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[Encephalopathy associated with severe bacterial infections: "presuppurative encephalitis" or "toxi-infectious
V A Pham Thi1, P Nordmann, P Landrieu
1Service de Neurologie pédiatrique, CHU Paris sud-Bicêtre, AP-HP, Hôpital de Bicêtre, 94270 Le Kremlin Bicêtre.
Insights
Severe bacterial infections in children can cause encephalopathy, potentially due to direct infection or toxins. Prompt antibiotic treatment is crucial for managing this condition.
Area of Science:
- Pediatric Infectious Diseases
- Neuroinfectious Diseases
- Critical Care Medicine
Background:
- Encephalopathy in children can arise from severe bacterial infections.
- Distinguishing between septic encephalitis and toxic-infectious processes is clinically important.
Observation:
- Three pediatric cases presented with encephalopathic symptoms during severe bacterial infections.
- Infections included appendicular peritonitis, purulent knee arthritis, and pneumococcal septicemia.
- No intracranial purulent collections or metabolic disturbances were observed.
Findings:
- The encephalopathy was linked to severe bacterial infections without direct central nervous system pus or metabolic issues.
- Differential diagnosis considered true septic encephalitis versus a toxi-infectious mechanism.
- Mechanisms may involve direct toxin effects or intracerebral cytokine activation.
Implications:
- Early recognition of encephalopathy in pediatric bacterial infections is vital.
- Prompt and appropriate antibiotic administration is the cornerstone of treatment.
- Further research may elucidate specific pathogenic mechanisms in pediatric neuroinflammation.
Abstract:
Three children are reported, exhibiting encephalopathic symptoms in the course of a severe bacterial infection, though they had no sign of intracranial purulent collection nor metabolic disturbances: the first was associated with a appendicular peritonitis, the second with a purulent knee arthritis, the third with a pneumoccus septicemia. The elements are reviewed that favor either a true septic encephalitis, i.e. microscopic presuppurative foci, versus a toxiinfectious process, either by direct action of toxins or through intracerebral activation of pre-inflammatory cytokines. Whatever the mechanism involved in individual cases, the treatment is mainly based on prompt administration of the convenient antibiotics.