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Effect of Panpal Prophylaxis on the Activity of Acetylcholinesterase in the Blood,Diaphragm, and Various Parts of the Rat Brain in the Course of Untreated and TreatedIntoxication with the Organophosphorous Insecticide Phosdrine


Authors: J. Kassa
Authors‘ workplace: Vojenská lékařská akademie JEP, Hradec Králové
Published in: Čes. slov. Farm., 2000; , 37-40
Category:

Overview

In experiments on male rats the paper investigated the effect of pharmacological prophylaxis withPanpal (pyridostigmine in combination with benactyzine and trihexyphenidyl) on the activity ofacetylcholinesterase in the whole blood, diaphragm, and selected parts of the brain (frontal cortex,pontomedular region, hippocampus, cerebellum) at hour 1 and 3 of untreated and treated (oximeHI-6 with atropine) intoxication with the organophosphorous insecticide phosdrine. Whereas in theCNS Panpal did not produce statistically significant changes in the activity of acetylcholinesterasein the course of untreated and treated phosdrine intoxication, in the blood and diaphragm Panpalmarkedly intensified phosdrine-induced inhibition of the acetylcholinesterase activity and, inaddition, decreased the reactivating effect of the oxime HI-6. The data give evidence of theimportance of the combination of the prophylactically used reversible acetylcholinesterase inhibitorpyridostigmine with anticholinergics, which could eliminate the consequences of a pyridostigmine--induced decrease in the activity of the enzyme in the periphery.

Key words:
phosdrine – Panpal – HI-6 – atropine – blood – diaphragma – brain –acetylcholinesterase – rat

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Pharmacy Clinical pharmacology
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