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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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Long Term Chronic Pseudomonas aeruginosa Airway Infection in Mice
15:43

Long Term Chronic Pseudomonas aeruginosa Airway Infection in Mice

Published on: March 17, 2014

Pleural infection: changing bacteriology and its implications.

Thiago Lisboa1, Grant W Waterer, Y C Gary Lee

  • 1Critical Care Department and Infection Control Committee, Hospital de Clinicas de Porto Alegre, Universidade Federal do Rio Grande do Sul and Intensive Care Unit, Hospital Santa Rita, Complexo Hospitalar Santa Casa, Porto Alegre, Brazil. tlisboa@hcpa.ufrgs.br

Respirology (Carlton, Vic.)
|March 9, 2011
PubMed
Summary

Pleural infection cases are increasing globally. Understanding the specific bacteria causing empyema is crucial for effective antibiotic treatment, as causes vary by patient age, acquisition source, and location.

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Area of Science:

  • Infectious Diseases
  • Microbiology
  • Pulmonology

Background:

  • Pleural infection incidence is rising globally.
  • Accurate identification of causative pathogens is vital for appropriate antimicrobial therapy.
  • The bacteriology of pleural infections is dynamic and complex.

Purpose of the Study:

  • To analyze the changing bacteriology of empyema.
  • To identify differences in empyema pathogens based on patient demographics, acquisition, and geography.
  • To assess the impact of pneumococcal vaccines on empyema pathogens.

Main Methods:

  • Review of recent epidemiological data on pleural infection.
  • Analysis of bacterial isolates from empyema cases.
  • Comparison of pathogen distribution across different patient groups and regions.

Main Results:

  • Bacterial causes of empyema differ significantly between adults and children.
  • Community-acquired and nosocomial empyemas exhibit distinct bacterial profiles.
  • Geographical variations in empyema bacteriology are evident.
  • Pneumococcal vaccination has altered the serotype distribution of Streptococcus pneumoniae in empyema.

Conclusions:

  • Empyema bacteriology is diverse and region-specific.
  • Therapeutic and vaccine strategies require adaptation based on local epidemiological data.
  • Clinicians must be informed about local empyema pathogens to guide antibiotic selection.