Dibutyryl cyclic adenosine monophosphate effects in the ischemic-hypoxic cat.

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Abstract
The effects of dibutyryl cyclic adenosine monophosphate (dB-cAMP) were studied in fifty cats, twenty anesthetized with pentobarbital and thirty with halothane. Nasopharyngeal temperature and Paco2 were maintained at normal values. Somatosensory evoked response was monitored and used as an indicator of cerebral cortical function. Ischemic hypoxic injury was produced by an orthopedic tourniquet snugly applied around the animal's neck and inflated for a period of fifteen minutes. This method produces a reliable and reproducible injury. Times for recovery of the evoked response to 10% of control value, as well as immediate and long-term animal survival, were noted. The dBcAMP was administered at the end of the hypoxic insult. Treated animals recovered the evoked response earlier than the untreated controls and had better immediate and long-term survival rates.