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Related Concept Videos

Common Respiratory Disorders01:31

Common Respiratory Disorders

1.8K
Respiratory disorders, a prevalent health concern globally, are generally divided into two primary categories: upper and lower respiratory tract disorders. The categorization is based on the area of the respiratory system they affect.
Upper respiratory disorders impact the airways above the vocal cords, encompassing areas like the nose, sinuses, and throat. Various conditions fall under this category, including the common cold and allergic rhinitis. These disorders can stem from several causes,...
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Microbiota of the Respiratory Tract01:29

Microbiota of the Respiratory Tract

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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...
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Pulmonary Cycle: Exhalation01:17

Pulmonary Cycle: Exhalation

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In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
5.2K
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

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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...
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Pneumonia I: Introduction01:30

Pneumonia I: Introduction

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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...
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Other Pulmonary Disorders01:17

Other Pulmonary Disorders

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Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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Assessing Respiratory Immune Responses to Haemophilus Influenzae
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Respiratory infections.

Evan J Anderson1

  • 1Division of Infectious Diseases, Departments of Pediatrics and Medicine, Emory University School of Medicine, 2015 Uppergate Drive, Atlanta, GA, 30323, USA, evanderson@emory.edu.

Cancer Treatment and Research
|April 8, 2014
PubMed
Summary
This summary is machine-generated.

Cancer patients frequently develop respiratory infections, which can mimic noninfectious lung issues. Prompt, tailored treatment and aggressive diagnostics are crucial for managing these severe respiratory conditions.

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Area of Science:

  • Oncology
  • Infectious Diseases
  • Pulmonology

Background:

  • Respiratory tract infections (RTIs) are a significant cause of morbidity and mortality in cancer patients.
  • Cancer, chemotherapy, and radiation therapy can induce noninfectious pulmonary infiltrates and symptoms that mimic RTIs.
  • Cancer patients face an elevated risk of diverse and challenging-to-treat viral, fungal, and bacterial infections.

Purpose of the Study:

  • To highlight the diagnostic and therapeutic challenges of respiratory infections in cancer patients.
  • To emphasize the importance of differentiating infectious from noninfectious pulmonary complications.
  • To guide the management of RTIs in this vulnerable population.

Main Methods:

  • Review of current literature on respiratory infections in cancer patients.
  • Discussion of diagnostic approaches, including noninvasive and invasive methods.
  • Analysis of therapeutic strategies, emphasizing tailored and evolving treatment plans.

Main Results:

  • Noninfectious pulmonary conditions can present similarly to RTIs in cancer patients, complicating diagnosis.
  • Despite advances in noninvasive diagnostics, severe or refractory cases warrant aggressive diagnostic testing and tissue sampling.
  • Initial antimicrobial therapy must consider individual risk factors for multidrug-resistant organisms, viruses, and fungi.

Conclusions:

  • Accurate diagnosis is critical for effective management of respiratory symptoms in cancer patients.
  • Personalized empirical therapy followed by targeted treatment based on diagnostic results improves outcomes.
  • A multidisciplinary approach integrating oncology, infectious disease, and pulmonary expertise is essential.