Yonsei Med J.  1999 Jun;40(3):238-243. 10.3349/ymj.1999.40.3.238.

Environmental controls in reducing house dust mites and nasal symptoms in patients with allergic rhinitis

  • 1College of Nursing, Catholic University, Seoul, Korea. siege@cmc.cuk.ac.kr
  • 2Department of Nursing, Pusan Catholic University, Pusan, Korea.


A randomized comparison group pretest-posttest experimental design was used to quantitatively determine the effects of environmental control measures on patients with allergic rhinitis. Environmental controls included wrapping the mattress with a vinyl cover, washing the top bedding cover with 55 degrees C hot water every two weeks, removal of soft furniture, and wet cleaning of the bedroom floor every day. Thirty subjects were randomly assigned to experimental and control groups. The amount of house dust mites in dust samples collected from the bedroom floor, bedding and mattress, as well as the nasal symptoms of patients, were measured twice at one-month intervals. A significant decrease in house dust mites in dust samples and relief in patients' nasal symptoms were observed in the experimental group who had environmental controls.


Environmental control; allergic rhinitis; house dust mites; nasal symptoms
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