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Related Concept Videos

Asthma-I: Introduction01:29

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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...
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Asthma-II: Pathophysiology and Classification01:26

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Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
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Asthma: Pathogenesis and Management01:20

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Asthma-III: Symptoms and Complications01:24

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Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
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Do chronic workplace irritant exposures cause asthma?

Orianne Dumas1, Nicole Le Moual

  • 1aINSERM, U1168, VIMA, Aging and Chronic Diseases, Epidemiological and Public Health Approaches, F-94807, VillejuifbUniv Versailles St-Quentin-en-Yvelines, UMR-S, UVSQ, F-78180, Montigny le Bretonneux, France.

Current Opinion in Allergy and Clinical Immunology
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Summary

Chronic workplace irritant exposure, particularly from cleaning products, increases the risk of new-onset and work-aggravated asthma. Further research is needed to confirm causal links and understand mechanisms.

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Area of Science:

  • Occupational Health
  • Environmental Epidemiology
  • Respiratory Medicine

Background:

  • Workplace irritant exposures are common, especially from cleaning products.
  • Low to moderate level exposures are prevalent but less studied.
  • Asthma is a significant occupational health concern.

Purpose of the Study:

  • To review recent literature on chronic workplace irritant exposures and asthma.
  • To focus on low to moderate exposure levels.
  • To discuss epidemiological findings, biological mechanisms, and research needs.

Main Methods:

  • Review of recent epidemiological surveys.
  • Analysis of studies on cleaning product exposures.
  • Examination of potential biological mechanisms.

Main Results:

  • Nine epidemiological studies (mostly cross-sectional) showed increased risk of new-onset and work-exacerbated asthma.
  • Moderate irritant and cleaning product exposures were linked to higher risk.
  • Evidence for causal effect in new-onset asthma remains limited.

Conclusions:

  • Recent studies strengthen the evidence for chronic irritant exposure in work-related asthma.
  • Underlying mechanisms may involve oxidative stress and neurogenic inflammation.
  • Improved exposure assessment and biomarker identification are crucial for future research.