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Primary herpes simplex pneumonia in a neonate
Abstract:
A 6-day-old male infant was treated for rapidly progressive pneumonia. The infection was not responsive to antibiotic and symptomatic treatment, and the infant died within 48 hours of admission. Herpes simplex type II grew from premortem respiratory and postmortem lung cultures, and immunoperoxidase staining confirmed the presence of this organism in lung tissue. Pathologic findings were limited to the lungs. A maternal origin for the virus was suspected but could not be proved. We believe this patient represents the first reported case of isolated herpes simplex type II pneumonia in a neonate.
Insights
A neonate rapidly developed pneumonia unresponsive to treatment, leading to death. Herpes simplex type II was identified as the cause, representing a rare case of isolated neonatal pneumonia.
Area of Science:
- Neonatal medicine
- Virology
- Pediatric infectious diseases
Background:
- Neonatal pneumonia poses a significant mortality risk.
- Herpes simplex virus (HSV) infections can cause severe neonatal disease.
- Distinguishing viral from bacterial pneumonia is critical for effective treatment.
Observation:
- A 6-day-old infant presented with rapidly progressive pneumonia.
- The infant's condition did not improve with standard antibiotic and symptomatic care.
- Death occurred within 48 hours of hospital admission.
Findings:
- Herpes simplex type II (HSV-2) was isolated from respiratory and lung cultures.
- Immunoperoxidase staining confirmed HSV-2 presence in lung tissue.
- Pathological examination revealed isolated lung involvement.
Implications:
- This case highlights HSV-2 as a potential cause of severe neonatal pneumonia.
- Early diagnosis and specific antiviral therapy are crucial for neonatal herpes infections.
- Further research is needed to understand HSV-2 transmission and pathogenesis in neonates.