• Conf Proc IEEE Eng Med Biol Soc · Jan 2006

    Heat transfer model of hyporthermic intracarotid infusion of cold saline for stroke therapy.

    • Matthew A Neimark, Angelos-Aristeidis Konstas, Andrew F Laine, and John Pile-Spellman.
    • Dept. of Biomedical Engineering, Columbia University, New York, NY 10027, USA.
    • Conf Proc IEEE Eng Med Biol Soc. 2006 Jan 1;1:363-6.

    AbstractA 3-dimensional hemispheric computational brain model is developed to simulate infusion of cold saline in the carotid arteries in terms of brain cooling for stroke therapy. The model is based on the Pennes bioheat equation, with four tissue layers: white matter, gray matter, skull, and scalp. The stroke lesion is simulated by reducing blood flow to a selected volume of the brain by a factor of one-third, and brain metabolism by 50%. A stroke penumbra was also generated surrounding the core lesion (blood volume reduction 25%, metabolism reduction 20%). The finite difference method was employed to solve the system of partial differential equations. This model demonstrated a reduction in brain temperature, at the stroke lesion, to 32 degrees C in less than 10 minutes.

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