Related Experiment Video

Updated: Aug 12, 2026

Tractable Mammalian Cell Infections with Protozoan-primed Bacteria
13:54

Tractable Mammalian Cell Infections with Protozoan-primed Bacteria

Published on: April 2, 2013

Opportunistic thoracic infections. Bacteria, viruses, and protozoa

E A Talbot1, C B Hicks

  • 1Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA.

Chest Surgery Clinics of North America
|March 18, 1999
PubMed

Insights

Immunocompromised patients face numerous bacterial, viral, and protozoan lung infections. An aggressive diagnostic strategy is crucial for successful treatment outcomes in these vulnerable individuals.

Area of Science:

  • Medical Microbiology
  • Infectious Diseases
  • Pulmonology

Background:

  • Immunocompromised patients are susceptible to a wide spectrum of pulmonary pathogens.
  • Pulmonary infections in this population can lead to severe morbidity and mortality.
  • Early and accurate diagnosis is critical for effective management.

Purpose of the Study:

  • To outline a general diagnostic approach for pulmonary infections in immunocompromised patients.
  • To review the most significant bacterial, viral, and protozoan chest infections in this demographic.
  • To emphasize the importance of an aggressive diagnostic strategy.

Main Methods:

  • Literature review of diagnostic strategies for pulmonary infections.
  • Discussion of common and critical pathogens affecting immunocompromised hosts.
  • Synthesis of current recommendations for clinical and laboratory diagnosis.

Main Results:

  • The differential diagnosis for pulmonary infections in immunocompromised patients is broad.
  • Specific bacterial, viral, and protozoan agents pose significant threats.
  • Timely and comprehensive diagnostics improve patient prognoses.

Conclusions:

  • An aggressive, systematic diagnostic approach is paramount for managing pulmonary infections in immunocompromised patients.
  • Understanding the spectrum of potential pathogens guides diagnostic efforts.
  • Successful outcomes depend on prompt identification and targeted therapy.

More Related Videos

Long Term Chronic Pseudomonas aeruginosa Airway Infection in Mice15:43

Long Term Chronic Pseudomonas aeruginosa Airway Infection in Mice

Published on: March 17, 2014

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria11:32

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

Published on: February 23, 2014

Related Concept Videos

Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
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...
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Microbiota of the Respiratory Tract01:29

Microbiota of the Respiratory Tract

The human respiratory tract, comprising the upper and lower segments, serves as a critical interface with the external environment. The upper respiratory tract (URT)—including the nostrils, sinuses, pharynx, and oropharynx—is heavily colonized by microbes, while the lower respiratory tract (LRT), composed of the larynx, trachea, bronchi, and lungs, was long thought to be sterile. However, recent molecular studies have revealed that the lungs are not devoid of microbes but act more like...
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 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...