Κυριακή 16 Φεβρουαρίου 2020

Efficacy of indoor air purification in the treatment of Artemisia pollen allergic rhinitis: a randomized, double‐blind, clinical controlled trial

Efficacy of indoor air purification in the treatment of Artemisia pollen allergic rhinitis: a randomized, double‐blind, clinical controlled trial:

Abstract

Objectives

To evaluate the clinical efficacy of a high‐efficiency air purifier in patients with allergic rhinitis.

Design

We conducted a randomized, double‐blind, clinical controlled trial with active and inactive versions of an air purifier. Our study included patients with allergic rhinitis who were sensitive to Artemisia pollen and treatment of the indoor environment using air filtration at night. We evaluated the clinical efficacy of indoor air filtration during the Artemisia pollen scattering season in Yulin City in Shangxi Province, China.

Setting

The First Hospital of Yulin. (Yulin City, Shanxi Province, China).

Participants

A total of 90 patients with allergic rhinitis who were sensitive to allergens of Artemisia pollen were randomly assigned to one of two groups in equal numbers.

Main outcome measures

The primary outcome measure was the difference in visual analog scale scores from baseline. Secondary outcomes were changes from baseline in nasal symptoms, allergy symptom scores, responses to the Rhinoconjunctivitis Quality of Life Questionnaire, Epworth Sleepiness Scale scores, and tolerability scores for the air purifier.

Results

Based on the allergy symptom score, we found significant differences in rhinitis symptoms between the groups who used the active versus the inactive air purifier.

Conclusions

The results of our investigation demonstrated the health benefits of particle filtration.

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