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Titolo: Reducing relative humidity is a practical way to control dust mites and their allergens in homes in temperate climates
Autore: Arlian, LG; Neal, JS; Morgan, MS; Vyszenski-Moher, DL; Rapp, CM; Alexander, AK;
- Indirizzi:
- Wright State Univ, Dept Biol Sci, Dayton, OH 45435 USA Wright State Univ Dayton OH USA 45435 Dept Biol Sci, Dayton, OH 45435 USA
- Titolo Testata:
- JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY
fascicolo: 1,
volume: 107,
anno: 2001,
pagine: 99 - 104
- SICI:
- 0091-6749(200101)107:1<99:RRHIAP>2.0.ZU;2-1
- Fonte:
- ISI
- Lingua:
- ENG
- Soggetto:
- DERMATOPHAGOIDES-FARINAE ACARI; MECHANICAL VENTILATION; WATER-BALANCE; HOUSE; PYROGLYPHIDAE; AIR; PTERONYSSINUS; REDUCTION; PREVALENCE; EFFICACY;
- Keywords:
- house dust mites; relative humidity; dehumidification; allergen; Der p 1; Der f 1; dermatophagoides species;
- Tipo documento:
- Article
- Natura:
- Periodico
- Settore Disciplinare:
- Clinical Medicine
- Life Sciences
- Citazioni:
- 32
- Recensione:
- Indirizzi per estratti:
- Indirizzo: Arlian, LG Wright State Univ, Dept Biol Sci, Dayton, OH 45435 USA Wright State Univ Dayton OH USA 45435 ci, Dayton, OH 45435 USA
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- Citazione:
- L.G. Arlian et al., "Reducing relative humidity is a practical way to control dust mites and their allergens in homes in temperate climates", J ALLERG CL, 107(1), 2001, pp. 99-104
Abstract
Background: Maintaining a relative humidity [RH) of less than 50% is one recommendation fur reducing numbers of house dust mites and their allergens in homes,Objective: The purpose of this study was to determine whether, in a humid temperate climate, indoor RH could be sufficiently lowered to control dust mites and their allergens. Methods: During a period spanning 2 humid summers (May 1998 to October 1999), dust mite and allergen densities were determined in 3 groups of homes. One group (low RH group, n = 23) maintained an RN of less than 51%, Most ofthese homes used a high-efficiency dehumidifier and air conditioning. A second group of homes (group A) used air conditioning only (n = 19) or air conditioning and dehumidification (n = 5) but did not maintain an RH of less than 51%, A third group of homes (group C, n = 24) controlled climate by opening windows and had an RH of greater than 51%. Normal housecleaning was maintained in all homes during the study,Results: The low RH group homes started in June with a mean +/- SE of 401 /- 124 live mites and 17 +/- 3 mug of total Der 1 allergen per gram of dust. After 17 months of maintaining an RH of less than 51%, these declined significantly to 8 +/- 3 live mites per gram LP =.004) and 4 +/- 1 mug of Der1 per gram of dust (P <.001). In contrast, group A and C homes exhibited seasonal peaks of 500 to 1000 mites and 40 to 70 <mu>g of Der 1 per gram of dust At all time points after the baseline sample, the low RH group homes had significantly less (P <.001) allergen than the group A and C homes, After 17 months, allergen levels were more than 10 Limes lo,Per in low Rfi homes compared with humid homes,Conclusion: This study showed that it is practical to maintain an indoor RH of less than 51% during the humid summer season in a temperate climate, and this resulted in significant reductions in mite and allergen levels.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/01/21 alle ore 07:47:17