[Did glucan in indoor environment cause respiratory tract inflammation?]

R Rylander1, B Fogelmark, B Danielsson

  • 1Göteborgs universitet.

Lakartidningen
|May 2, 1998
PubMed

Insights

High airborne (1-->3)-beta-D-glucan from mould exposure caused severe respiratory symptoms in three children. Improvement after moving suggests mould exposure, not just viable organisms, poses a significant health risk.

Area of Science:

  • Environmental Health
  • Mycology
  • Pediatric Medicine

Background:

  • Mould exposure is linked to respiratory issues.
  • Airborne (1-->3)-beta-D-glucan is a marker of mould presence.

Observation:

  • Three children in a mould-affected home developed severe airway inflammation and general symptoms.
  • Airborne (1-->3)-beta-D-glucan levels were significantly elevated (22-115 ng/m3) compared to normal (few ng/m3).

Findings:

  • Children's symptoms resolved, and medication was discontinued within 2-3 weeks of moving to a new environment.
  • The study observed a direct correlation between high mould exposure and severe respiratory symptoms.

Implications:

  • Quantifying only viable mould organisms may underestimate exposure risks.
  • Elevated airborne (1-->3)-beta-D-glucan indicates a significant health hazard, particularly for children.
  • Environmental interventions are crucial for managing mould-related health conditions.

Related Concept Videos

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...
Inhalation Anthrax01:25

Inhalation Anthrax

Anthrax is a zoonotic disease caused by Bacillus anthracis, a Gram-positive, spore-forming bacterium. It primarily affects herbivorous animals but can be transmitted to humans through skin contact, ingestion, or inhalation of spores.Cutaneous anthrax, the most common form, typically results from direct contact with bacterial spores through skin abrasions and is generally less severe. Gastrointestinal anthrax results from eating undercooked or contaminated meat. It affects the mouth, throat, or...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...