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Träfflista för sökning "WFRF:(Bjorkman S) srt2:(1992-1994)"

Search: WFRF:(Bjorkman S) > (1992-1994)

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  • Bjorkman, S, et al. (author)
  • The effect of thiopental on cerebral blood flow, and its relation to plasma concentration, during simulated induction of anaesthesia in a porcine model
  • 1994
  • In: Acta Anaesthesiologica Scandinavica. - 0001-5172. ; 38:5, s. 473-478
  • Journal article (peer-reviewed)abstract
    • The reversible effect of an induction dose of thiopental on the cerebral blood flow (CBF) was characterized by repeated 133Xe washout measurements during stable physiological conditions in anaesthetized pigs. A thiopental effect corresponding to induction of light and transient anaesthesia was confirmed by electroencephalography (EEG). The concentration (arterial plasma) -effect (-% CBF) relationship of thiopental was estimated using a sigmoidal Emax model. The injection caused a rapid 36 +/- 4.5% (mean +/- s.d.) drop in CBF, with return to baseline by 80 min. According to the pharmacodynamic model, the maximal effect of thiopental (Emax) in this experimental set-up was a 58% lowering of the CBF and the concentration at half-maximal effect (EC50) was 25 micrograms.ml-1. This study provides a complete characterization of the effect of thiopental on the CBF, including the time-course and concentration-effect relationship. A comparison to limited data in the literature suggests that the findings in the pigs constitute a fair approximation of the action of thiopental during the clinical induction of anaesthesia.
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  • Result 1-2 of 2
Type of publication
conference paper (1)
journal article (1)
Type of content
peer-reviewed (2)
Author/Editor
Bjorkman, S (2)
Eriksson, T (1)
Åkeson, Jonas (1)
Nilsson, F (1)
Rosen, I. (1)
Ekberg, H (1)
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Messeter, K (1)
Riesbeck, K. (1)
Östraat, Öyvind (1)
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University
Lund University (2)
Language
English (2)
Research subject (UKÄ/SCB)
Medical and Health Sciences (2)

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