Indoor air quality, dust mite allergens and asthma

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Abstract

This controlled trial evaluated allergen and water vapour control measures on the level of house dust mite (HDM) Der pI allergen and indoor absolute humidity, concurrently with changes in lung function measured by am/pm peak flow and questionnaire indices of clinical well being in 54 subjects who completed the protocol. Allergen control involved protein denaturing by steam cleaning and exposure was minimised by mattress encapsulation using microweave envelopes. Mechanical heat recovery ventilation units (MHRV) increased air change rates and lowered internal water vapour pressures during the winter months. Mean Der pI reservoirs in carpets and beds were reduced by over 94% and 86%, while the MHRV units reduced water vapour pressures in the active group by an average of 12%. Lung function measurement and health questionnaire data confirmed a significant clinical improvement in the active group compared with the control .
Original languageEnglish
Title of host publicationProceedings of indoor air 2002
Subtitle of host publication9th international conference on indoor air quality and climate
Pages113-118
Number of pages5
Volume1
Publication statusPublished - 2002
EventIndoor Air 2002 - Monterey, California, United States
Duration: 1 Jun 2002 → …

Conference

ConferenceIndoor Air 2002
Country/TerritoryUnited States
CityMonterey, California
Period1/06/02 → …

Keywords

  • indoor
  • air quality
  • dust mite
  • allergens
  • asthma

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