Influences of hypothermia and tissue perfusion on temperature distributions in simulated cranial surgery

S. Vietla, R. C. Eberhart, D. M. Meyer

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

We applied the bioheat transfer (FEM) equation to the analysis of intracranial temperature distributions. The brain was isothermal at steady state, for perfusion rates of 1.0 and 0.1 ml/gm/min but not at 0.01 ml/gm/min. The largest temperature gradients were observed in the naso-pharyngeal (N-P) region. Altering surface heat transfer coefficient had little influence on brain temperature, even in regions of surgical exposure. Transient analysis demonstrated prompt reductions in cerebral temperature, with slower fall in N-P temperature. Maintaining normal tissue perfusion throughout the cooling period ensures uniform temperature within the cerebral tissues and avoids inadequate local cooling arising out of ischemic insult.

Original languageEnglish (US)
Title of host publicationAdvances in Bioheat and Mass Transfer
PublisherPubl by ASME
Pages9-17
Number of pages9
ISBN (Print)079181047X
StatePublished - Dec 1 1993
EventProceedings of the 1993 ASME Winter Annual Meeting - New Orleans, LA, USA
Duration: Nov 28 1993Dec 3 1993

Publication series

NameAmerican Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD
Volume268
ISSN (Print)0272-5673

Other

OtherProceedings of the 1993 ASME Winter Annual Meeting
CityNew Orleans, LA, USA
Period11/28/9312/3/93

ASJC Scopus subject areas

  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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    Vietla, S., Eberhart, R. C., & Meyer, D. M. (1993). Influences of hypothermia and tissue perfusion on temperature distributions in simulated cranial surgery. In Advances in Bioheat and Mass Transfer (pp. 9-17). (American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD; Vol. 268). Publ by ASME.