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Your Environment. Your Health.

Publication Detail

Title: Cockroach counts and house dust allergen concentrations after professional cockroach control and cleaning.

Authors: McConnell, Rob; Jones, Craig; Milam, Joel; Gonzalez, Patty; Berhane, Kiros; Clement, Loran; Richardson, Jean; Hanley-Lopez, Jean; Kwong, Kenneth; Maalouf, Najib; Galvan, Judith; Platts-Mills, Tom

Published In Ann Allergy Asthma Immunol, (2003 Dec)

Abstract: BACKGROUND: It is known that cockroach allergen exposure is both frequent in inner-city homes and associated with asthma severity in children living in those homes. However, there have been few studies of interventions to reduce exposures in this setting. OBJECTIVE: To evaluate the effect of short-term professional cockroach control and intensive cleaning on allergen concentrations. METHODS: Families of children from a school-based asthma treatment program who had skin test results positive to cockroach allergen were enrolled if the home had cockroaches. Forty-nine homes were randomly assigned to receive professional cleaning with bait traps containing insecticide, professional cleaning with bait traps without insecticide, or no cleaning or bait traps. In all homes, dust was collected repeatedly to evaluate cockroach allergen Bla g 2 in the kitchen and bedroom, and cockroaches were trapped and counted repeatedly for more than 11 weeks. RESULTS: Median cockroach counts were reduced in the homes treated with insecticide bait traps but not in other groups. There were significant reductions in allergen concentration in the kitchen in homes that received professional cleaning and had higher initial cockroach counts (54), regardless of whether bait traps had insecticide or not. CONCLUSIONS: We conclude that intensive cleaning can produce significant reductions in cockroach allergen in homes with heavy initial cockroach infestations.

PubMed ID: 14700438 Exiting the NIEHS site

MeSH Terms: Air Pollution, Indoor/adverse effects; Air Pollution, Indoor/analysis; Air Pollution, Indoor/prevention & control; Allergens/adverse effects; Allergens/analysis*; Animals; Asthma/etiology; Asthma/prevention & control; Child; Child Welfare; Cockroaches*; Comparative Study; Female; Follow-Up Studies; Housekeeping; Humans; Los Angeles; Male; Pest Control, Biological*; Poverty Areas; Pyroglyphidae*; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.; Urban Health

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