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Results for “ENCEPHALITIS, EPIDEMIC/complications”

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At least 19 recordsLinked to original sources
PubMed1953

The 1952 outbreak of encephalitis in California; long term neurologic and psychiatric studies of sequelae.

For fuller understanding of the nature of infectious encephalitis, continuing study must be made of patients with regard to possible neurological sequelae or aberrations in behavior. The large outbreak of encephalitis in California in 1952 having offered opportunity for follow-up observation of a large series of patients, many of them children who had convulsions during the acute phase of the disease, pilot studies already have been started and funds are being sought for extending the scope of the investigation over a period of years. In early observations of patients included in the pilot study, changes in emotional and behavior patterns were noted in some instances. Thus far, with the exception of two infants who had recurrence of convulsions, patients who recovered apparently free of residual effects have remained so. Further neurological and psychiatric investigation should be carried out.

Animals↗
PubMed1956

Sequelae of encephalitis; report of a study after the California epidemic.

In a study of almost 500 patients to determine residual effects, the sequelae of both St. Louis and Western equine encephalitis were more prominent in the younger age group. Infants under three months with Western equine encephalitis had the greatest central nervous system damage. Forty-four per cent of this entire group had sequelae. In patients between one and four years of age, the incidence of sequelae was less. The Western equine infection was associated with the more disabling residual damage. Postencephalitic convulsions were fairly common in the younger patients with Western equine disease, but not in the St. Louis group. After the age of five the sequelae rate dropped. In all age groups the Western equine residual changes were more severe than the damage of St. Louis infection. Some infants, children and adults showed remarkable improvement from sequelae even as much as two years after the abnormalities occurred. With the longer period of follow-up, some late sequelae were noted in children and adults, primarily among those who had Western equine infection.

Adult↗