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Changes in carotid flow velocity induced by direct percutaneous carotid angiography in man

✍ Scribed by E. Colon; H. Thijssen; S. Notermans

Publisher
Springer
Year
1976
Tongue
English
Weight
307 KB
Volume
212
Category
Article
ISSN
0340-5354

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✦ Synopsis

Quantitative percutaneous flow velocity measurements are possible in carotid arteries. The results of the direct percutaneous angiography were measured by means of a Doppler directional flow velocity device and registered on a polygraphy. The results indicate an increase in the flow velocity of the injected as well as the non-injected carotid system. This implies that there are no local constrictions of the carotid artery following intervention and, furthermore, it implies a systematic effect of the puncture and injection itself, or of the contrast medium, on the whole cerebral circulation. A diffuse vasodilatation, at least in the cerebral circulation, is postulated. The possible implications are discussed.

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