Clin Exp Otorhinolaryngol.  2017 Jun;10(2):164-167. 10.21053/ceo.2016.01116.

Low Concentration PM10 Had No Effect on Nasal Symptoms and Flow in Allergic Rhinitis Patients

Affiliations
  • 1Department of Otorhinolaryngology-Head and Neck Surgery, Inha University School of Medicine, Incheon, Korea.
  • 2Department of Preventive Medicine, Gachon University College of Medicine, Incheon, Korea.
  • 3Department of Otorhinolaryngology-Head and Neck Surgery, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon, Korea. kst2383@gilhospital.com

Abstract


OBJECTIVES
Since Korea is geographically close to China (the origin site for Asian sand dust [ASD]) the health influence of ASD event will be still greater in Korea. We aimed to evaluate the effect of PM₁₀ (particulate matter with aerodynamic diameter <10 μm, below 150 μg/m³) on the clinical course of allergic rhinitis (AR).
METHODS
We enrolled 47 healthy volunteers (group A) and 108 AR patients sensitized to house dust mites (group B). For 120 consecutive days (from February 1st to May 30th, 2012), all subjects reported their daily nasal symptoms and performed 2 peak flowmeter readings to measure peak nasal inspiratory flow (PNIF). We evaluated the correlation between the daily concentration of PM₁₀, symptoms, and PNIF of patients. We also investigated changes in symptoms and PNIF 2 days before and after "˜dusty' days (daily concentration of PM₁₀>100 μg/m³)
RESULTS
There was no significant difference between group A and B in nasal symptoms and PNIF during the 120-day period. Changes in nasal symptoms and PNIF were not statistically significant before or after a PM₁₀ concentration rise above 100 μg/m³.
CONCLUSION
Low concentration PM10 does not have significant effect on nasal symptoms and PNIF in AR patients.

Keyword

Allergic Rhinitis; Particulate Matter; Mites

MeSH Terms

Asian Continental Ancestry Group
China
Dust
Flowmeters
Healthy Volunteers
Humans
Korea
Mites
Particulate Matter
Pyroglyphidae
Reading
Rhinitis, Allergic*
Dust
Particulate Matter
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