Updated Pneumonia Guidance: Less Invasive Approach for Children

Updated Pneumonia Guidance: Less Invasive Approach for Children

March 19, 2026 Ananya Mittal - World Editor News

Updated guidance from the Infectious Diseases Society of America (IDSA) and the Pediatric Infectious Disease Society (PIDS) offers a less invasive approach to managing complicated pneumonia in children, marking the first major update to these recommendations since 2011. The revised guidelines, published March 19, 2026, emphasize the use of chest ultrasound over CT scans for evaluating pleural effusions and favor smaller chest tubes for drainage when intervention is needed. These changes reflect a growing body of evidence suggesting that more aggressive procedures don’t necessarily improve outcomes for many children with this condition.

A Shift Towards Less Invasive Procedures

Complicated pneumonia, defined by the presence of parapneumonic effusion – a buildup of fluid around the lungs – requires careful management. The updated guidance focuses on refining the approach to these effusions, categorizing them as small, moderate, or large to guide treatment decisions. A key takeaway is that observation with antibiotics may be sufficient for children with small effusions, avoiding the demand for immediate drainage. For moderate effusions accompanied by respiratory distress, or for large effusions, pleural drainage is recommended, with a preference for chest tubes combined with fibrinolytics (medications that break down blood clots) over surgical debridement.

“What prompted the update was a pretty dramatic change in the landscape of childhood pneumonia, which was a greater recognition that invasive procedures for complicated pneumonia did not seem to offer any meaningful advantage over less invasive procedures, such as simply placing a chest tube and using fibrinolysis,” explained Samir S. Shah, MD, MSCE, MHM, professor of pediatrics and vice chair of clinical affairs and education at Cincinnati Children’s Hospital Medical Center.

Ultrasound as the First-Line Imaging Tool

A significant change in the guidelines is the recommendation to prioritize chest ultrasound over CT or MRI when visualizing moderate to large parapneumonic effusions. Ultrasound is non-invasive, doesn’t expose children to radiation, and can effectively identify and characterize pleural effusions. This aligns with a broader trend in pediatric imaging to minimize radiation exposure whenever possible. Mark Neuman, MD, MPH, a pediatric emergency medicine physician and director of research at Boston Children’s Hospital, noted that the IDSA has adopted the GRADE approach – Grading of Recommendations Assessment, Development and Evaluation – to assess the certainty of evidence when developing these recommendations.

The GRADE system highlights areas where more research is needed, and in this case, the certainty of evidence supporting many of the recommendations is described as “very low” due to a limited number of studies, particularly randomized controlled trials. You can learn more about the GRADE methodology on the GRADE website.

Specific Recommendations and Considerations

The updated guidance includes five conditional recommendations based on this limited evidence:

  • Chest ultrasound is preferred over CT or MRI for visualizing moderate to large parapneumonic effusion.
  • Observation is recommended for small effusions, whereas pleural drainage is recommended for moderate effusions with respiratory distress or large effusions.
  • For kids who need pleural drainage, a chest tube with fibrinolytics is preferred over surgical debridement.
  • Small-bore chest tubes (size 12 French or lower) are preferred for pleural drainage over large-bore chest tubes (size 14 French or higher).
  • For children with pneumonia-associated empyema, tissue plasminogen activator (tPA) alone is preferred over tPA and deoxyribonuclease (DNase).

The choice of chest tube size is another notable shift. The guidelines recommend using smaller-bore chest tubes (12 French or lower) as they are associated with less pain and comparable effectiveness to larger tubes.

Challenges and Areas for Future Research

Developing these guidelines wasn’t without its challenges. Researchers grappled with incorporating studies conducted in low- and middle-income countries, where the types of pathogens causing pneumonia and the overall clinical presentation can differ significantly from those seen in higher-income nations.

Both Shah and Neuman emphasized the need for further research in several key areas. One critical gap is a better understanding of the optimal duration of antibiotic therapy for complicated pneumonia. Current practices haven’t been rigorously evaluated, and shorter courses of antibiotics are being explored for other infections. More research is also needed to compare VATS (video-assisted thoracoscopic surgery) to chest tube placement, particularly in children with varying degrees of effusion and clinical presentation.

The lack of robust data also highlights the difficulty of conducting randomized controlled trials in this area, as clinical momentum often favors certain treatments, making it challenging to establish equipoise – a state of genuine uncertainty about which treatment is best.

What This Means for Clinicians and Families

The updated guidelines represent a move towards a more conservative and less invasive approach to managing complicated pneumonia in children. The emphasis on ultrasound, smaller chest tubes, and observation for small effusions aims to minimize unnecessary interventions and reduce patient discomfort.

For clinicians, the guidelines provide a framework for making informed decisions based on the size of the effusion, the child’s respiratory status, and the available evidence. Families can be reassured that the focus is on providing effective treatment while minimizing risks.

The IDSA and PIDS guidelines are available for review on the Healio website. The Centers for Disease Control and Prevention (CDC) also provides comprehensive information on pneumonia, including prevention strategies and resources for healthcare professionals and the public.

Looking ahead, ongoing surveillance of pneumonia cases and continued research into optimal treatment strategies will be crucial for refining these guidelines and improving outcomes for children with this potentially serious condition. The process of updating these guidelines is expected to continue as new evidence emerges, ensuring that clinical practice remains aligned with the best available science.