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Neurology 2003;61:845-847
© 2003 American Academy of Neurology
Brief Communications

Mechanical compression of the extracranial vertebral artery during neck rotation

M. Sakaguchi, MD, K. Kitagawa, MD, H. Hougaku, MD, H. Hashimoto, MD, Y. Nagai, MD, H. Yamagami, MD, T. Ohtsuki, MD, N. Oku, MD, K. Hashikawa, MD, K. Matsushita, MD, M. Matsumoto, MD and M. Hori, MD

From the Division of Stroke Research (Drs. Sakaguchi, Kitagawa, Hougaku, Hashimoto, Nagai, Yamagami, Ohtsuki, Matsushita, and Mori), Department of Internal Medicine and Therapeutics (A8), Department of Clinical Neuroscience (Dr. Kitagawa), and Department of Nuclear Medicine (Drs. Oku and Hashikawa), Osaka University Graduate School of Medicine; and Department of Clinical Neuroscience and Therapeutics (Dr. Matsumoto), Hiroshima University Graduate School of Biomedranical Sciences, Japan.

Address correspondence and reprint requests to Dr. Kazuo Kitagawa, Division of Stroke Research, Department of Internal Medicine and Therapeutics (A8), Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan; e-mail: kitagawa{at}medone.med.osaka-u.ac.jp

Using duplex ultrasonography (US), the authors showed compression of the extracranial vertebral artery (ECVA) during neck rotation in 5.0% of 1,108 patients. Age (per 10-year increase, OR 0.80, 95% CI 0.67 to 0.96), vessel diameters (per 0.5-mm diameter increase, OR 0.63, 95% CI 0.51 to 0.79), and symptoms upon neck rotation (OR 4.01, 95% CI 1.35 to 11.9) were associated with vessel compression. In one case, SPECT revealed decreased cerebral perfusion of the hindbrain during rotation. ECVA US is useful in identifying vessel compression, especially in patients with symptoms on neck rotation.




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Correspondence:

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Mechanical compression of the extracranial vertebral artery during neck rotation
Michael I. Weintraub, MD, FACP, FAAN, PC, et al.
Neurology Online, 5 Dec 2003 [Full text]
Reply to Weintraub et al
Kazuo Kitagawa, MD, PhD, et al.
Neurology Online, 5 Dec 2003 [Full text]

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