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Stroke, Vol 14, 66-69, Copyright © 1983 by American Heart Association

ARTICLES

Comparison of local cerebral blood flow determined by thermal and hydrogen clearance

C Gaines, LP Carter and RM Crowell

Local cerebral blood flow (1CBF) was measured simultaneously in ten cats with (1) a large surface thermal diffusion probe resting on the cortex and (2) hydrogen clearance curves from implanted electrodes surrounding the thermal probe. A close correlation was found between 1CBF values obtained by the two methods. Since hydrogen clearance is accepted as quantitative, the data suggest that the thermal diffusion technique is a reliably quantitative means of measuring local cerebral blood flow.

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