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Etiology and outcome in 42 children with acute nonbacterial meningoencephalitis
Abstract:
In a prospective study of 42 cases of childhood meningoencephalitis occurring in 1974 and 1975, a diagnosis of an infectious agent was made in 30 (71%). California virus infections were most common; they were serious illnesses but had few sequelae. Benign illnesses with enteroviruses were also common. Miscellaneous and unknown agents accounted for the most seriously ill patients and for both deaths. Persistent neurologic deficits were unusual. Headaches, malaise, and changes in behavior were common but transient.
Insights
Infectious agents caused most childhood meningoencephalitis cases (71%) in a 1974-75 study. California virus and enteroviruses were common, with most patients experiencing transient symptoms and few long-term deficits.
Area of Science:
- Pediatrics
- Infectious Diseases
- Neurology
Background:
- Childhood meningoencephalitis presents a significant public health challenge.
- Understanding the causative agents and outcomes is crucial for effective management.
Purpose of the Study:
- To identify infectious agents responsible for childhood meningoencephalitis.
- To evaluate the clinical presentation and outcomes of these infections.
Main Methods:
- Prospective study of 42 pediatric cases from 1974-1975.
- Diagnosis of infectious agents through clinical and laboratory evaluation.
Main Results:
- An infectious agent was diagnosed in 71% of cases.
- California virus infections were most frequent, causing serious illness with minimal sequelae.
- Enteroviruses caused benign illnesses; miscellaneous/unknown agents were associated with severe cases and deaths.
- Persistent neurologic deficits were uncommon; transient symptoms like headache and behavioral changes were frequent.
Conclusions:
- Infectious agents are the primary cause of childhood meningoencephalitis.
- California virus and enteroviruses are significant pathogens.
- Outcomes are generally favorable, with a low incidence of long-term neurological impairment.