respectively.
Conclusions: The transradial access for stenting of patients with type III aortic arch plus left carotid artery stenosis or in the bovine-type aortic arch combined with right carotid artery stenosis can decrease the stenting difficulty, risks of embolization, and radiation time and increase the success rate.
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