Related Experiment Video
Updated: Aug 29, 2026
Antibiotic Efficacy Testing in an Ex vivo Model of Pseudomonas aeruginosa and Staphylococcus aureus Biofilms in the Cystic Fibrosis Lung
Published on: January 22, 2021
Clinical response to antibiotic therapy for community-acquired pneumonia
Taina Juvén1, Jussi Mertsola, Matti Waris
1Department of Paediatrics, Turku University Hospital, PL 52, 20521, Turku, Finland.
Insights
Childhood community-acquired pneumonia typically resolves quickly in developed countries. Most children recover within 48 hours, and extensive testing isn't usually needed unless sepsis is suspected.
Area of Science:
- Pediatrics
- Infectious Diseases
- Public Health
Background:
- Childhood community-acquired pneumonia is a significant global health concern.
- Accurate etiological diagnosis and expected treatment responses are often unclear.
- Empirical antibiotic therapy is common, especially without bacteremia or empyema.
Purpose of the Study:
- To assess clinical response to antibiotics in hospitalized children with pneumonia in a developed country.
- To identify common etiological agents and their impact on recovery.
- To evaluate fever duration and hospitalization length as recovery metrics.
Main Methods:
- Prospective study of 153 hospitalized children with pneumonia.
- Evaluation of 17 potential microbial causative agents.
- Measurement of fever duration (>37.5°C) and hospital stay duration.
Main Results:
- An etiological cause was identified in 83% of patients (viral, bacterial, or mixed).
- Median fever duration post-antibiotics was 14 hours; median hospitalization was 48 hours.
- Mixed viral-bacterial infections correlated with slower fever resolution.
Conclusions:
- Children in developed countries generally experience rapid recovery from pneumonia with short hospital stays.
- Extensive microbiological investigations are unnecessary if bacterial sepsis is ruled out.
Unlabelled:
Childhood community-acquired pneumonia is a common and potentially serious problem worldwide. Unless the patient has bacteraemia or pleural empyema, aetiological diagnostics are limited and antibiotic treatment is empirical. Published data on expected response to therapy are scarce. To determine the clinical response to antibiotic treatment in a developed country in otherwise healthy children with community-acquired pneumonia, we conducted a prospective study of 153 hospitalised children with pneumonia. The role of 17 microbes as potential causative agents was evaluated. The duration of fever (>37.5 degrees C) and hospitalisation were studied as objective measures of recovery. A potential aetiology was found in 83% of 153 patients: 29% of the patients had sole viral and 26% sole bacterial and 29% mixed viral-bacterial infections. The median duration of fever after the onset of antibiotic treatment (mainly penicillin G) was 14 h and the median duration of hospitalisation was 48 h. Patients with mixed viral-bacterial infection became afebrile more slowly than those with either sole viral or sole bacterial infections.
Conclusion:
the findings indicate that in a developed country, children with pneumonia make a rapid, uneventful recovery needing only a short hospital stay. Expensive and time-consuming microbiological investigations are not required once bacterial sepsis has been excluded.
Related Concept Videos
01:14Atypical Pneumonia
01:28Pneumonia IV: Management
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:
01:30Pneumonia III: Complications and Assessment
01:28Acute Pyelonephritis II: Diagnostic Studies and Management
01:25Clinical Significance of Antibiotic Resistance
01:29Pneumonia II: Pathophysiology