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. 2017 Nov 2;8:872. doi: 10.3389/fphys.2017.00872

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Copyright © 2017 Semenyutin, Asaturyan, Nikiforova, Aliev, Panuntsev, Iblyaminov, Savello and Patzak.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Results of examination of a 69-year-old man with 89% symptomatic right carotid artery stenosis and preserved dynamic autoregulation on ipsilateral side. From left to right: computed tomography angiogram and duplex scanning of carotid artery, multichannel monitoring of blood pressure (BP) and blood flow velocity in middle cerebral arteries over 5 min during compulsory breathing at a rate 6/min, phase shift (PS) and BP-amplitude spectra within the range of Mayer waves. From top to bottom: before and 10 days after carotid endarterectomy.