Changes in endogenous prostacyclin in the rat brain during clinical death and after resuscitation.
1992
: By means of the radioimmunologic method changes of concentration of 6-keto-prostaglandin F1 alpha (PGF1 alpha)--the stable metabolite of prostacyclin in the rat brain have been evaluated during 5-min clinical death and up to 2 hrs after resuscitation. Ischemia did not produce significant changes of 6-keto-PGF1 alpha concentration in the brain. In the early postresuscitation period the concentration of 6-keto-PGF1 in the and 7-fold control values. Later the concentration of 6-keto-PGF1 alpha in the brain decreased reaching in 30 min a 3-fold the control level, and in 60 and 120 min after resuscitation control values. The reasons of unsuccessful therapy of ischemic stroke with prostacyclin are discussed.
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