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Cortical blood flow in controlled hypotension as measured by thermal diffusion
  1. L. Philip Carter,
  2. James R. Atkinson2
  1. Neurosurgical Research Laboratory, Barrow Neurological Institute of St. Joseph's Hospital and Medical Center, Phoenix, Arizona, U.S.A.


    A thermal diffusion flow probe which gave a continuous, dynamic, quantitative record of cortical blood flow (CBF) was used to assess CBF in experimental animals with controlled hypotension. Acute hypotension was produced by trimethaphan camsylate, halothane, and sodium nitroprusside. Halothane produced less reduction in CBF per drop in blood pressure than the other two agents.

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    • 2 Reprint requests: Dr. James R. Atkinson, Division of Neurosurgery, Barrow Neurological Institute, 350 West Thomas Road, Phoenix, Arizona, 85013, U.S.A.

    • 1 Resident Award Paper, Western Neurosurgical Society, presented at Colorado Springs, 2 November 1971.

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