Flow Velocity in Vertebral Arteries in Subjects Receiving Medical Checkups

Makoto TOKUNAGA; Toshiro YONEHARA; Tadashi TERASAKI; Yoichiro HASHIMOTO; Makoto UCHINO

doi:10.2301/neurosonology.12.187

Makoto TOKUNAGA, Toshiro YONEHARA, Tadashi TERASAKI, Yoichiro HASHIMOTO, Makoto UCHINO

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Keywords: vertebral artery, velocity, diameter, ultrasonography, medical checkup

JOURNAL FREE ACCESS

1999 Volume 12 Issue 4 Pages 187-190

DOI https://doi.org/10.2301/neurosonology.12.187

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Abstract

Using ultrasonography during medical checkups, we measured the flow velocity and diameter of vertebral arteries in 120 subjects, none of whom had obstruction in the vertebral arteries on MRA. Eleven of 240 arteries (4.6%) had a mean flow velocity lower than 18 cm/s. The flow in smaller arteries tended to be lower than that in larger ones.

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