Pediatric pneumonia - A clinico-pathological study.

Area of Science:

• Pediatric Pathology
• Infectious Diseases
• Pulmonology

Background:

• Childhood pneumonia stems from diverse pathogens like bacteria, viruses, and fungi.
• Clinical symptoms of viral and bacterial pneumonia often overlap, complicating diagnosis.
• Despite viruses being more common, antibiotics are frequently the initial treatment for pediatric pneumonia.

Purpose of the Study:

• To detail pulmonary histopathological patterns in pediatric pneumonia cases (<12 years) via autopsy.
• To identify the likely causes of pneumonia and correlate them with clinical presentations.
• To provide insights into pneumonia pathogenesis and antibiotic use in children.

Main Methods:

• A 3-year retrospective, single-center autopsy study.
• Correlation of clinical data with postmortem histopathological findings.
• Etiological classification into viral, bacterial, mixed, or other categories.

Main Results:

• Pneumonia was diagnosed postmortem in 34% (89/262) of autopsied children.
• Histological patterns suggested viral etiology in 51.7% (46/89) and bacterial in 30.3% (27/89) of cases.
• Antibiotics were administered to 35/46 patients with viral patterns and 4/89 with other diagnoses like tuberculosis and invasive aspergillosis.

Conclusions:

• Clinical features and investigations are unreliable for differentiating viral from bacterial pneumonia in children.
• Autopsy is crucial for understanding pneumonia pathogenesis and identifying inappropriate antibiotic use.
• This study highlights a gap in Indian research comparing clinical and postmortem pneumonia findings in pediatric cases.