Clinical characteristics of pediatric pneumonia: a retrospective study

Area of Science:

• Pediatric Infectious Diseases
• Clinical Microbiology
• Respiratory Medicine

Background:

• Pneumonia remains a significant cause of morbidity and mortality in infants and children worldwide.
• Understanding the clinical spectrum and causative agents of pediatric pneumonia is crucial for effective management.
• Viral pathogens play a substantial role in pediatric respiratory infections, often leading to complex clinical presentations.

Purpose of the Study:

• To investigate the clinical characteristics of pneumonia in pediatric patients.
• To identify factors associated with severe pneumonia and mixed infections.
• To provide evidence for improved prevention and treatment strategies for pediatric pneumonia.

Main Methods:

• A retrospective analysis of clinical data from pediatric patients diagnosed with pneumonia.
• Data collected included patient demographics, vaccination status, clinical presentation, laboratory markers (CRP, PCT), and treatment outcomes.
• Pathogen detection results were analyzed in relation to disease severity and infection type.

Main Results:

• Severe pneumonia cases and mixed infections were associated with higher rates of specific viral pathogens including rhinovirus, bocavirus, RSV, and influenza A.
• Patients with severe or mixed infections exhibited increased fever, elevated CRP and PCT, anemia, and required ventilatory support and longer hospitalization.
• Mixed infections were linked to lower pneumonia vaccination rates and greater disease severity.

Conclusions:

• Severe pediatric pneumonia is frequently associated with multiple and mixed viral infections, correlating with more severe clinical manifestations.
• Mixed infections in children with pneumonia are linked to lower vaccination coverage and increased disease severity.
• Enhanced surveillance, targeted prevention, and optimized treatment are essential for managing severe and mixed infection pneumonia in children.