Transcranial color-coded duplex Doppler sonography (TCCD) is a commonly used tool
in human medicine for neuro-intensive monitoring (
Rasulo and Bertuetti, 2019
). TCCD allows obtaining and analyzing Doppler flow curve of the artery under evaluation
and identifying the systolic peak flow velocity (Vp) and end-diastolic flow velocity
(Ved), measures used to calculate the resistance index (RI) using the formula:
RI = (Vp – Ved) / Vp
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References
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- Transcranial Doppler and optic nerve sonography.J Cardiothorac Vasc Anesth. 2019; 33: S38-S52
- Early transcranial Doppler evaluation of cerebral autoregulation independently predicts functional outcome after aneurysmal subarachnoid hemorrhage.Neurocrit Care. 2019; 31: 253-262
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Article info
Publication history
Published online: June 29, 2022
Accepted:
June 22,
2022
Received:
March 21,
2022
Identification
Copyright
© 2022 Association of Veterinary Anaesthetists and American College of Veterinary Anesthesia and Analgesia. Published by Elsevier Ltd. All rights reserved.