The etiology of extensive pleural effusions with troublesome clinical course among children

Luís Marcelo Inaco Cirino1, Filumena Maria da Silva Gomes, Bernardo Nogueira Batista

  • 1University Hospital, Universidade de São Paulo, São Paulo, Brazil. marcelocirino@uol.com.br

Insights

Complicated parapneumonic pleural effusion in children, often caused by Streptococcus pneumoniae, requires surgical intervention. Despite similar bacteriology to non-complicated cases, outcomes are worse, necessitating further research.

Area of Science:

  • Pediatric Infectious Diseases
  • Pulmonology
  • Surgical Pathology

Background:

  • Pneumonia is a leading infectious cause of mortality in children in São Paulo.
  • Parapneumonic pleural effusion is a common complication requiring surgical treatment if antibiotic therapy fails.

Purpose of the Study:

  • To investigate the etiological factors of complicated parapneumonic pleural effusions in children necessitating surgical intervention.

Main Methods:

  • A retrospective analysis of 117 cases of pediatric pleural empyema requiring surgery between 1986 and 1996.
  • Evaluation of clinical condition, radiological findings, nutritional and immunization status, prior antimicrobial therapy, and pleural effusion bacterioscopy.

Main Results:

  • Streptococcus pneumoniae was the most frequently identified pathogen in both blood and pleural fluid cultures.
  • Previous antibiotic use was found to negatively impact culture positivity.

Conclusions:

  • The bacteriological profile of complicated pneumonia cases mirrors that of non-complicated pneumonia.
  • Despite similar causative agents, children with complicated effusions experienced worse outcomes, suggesting factors beyond antibiotic resistance.
  • Further research is needed to elucidate the reasons for poorer outcomes in these pediatric patients.
Abstract

Related Concept Videos

Pleural Effusion II: Symptoms and Management01:28

Pleural Effusion II: Symptoms and Management

Pleural Effusion Overview
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:
Pleural Effusion I: Introduction01:25

Pleural Effusion I: Introduction

Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's criteria,...
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...
Pleural Disorders: Types and Brief Description01:30

Pleural Disorders: Types and Brief Description

The pleura is a vital part of the respiratory system. It's a double-layered membrane surrounding the lungs and lining the chest cavity. The two layers of the pleura are:
Pulmonary Edema II: Pathophysiology01:18

Pulmonary Edema II: Pathophysiology

Pulmonary edema is the accumulation of fluid in the interstitial and alveolar spaces of the lungs, impairing gas exchange and oxygen delivery. It may be cardiogenic or noncardiogenic, but both reduce oxygenation and lung compliance.Cardiogenic Pulmonary EdemaCardiogenic edema results from increased hydrostatic pressure in pulmonary capillaries, usually due to left ventricular dysfunction from myocardial infarction, heart failure, or valvular disease. Ineffective cardiac pumping causes blood to...