Altitude and house dust mites

Vervloët, D.; Penaud, A.; Razzouk, H; Senft, M.; Arnaud, A.; Boutin, C; Charpin, J

doi:10.1016/s0091-6749(82)80006-7

Cited by 165 publications

(80 citation statements)

References 35 publications

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“…When humidity is inferior to 50%, mites dry out and die (326). This is why they are practically nonexistent above 1 800 m in European mountains (327,328) where the air is dry, whereas they are abundant in tropical mountain areas (329,330).…”

Section: Allergen Exposurementioning

confidence: 99%

Allergic Rhinitis and its Impact on Asthma (ARIA) 2008*

Bousquet¹,

Khaltaev²,

Cruz³

et al. 2008

Allergy

3,867

1,761

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Section: Allergen Exposurementioning

confidence: 99%

Allergic Rhinitis and its Impact on Asthma (ARIA) 2008*

Bousquet¹,

Khaltaev²,

Cruz³

et al. 2008

Allergy

3,867

1,761

View full text Add to dashboard Cite

“…As discussed further below, the burden of house-dust mites, important allergens in asthmatic patients, decreases with increasing altitude [5,6]. Other aspects of air quality, however, might actually worsen with increasing elevation.…”

Section: Environmental Changes At High Altitude That May Affect Pulmomentioning

confidence: 98%

“…As a result of hypoxia, lower humidity and other climatic changes, the number of house-dust mites decreases with increasing altitude [5,6]. This lower mite burden has been shown to decrease peripheral blood T-lymphocyte activation, eosinophil counts [107], house-dust mite-specific immunoglobulin E [108] and markers of eosinophil activation [109,110].…”

Section: Allergen Burdenmentioning

confidence: 99%

Travel to high altitude with pre-existing lung disease

Luks

Swenson²

2007

Eur Respir J

107

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The pathophysiology of high-altitude illnesses has been well studied in normal individuals, but little is known about the risks of high-altitude travel in patients with pre-existing lung disease. Although it would seem self-evident that any patient with lung disease might not do well at high altitude, the type and severity of disease will determine the likelihood of difficulty in a high-altitude environment. The present review examines whether these individuals are at risk of developing one of the main forms of acute or chronic high-altitude illness and whether the underlying lung disease itself will get worse at high elevations. Several groups of pulmonary disorders are considered, including obstructive, restrictive, vascular, control of ventilation, pleural and neuromuscular diseases. Attempts will be made to classify the risks faced by each of these groups at high altitude and to provide recommendations regarding evaluation prior to high-altitude travel, advice for or against taking such excursions, and effective prophylactic measures.

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“…25 Other similar studies assessed changes of environment in which patients were moved to high altitude places where mite levels were low; in these cases, sensitized patients also improved. [26][27][28] A recent prospective study analyzed environment care measures for children at risk since birth, and demonstrated that there was no difference in sensitization to air allergens between the cared group and controls (in which no environmental measures were undertaken); there was, however, a difference in lung function between groups at age 3 years. 38 Studies that aimed to decrease allergen exposure in households reached conflicting results.…”

Section: Discussionmentioning

confidence: 99%

“…Various published papers had shown that there are variable responses to allergen control measures; the study design and the response assessments, however, varied among these papers, which has generated controversies among physicians. [17][18][19][20][21][22][23][24][25][26][27][28] The purpose of this paper was to discuss the difficulty of controlling allergen exposure and to review various studies in different environments within which individuals spend their days.…”

Section: Introductionmentioning

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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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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Altitude and house dust mites

Cited by 165 publications

References 35 publications

Allergic Rhinitis and its Impact on Asthma (ARIA) 2008*

Allergic Rhinitis and its Impact on Asthma (ARIA) 2008*

Travel to high altitude with pre-existing lung disease

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

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