Are there any differences in the community acquired pneumonias admitted to hospital over the past decade?

Cláudia Calado1, Pedro Nunes, Luísa Pereira

  • 1Hospital de Faro EPE. Serviço de Pediatria. Director: Dr. José Maio/Hospital de Faro EPE. Paediatrics Unit. Director Dr. José Maio. claudiasilvacalado@hotmail.com

Insights

Community acquired pneumonia (CAP) in children has become more severe, with increased hospital admissions and complications like pleural effusion and empyema. Despite this, hospital stays and fever duration have shortened, with updated antibiotic prescribing patterns observed.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Respiratory Medicine

Background:

  • Community acquired pneumonia (CAP) incidence has decreased in Western countries, but with a trend towards more severe cases requiring hospitalization.
  • Previous studies provide a baseline for comparing current trends in pediatric CAP severity and management.

Purpose of the Study:

  • To characterize hospitalized pediatric CAP cases and compare their severity and management with a previous study from 2001.
  • To identify trends in bacterial agents, complications, and treatment outcomes.

Main Methods:

  • Retrospective data collection on 63 pediatric CAP admissions over a six-month period.
  • Analysis of clinical data, chest X-ray findings, microbiological results, and treatment protocols.
  • Comparison of current data with a 2001 study on pediatric CAP.

Main Results:

  • The majority of patients were aged 0-2 years. Consolidation/atelectasis was seen in 92.1%, and pleural effusion (PE) in 27.0%, with empyema in 17.4%.
  • Streptococcus pyogenes, Streptococcus pneumoniae, and Haemophilus influenzae were identified bacterial agents.
  • Patients with PE experienced longer fever duration, higher inflammatory markers, and longer hospital stays. Overall severity, including PE and empyema rates, increased compared to the 2001 study, yet hospital stay and fever duration decreased.

Conclusions:

  • Pediatric CAP has increased in severity, evidenced by higher rates of PE and empyema, potentially linked to new bacterial strains.
  • Despite increased severity, hospital stays and fever duration have reduced, possibly due to changes in antibiotic prescribing. Ampicillin use increased during hospitalization.
  • Referral to specialized centers for complicated CAP diagnosis and management is recommended. Development of new vaccines targeting aggressive serotypes is of significant interest.

Related Concept Videos

Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
Pneumonia I: Introduction01:30

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
Pneumonia IV: Management01:28

Pneumonia IV: Management

The treatment of pneumonia varies based on its severity and the causative pathogen. Here is a structured approach to managing pneumonia, integrating pharmaceutical and supportive care strategies.
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:
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps: