Mite and pet allergen exposure in hotels in Uberlândia, Midwestern Brazil

Simplício, E. C.; Silva, D. A. O.; Braga, Iolanda Alves; Sopelete, Mônica Camargo; Sung, Sun‐Sang J.; Taketomi, Ernesto Akio

doi:10.1111/j.1600-0668.2006.00470.x

Cited by 11 publications

(10 citation statements)

References 23 publications

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“…Mean concentrations were: Der f 1 -11.3 μg/g dust, Der p 1 -0.15 μg/g dust, Can f 1 -0.3 μg/g dust and Fel d 1 -0.11 μg/g dust. 31 In Goiania, studies analyzed the surfaces of sofas and floors in five movie theaters. The mean concentrations were: Dep p 1 -0.35 μg/g dust; Der f 1 -6.85 μg/g dust; Can f 1 -0.65 μg/g dust; and Fel d -10.07 μg/g dust.…”

Section: Resultsmentioning

confidence: 99%

“…Sampling included 124 houses, 5 movie theater rooms, 20 hotels, 60 private vehicles, 120 interstate passenger buses, 60 taxis and 60 school children transport vans. [29][30][31][32][33][34][35][36] After obtaining approval from participants, dust samples were collected in each site by a portable aspirator onto which a paper filter had been adapted to retain the dust. Dust was then placed in a plastic bag and identified; storage was at 4°C before allergens were extracted.…”

Section: Methodsmentioning

confidence: 99%

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Diversidade da exposição alergênica: implicações na obtenção da eficácia do controle ambiental

Segundo

Sopelete

Terra³

et al. 2009

Rev. Bras. Otorrinolaringol.

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The prevalence of allergic diseases such as asthma, rhinitis, allergic conjunctivitis and atopic dermatitis has increased in the last decades. The relationship between allergen exposure, atopic sensitization and development of allergic diseases is widely described in the literature. Aim: To evaluate measures for reducing allergen exposure as part of the treatment of allergic diseases. Methods: An analysis was made of previous studies on allergen exposure done with a similar methodology in the central region of Brazil; the study included homes, hotels, cinemas, cars, taxis, buses and scholar transportation. Results: High levels of Der p 1 and Der f 1 mite allergens were found in a large proportion of the sample in most of the environments included in those studies; there were higher levels of pet allergens in cars and school transportation vehicles. Conclusion: The diversity of allergen exposure demonstrates the need for education about allergic diseases for patients and their families, as well as measures of reducing allergens in homes. This should be part of a global strategy of the management of allergic diseases, given that individuals live in society, not only in their houses.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Diversidade da exposição alergênica: implicações na obtenção da eficácia do controle ambiental

Segundo

Sopelete

Terra³

et al. 2009

Rev. Bras. Otorrinolaringol.

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“…Allergen load of mites collected above from the dust samples were found directly proportional to the severity of allergic attack in some of the typical cases. Simplício et al [33] reported Dermatophagoides farinae (Der f1) as major allergens in bedding dust samples and stated that Der f1 represents an important risk factor for exacerbation of allergic symptoms in previously mite-sensitized guests. …”

Section: Discussionmentioning

confidence: 99%

Dust Mites Population in Indoor Houses of Suspected Allergic Patients of South Assam, India

2011

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Background. In the present study, quality and quantity of indoor dust mites was evaluated at the residence of 150 atopic allergic patients from four different districts of South Assam. Methods. Suspected patients with case history of allergic disease were selected for indoor survey. Dust samples (500 mg) were collected from the selected patient's house and were analyzed using standard methods. Results. About 60% of the selected patients were found suffering from respiratory disorders and rest 40% from skin allergy. The dominant mites recorded from indoor dust samples were Dermatophagoides followed by Blomia, Acarus, and Cheyletus while Caloglyphus was recorded in least number. The distribution of mites on the basis of housing pattern indicates that RCC type of buildings supports maximum dust mite's population followed by Assam type (semi-RCC) buildings, and the lowest count was observed in wooden houses. Environmental factors like temperature, rainfall, and relative humidity are found to determine the indoor mite's population. Severity of allergic attack in some of the typical cases was found to be proportional to the allergen load of mites in the dust samples. Conclusions. The economic status, housing pattern, and local environmental factors determine the diversity and abundance of dust mites in indoor environment.

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“…Preventive action should also involve control of dust mite population at work through the use of fi breless furnishing, proper building maintenance, ventilation, heating, and regular cleaning (16,(46)(47)(48). These measures should be strictly implemented, particularly in hotel rooms, fi shing boat cabins, or submarines with beds (24,31,38,39).…”

Section: Assessment Of Occupational Exposure To House Dust Mitesmentioning

confidence: 99%

Pyroglyphid Mites as a Source of Work-Related Allergens

Macan¹,

Kanceljak-Macan²,

Milković-Kraus³

2012

Archives of Industrial Hygiene and Toxicology

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Pyroglyphid mites are primarily associated with allergen exposure at home; hence the name house dust mites. However, we have found numerous studies reporting pyroglyhid mite levels in public and occupational settings. This review presents the fi ndings of house dust mite allergens (family Pyroglyphidae, species Dermatophagoides) as potential work-related risk factors and proposes occupations at risk of house dust mite-related diseases. Pyroglyphid mites or their allergens are found in various workplaces, but clinically relevant exposures have been observed in hotels, cinemas, schools, day-care centres, libraries, public transportation (buses, trains, taxies, and airplanes), fi shing-boats, submarines, poultry farms, and churches. Here we propose a classifi cation of occupational risk as low (occasional exposure to mite allergen levels up to 2 μg g -1 ), moderate (exposure between 2 μg g -1 and 10 μg g -1 ), and high (exposure >10 μg g -1 ). The classifi cation of risk should include factors relevant for indoor mite population (climate, building characteristics, and cleaning schedule). To avoid development or aggravation of allergies associated with exposure to house dust mites at work, occupational physicians should assess exposure risk at work, propose proper protection, provide vocational guidance to persons at risk and conduct pre-employment and periodic examinations to diagnose new allergy cases. Protection at work should aim to control dust mite levels at work. Measures may include proper interior design and regular cleaning and building maintenance.

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Mite and pet allergen exposure in hotels in Uberlândia, Midwestern Brazil

Cited by 11 publications

References 23 publications

Diversidade da exposição alergênica: implicações na obtenção da eficácia do controle ambiental

Diversidade da exposição alergênica: implicações na obtenção da eficácia do controle ambiental

Dust Mites Population in Indoor Houses of Suspected Allergic Patients of South Assam, India

Pyroglyphid Mites as a Source of Work-Related Allergens

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