A Clinical and Epidemiological Review on Chronic Pesticide Poisoning(Disorders). Part I. Nervous and Mental Disorders / 日本農村医学会雑誌

ABSTRACT

Of all chronic pesticide poisoning (disorders), I reviewed nervous and mental disorders from a clinical and epidemiological point of view.<BR>Exhibiting signs of a chronic course, nervous and mental disorders are classified into three types: delayed polyneuropathy, chronic sequelae following acute poisoning and poisoning (disorders) from a chronic exposure. Delayed polyneuropathy consists of extremital sensory disorders and motor paralysis which occur 2-4 weeks after the acute phase, and organophosphorous agents are responsible for them in many cases. The chronic sequelae following acute poisoning are something the symptoms of which persist for months or even for years after an acute exposure. Some of them primarily feature headaches and vision disorders, and central nervous system disorders, mental symptoms, psychic sequelae, and drops in the neuropsychiatric function, among others, are observed. Poisoning (disorders) from a chronic exposure results from an uninterrupted long-period exposure, and neurobehavioral effects, central and peripheral nervous disorders, Parkinson's disease, parkinsonism, dementia and mental disorders, among others, are observed.<BR>I analyzed the clinical features of nervous and mental disorders and at the same time studied methods for clinical diagnosis.