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. Author manuscript; available in PMC: 2022 Mar 1.
Published in final edited form as: Neuroradiology. 2020 Aug 20;63(3):381–389. doi: 10.1007/s00234-020-02525-6

Table 3.

Tortuosity of Different segments of thrombectomy access pathway

Segment Tortuosity index, Right side Tortuosity index, Left side Overall Tortuosity index P-value
CCA segment* 0.20 ± 0.086 0.15 ± 0.82 0.17 ± 0.088 <0.001
Cervical ICA 0.17 ± 0.87 0.18 ± 0.079 0.18 ±0.83 0.4
Intracranial ICA 0.45 ± 0.086 0.47 ± 0.70 0.46 ± 0.79 0.2

Abbreviations: CCA, common carotid artery; ICA, internal carotids artery.

*

Brachiocephalic segment is included into right CCA pathway measurement