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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 II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
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:
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...

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Related Experiment Video

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Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria
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Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria

Published on: February 23, 2014

Community-acquired pneumonia and parapneumonic effusions in developing countries.

Gülten Seçmeer1, Arbay O Ciftçi, Güler Kanra

  • 1Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey.

The Turkish Journal of Pediatrics
|March 28, 2008
PubMed
Summary

Community-acquired pneumonia in children is common, especially in colder months. Streptococcus pneumoniae was a key pathogen, with some penicillin resistance, highlighting challenges in developing countries.

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Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Respiratory Medicine

Background:

  • Community-acquired pneumonia (CAP) and parapneumonic effusion are significant pediatric respiratory infections.
  • Management challenges exist, particularly in developing countries, with high rates of pre-admission antibiotic use.

Purpose of the Study:

  • To determine demographic properties, etiologic microorganisms, and resistance patterns in pediatric CAP with parapneumonic effusion.
  • To evaluate diagnostic and management strategies for these infections.

Main Methods:

  • Retrospective evaluation of 98 pediatric patients diagnosed with CAP and parapneumonic effusion.
  • Analysis of patient demographics, seasonal distribution, microbial cultures (blood and pleural fluid), and antibiotic resistance patterns.

Main Results:

  • The study included 98 patients (mean age 6.5 years, 56% male).
  • Streptococcus pneumoniae was identified in 4 of 27 positive pleural effusion cultures, with 25% intermediate penicillin resistance.
  • High pre-admission antibiotic use (84%) and seasonal clustering (October-May) were observed.

Conclusions:

  • Pediatric respiratory tract infections pose diagnostic and management challenges in developing nations.
  • Chest X-ray and erythrocyte sedimentation rate (ESR) aid in classifying lower respiratory tract infections.
  • Increased use of viral serologic studies could reduce antibiotic usage and costs.