| Autor: |
Barbosa, Egberto R., Comerlatti, Luiz R., Haddad, Monica S., Scaff, Milberto |
| Jazyk: |
angličtina |
| Rok vydání: |
1992 |
| Předmět: |
|
| Zdroj: |
Arquivos de Neuro-Psiquiatria, Volume: 50, Issue: 4, Pages: 531-533, Published: DEC 1992 |
| Popis: |
Ethylene oxide is a gas widely used in the production of industrial chemicals. It is also used to sterilize heat-sensitive medical supplies. Previous reports of acute and chronic exposure have described neurotoxic effects like peripheral neuropathy and cognitive impairment. We describe a pure parkinsonian syndrome following acute ethylene oxide intoxication. A 39-years-old male was referred to our Movement Disorders Clinic tor evaluation of a parkinsonian syndrome. He was acutely exposed to ethylene oxide four years before and remained comatose for three days, and gradually regained consciousness.. At that time he showed a global parkinsonian syndrome including bradykinesia, rigidity and rest tremor, with a severe motor disability; no other neurological disorders were found. The symptomatology was partially controlled with biperidene and levodopa plus carbidopa. Two years later he developed L-dopa induced dyskinesias. Four years after the intoxication he was evaluated at our clinic. General examination showed no abnormalities. Neurologic examination revealed a normal menta1 status. Motor evaluation disclosed moderate bradykinesia, rigidity and rest tremor, shuffling gait, poor facial mimic, stooped posture, and his speech was low and monotonous; deep tendon reflexes were brisk. The Hoehn-Yahr disability score was degree IV. Routine laboratory and radiological exams showed results within normal limits. The CSF examination was normal. Brain computed tomography and magnetic ressonance were normal. A trial with bromocriptine and levodopa plus carbidopa did not improve dyskinesia, and he was put on a schedule including amantadine and biperidene with improvement to grade III in Hoehn-Yahr scale. In the present case there was a clear relation between the acute exogenous intoxication and irreversible parkinsonism. No other causes for the condition were identified. Parkinsonismo consequente a intoxicações exógenas tem sido relatado desde o início do século. Os agentes mais comumente implicados são o manganês, o monóxido de carbono e o sulfureto de carbono. No presente relato descreve-se síndrome parkinsoniana consequente a exposição aguda ao óxido de etileno. Manifestações neurológicas como neuropatia periférica e distúrbios cognitivos relacionados à exposição a este gás foram previamente descritas, porém não foi encontrada na literatura registro de parkinsonismo consequente a esse tipo de intoxicação exógena. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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