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Related Concept Videos

Larynx01:21

Larynx

The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
Irritable Bowel Syndrome I: Introduction01:17

Irritable Bowel Syndrome I: Introduction

Irritable Bowel Syndrome (IBS) is characterized by functional disturbances in the gastrointestinal system, presenting a cluster of symptoms without evident structural or biochemical abnormalities. It primarily affects the large intestine and may cause abdominal pain, bloating, excessive gas, diarrhea, constipation, or both.
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...
Irritable Bowel Syndrome01:23

Irritable Bowel Syndrome

DefinitionIrritable bowel syndrome (IBS) is a functional gastrointestinal disorder characterized by recurrent combinations of abdominal pain, bloating, diarrhea, or constipation.Pathophysiology of irritable bowel syndromeIts pathophysiology is multifactorial, involving disturbances in motility, sensory processing, microbial balance, barrier integrity, and gut–brain communication. These mechanisms interact to produce symptoms that vary across IBS subtypes.Altered Motility PatternsDisordered...
Asthma-I: Introduction01:29

Asthma-I: Introduction

Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
Irritable Bowel Syndrome III: Medical and Nursing Management01:30

Irritable Bowel Syndrome III: Medical and Nursing Management

Managing Irritable Bowel Syndrome (IBS) involves a multifaceted approach, including lifestyle modifications, dietary changes, and medication.
Gastroesophageal Reflux Disease II: Clinical Features and Management01:29

Gastroesophageal Reflux Disease II: Clinical Features and Management

Gastroesophageal reflux disease, or GERD, is a persistent medical condition that affects many individuals worldwide. Its clinical manifestations can vary greatly, making diagnosis and management challenging for healthcare professionals. The following is a comprehensive overview of the clinical manifestations, assessment, and management strategies for GERD.
Clinical Manifestations
GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...

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Related Experiment Video

Updated: Jun 8, 2026

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
07:45

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing

Published on: December 1, 2023

Work-associated irritable larynx syndrome.

R F Hoy1, M Ribeiro, J Anderson

  • 1Toronto Western Hospital, Toronto, Ontario, Canada. drryanhoy@gmail.com

Occupational Medicine (Oxford, England)
|September 28, 2010
PubMed
Summary

Work-associated irritable larynx syndrome (WILS) involves upper airway dysfunction, often triggered by workplace exposures like odors and fumes. Management requires a multidisciplinary approach addressing both work and intrinsic factors.

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Identification and Protection of the Recurrent Laryngeal Nerve during Transoral Robotic Thyroidectomy
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Last Updated: Jun 8, 2026

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
07:45

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Area of Science:

  • Occupational Medicine
  • Pulmonology
  • Laryngology

Background:

  • Work-associated respiratory symptoms can stem from both lower and upper airway issues.
  • Work-associated irritable larynx syndrome (WILS) is proposed as a condition initiated or triggered by occupational exposures, characterized by symptoms like episodic dyspnea, dysphonia, cough, and throat tension.

Observation:

  • This study examined factors associated with WILS, occupational asthma (OA), and work-exacerbated asthma (WEA) in patients from an occupational lung disease clinic.
  • A chart review of 448 patients between 2002 and 2006 identified 30 WILS cases, 50 OA cases, and 40 WEA cases.

Findings:

  • WILS patients were more likely to be female and reported gastro-oesophageal reflux symptoms.
  • Common triggers for WILS symptoms included odors, fumes, perfumes, and cleaning agents.
  • Fourteen WILS patients identified a specific workplace precipitating event, with five seeking emergency care within 24 hours.

Implications:

  • Upper airway dysfunction is a significant contributor to work-related respiratory symptoms.
  • Effective management of WILS necessitates a multidisciplinary strategy focusing on modifying occupational and intrinsic contributing factors.