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. 2021 Mar 25;14(1):39–45. doi: 10.3400/avd.oa.20-00166

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© 2021 The Editorial Committee of Annals of Vascular Diseases.

This article is distributed under the terms of the Creative Commons Attribution License, which permits use, distribution, and reproduction in any medium, provided the credit of the original work, a link to the license, and indication of any change are properly given, and the original work is not used for commercial purposes. Remixed or transformed contributions must be distributed under the same license as the original.

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Fig. 2 The CSP change and changes in flow rates of the communicating arteries. The CSP was constant when the contralateral stenosis was under 40%; it declined linearly when the contralateral stenosis ratio was over 50% (a). The Acom flow rate decreased linearly when the contralateral stenosis ratio was over 50% (b). The ipsilateral Pcom flow rates increased linearly when the contralateral stenosis ratio was over 50% (c).