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Related Experiment Videos

Pentothal protection for delay cerebral revascularization.

H Yonas, M Dujovny, R Segal

    Acta Neurochirurgica. Supplementum
    |January 1, 1979
    PubMed
    Summary
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    Thiopentone effectively prevented brain infarction in dogs undergoing middle cerebral artery occlusion. This barbiturate achieved therapeutic blood levels for over 12 hours, extending the potential window for reperfusion therapy.

    Area of Science:

    • Neurology
    • Pharmacology
    • Cerebrovascular Research

    Background:

    • Focal cerebral ischemia presents a limited therapeutic window for intervention.
    • Reperfusion strategies aim to restore blood flow and minimize ischemic damage.
    • Prolonging the time for successful revascularization is a critical clinical goal.

    Purpose of the Study:

    • To evaluate the efficacy of thiopentone in preventing cerebral infarction following middle cerebral artery occlusion in a canine model.
    • To determine if thiopentone can extend the therapeutic window for cerebral revascularization.
    • To assess the pharmacokinetic profile and safety of the thiopentone regimen.

    Main Methods:

    • Canine model of middle cerebral artery occlusion.
    • Administration of thiopentone (20 mg/kg bolus and 20 mg/kg over three hours).

    Related Experiment Videos

  • Assessment of infarction size and evaluation of therapeutic blood levels at six hours post-occlusion and embolectomy.

    • Main Results:

    • Thiopentone administration prevented infarction in all treated dogs (n=5).
    • Control animals (n=9) sustained significant to massive infarctions.
    • Therapeutic thiopentone blood levels were achieved rapidly and maintained for over 12 hours without observed side effects.

    Conclusions:

    • Thiopentone is effective in preventing cerebral infarction in a canine model of middle cerebral artery occlusion.
    • This regimen allows for therapeutic blood levels, potentially extending the grace period for successful cerebral revascularization.
    • Thiopentone shows promise as an adjunct therapy to improve outcomes in acute ischemic stroke.