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Related Concept Videos

Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
The nose and nasal cavity represent the main external openings of the respiratory tract.
Epistaxis01:30

Epistaxis

Epistaxis, or nosebleeds, occurs when small, swollen blood vessels in the nasal mucous membrane rupture. Typically, the anterior septum is the primary site of occurrence.
Etiology
Possible causes of this condition include high blood pressure, trauma, low humidity, upper respiratory tract infections, allergies, foreign bodies, nasal inhalation of corticosteroids or illicit drugs, excessive use of decongestant nasal sprays, facial or nasal surgery, anatomic malformation, tumors, or systemic...
Chronic Pharyngitis01:23

Chronic Pharyngitis

Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
Drugs Used in Upper Respiratory Disorders: Overview01:16

Drugs Used in Upper Respiratory Disorders: Overview

Upper respiratory tract disorders, including viral infections and allergic rhinitis, cause significant discomfort and disrupt daily life. Managing these conditions involves a variety of drugs, such as antihistamines, intranasal steroids, decongestants, antitussives, expectorants, and mucolytics. Specific examples of drugs in each category are provided.
Antihistamines (e.g., Benadryl) block histamines from binding. Histamines are chemicals released during an allergic reaction in the body. As a...
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...
Suctioning the Nasopharyngeal Airway01:29

Suctioning the Nasopharyngeal Airway

Nasopharyngeal suctioning is a procedure to remove secretions from the upper part of the respiratory tract that the patient cannot clear independently. It helps maintain airway patency and prevents complications such as aspiration pneumonia.
Equipment Required

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Related Experiment Video

Updated: Jul 4, 2026

Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay
06:08

Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay

Published on: September 22, 2023

Occupational rhinosinusitis.

Johan Hellgren1

  • 1Department of Ear, Nose, and Throat and Head and Neck Surgery, Capio Lundby Hospital, Gothenburg, Sweden. johan.hellgren@lundbysjukhus.se

Current Allergy and Asthma Reports
|July 1, 2008
PubMed
Summary
This summary is machine-generated.

Occupational rhinosinusitis, unlike allergic rhinitis, can be managed by controlling workplace exposure. Early prevention is key, as incidence peaks within months of exposure to irritants.

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Area of Science:

  • Environmental Health
  • Occupational Medicine
  • Rhinology

Background:

  • Occupational rhinosinusitis (ORS) presents a distinct challenge compared to allergic rhinitis.
  • Exposure control is a unique and effective strategy for managing ORS.
  • Adolescents entering the workforce are particularly vulnerable to developing ORS.

Purpose of the Study:

  • To review new insights into occupational rhinosinusitis.
  • To highlight the impact of ORS on health-related quality of life.
  • To emphasize the importance of early prevention strategies in high-risk work environments.

Main Methods:

  • Analysis of prospective data from adolescents in various work environments.
  • Review of existing literature on ORS definitions and differentiation from other nasal inflammatory diseases.
  • Consideration of industrial, economic, and political factors influencing preventive measure implementation.

Main Results:

  • Adolescents in high-risk work environments show a higher incidence of rhinitis.
  • The highest incidence of ORS occurs within the initial months of exposure to irritants and sensitizers.
  • Challenges in ORS diagnosis include poor definitions and differentiation from other nasal conditions.

Conclusions:

  • Controlling workplace exposure is a critical measure for mitigating the impact of ORS.
  • Early preventive interventions are crucial, especially during the initial period of occupational exposure.
  • Further research is needed to address diagnostic challenges and facilitate effective prevention of ORS.