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Volume 12
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10.3390/diagnostics12010023
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Article

Intracranial Flow Velocity Quantification Using Non-Contrast Four-Dimensional Flow MRI: A Prospective Comparative Study with Transcranial Doppler Ultrasound

by
Sam-Yeol Ha
1,2,
Yeonah Kang
3,*,
Ho-Joon Lee
3,
Moonjung Hwang
4,
Jiyeon Baik
3,5 and
Seongho Park
1
1
Department of Neurology, Haeundae Paik Hospital, Inje University College of Medicine, Busan 48108, Korea
2
Department of Neurology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul 06973, Korea
3
Department of Radiology, Haeundae Paik Hospital, Inje University College of Medicine, Busan 48108, Korea
4
GE Healthcare Korea, Seoul 04637, Korea
5
Department of Radiology, Good Gang-An Hospital, Busan 48265, Korea
*
Author to whom correspondence should be addressed.
Diagnostics 2022, 12(1), 23; https://doi.org/10.3390/diagnostics12010023
Submission received: 12 November 2021 / Revised: 12 December 2021 / Accepted: 20 December 2021 / Published: 23 December 2021
(This article belongs to the Special Issue Advanced Cerebrovascular and Craniocervical Imaging)
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Abstract

Four-dimensional (4D) flow magnetic resonance imaging (MRI) allows three-dimensional velocity encoding to measure blood flow in a single scan, regardless of the intracranial artery direction. We compared blood flow velocity quantification by non-contrast 4D flow MRI and by transcranial Doppler ultrasound (TCD), the most widely used modality for measuring velocity. Twenty-two patients underwent both TCD and non-contrast 4D flow MRI. The mean time interval between TCD and non-contrast 4D flow MRI was 0.7 days. Subsegmental velocities were measured bilaterally in the middle cerebral and basilar arteries using TCD and non-contrast 4D flow MRI. Intracranial velocity measurements using TCD and non-contrast 4D flow MRI demonstrated a strong correlation in the bilateral M1, especially at the proximal segment (right r = 0.74, left r = 0.78; all p < 0.001). Mean velocities acquired with 4D flow MRI were approximately 8 to 10% lower than those acquired with TCD according to the location of M1. Intracranial arterial flow measurements estimated using non-contrast 4D flow MRI and TCD showed strong correlation. 4D flow MRI enables simultaneous assessment of vascular morphology and quantitative hemodynamic measurement, providing three-dimensional blood flow visualization. 4D flow MRI is a clinically useful sequence with a promising role in cerebrovascular disease.
Keywords: blood flow velocity; MRI angiography; transcranial Doppler sonography blood flow velocity; MRI angiography; transcranial Doppler sonography

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MDPI and ACS Style

Ha, S.-Y.; Kang, Y.; Lee, H.-J.; Hwang, M.; Baik, J.; Park, S. Intracranial Flow Velocity Quantification Using Non-Contrast Four-Dimensional Flow MRI: A Prospective Comparative Study with Transcranial Doppler Ultrasound. Diagnostics 2022, 12, 23. https://doi.org/10.3390/diagnostics12010023

AMA Style

Ha S-Y, Kang Y, Lee H-J, Hwang M, Baik J, Park S. Intracranial Flow Velocity Quantification Using Non-Contrast Four-Dimensional Flow MRI: A Prospective Comparative Study with Transcranial Doppler Ultrasound. Diagnostics. 2022; 12(1):23. https://doi.org/10.3390/diagnostics12010023

Chicago/Turabian Style

Ha, Sam-Yeol, Yeonah Kang, Ho-Joon Lee, Moonjung Hwang, Jiyeon Baik, and Seongho Park. 2022. "Intracranial Flow Velocity Quantification Using Non-Contrast Four-Dimensional Flow MRI: A Prospective Comparative Study with Transcranial Doppler Ultrasound" Diagnostics 12, no. 1: 23. https://doi.org/10.3390/diagnostics12010023

APA Style

Ha, S.-Y., Kang, Y., Lee, H.-J., Hwang, M., Baik, J., & Park, S. (2022). Intracranial Flow Velocity Quantification Using Non-Contrast Four-Dimensional Flow MRI: A Prospective Comparative Study with Transcranial Doppler Ultrasound. Diagnostics, 12(1), 23. https://doi.org/10.3390/diagnostics12010023

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