[The report of organophosphorus pesticides cause delayed nervous system diseases (143 cases)].

This article reports delayed dysneuria 143 cases, 54 cases in male and 89 cases in female, age 8-59 years old. They are treated by atropine. After the cholinesterase inhibited symptoms had vanished or had improved and after the other factors had been eliminated the delayed dysneurias occur after poisoning 5.42 days. They are the peripheral neuritis, the amyotrophic lateral sclerosis, the myasthenic crisis, the peptic neuritis, the encephalitis, the mixed aphasia and the symptoms like Guillain-Barre's syndrome. Their death rates are higher in two months to the types of the myasthenic crisis, the encephalitis and the amyotrophic lateral sclerosis and to the other types of disease and the cases. Poisoned two months later, their prognosis are better and the mechanism are not very clear now.