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Radiology, Vol 127, 103-108, Copyright © 1978 by Radiological Society of North America

ARTICLES

Augmented arterial flow and pressure resulting from selective injections through catheters: clinical implications

DC Levin

Injection of fluid through catheters positioned selectively in arteries results in substantial increases in flow and pressure in those arteries for the duration of the injection. This produces certain artifacts which may lead to misinterpretation of the arteriograms. Apparent direction of flow in major vessels, extent of collateral circulation, distribution of contrast medium throughout various branches of the arterial tree, and density of accumulation of contrast material in organs or tumors can be altered significantly by the injection technique.




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Copyright © 1978 by the Radiological Society of North America.