Preventive Measures in Mite Asthma

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Abstract
To evaluate the effect of preventive measures 46 patients, all allergic to house-dust mites (Dermatophagoides spp.), were randomly allocated to a study and a control group. According to the patients'' subjective recordings of symptom score and use of medicine, compared with the control group, the study group had improved. There was no improvement when comparing the objective recordings of morning and evening peak flow and use of medicine. The preventive measures in this program apparently were not effective for patients allergic to house-dust mites. The reduction in indoor humidity in the study group was limited and, as a high indoor humidity is the cause of huge populations of house-dust mites in homes, it is emphasized that future programs of preventive measures should focus more on dampness problems, particularly those related to bad housing construction.