Sensitization to aeroallergens among patients with allergic rhinitis in a desert environment

Dowaisan, A.; Al-Ali, S.; Khan, M.; Hijazi, Zienet; Thomson, M.S.; Ezeamuzie, I. C.

doi:10.1016/s1081-1206(10)62277-6

Cited by 30 publications

(26 citation statements)

References 18 publications

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“…Again, outdoor pollen sensitization was very high at 87.1%, and the three most common sensitizing pollens were Chenopodium (70.7%), Bermuda grass (62.9%) and Prosopis (62.7%). Similar results were obtained when a group of patients with AR only were studied [15]. The results of the above studies concur with our result that outdoor pollens, especially Chenopodium , are the most important sensitizing agents for respiratory allergies in Kuwait.…”

Section: Discussionsupporting

confidence: 91%

The Seasonal Variation in Allergic Rhinitis and Its Correlation with Outdoor Allergens in Kuwait

Behbehani¹,

Arifhodžić²,

Al-Mousawi³

et al. 2004

Int Arch Allergy Immunol

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Background: Allergic rhinitis (AR) is the most common allergic problem in Kuwait. Most of the patients who have either AR or asthma are referred to the Al-Rashed Allergy Center. Objective: To determine if there is a seasonal variation in AR in Kuwait and to correlate it with the daily pollen count. Methods: Information about the new patients referred to the center over a 5-year study period (1996–2000) was extracted from the center’s records. The daily pollen count in Kuwait city was obtained from the Air Biology Laboratory. Results: There was a significant seasonal variation with a bimodal increase in the number of patients with AR referred to the center. The main peak in the number of patients occurred in September–October, and there was a smaller peak in April–May. The mean number ± SD of new patients per month over the 5-year period varied from 87 ± 32 for December to 367 ± 104 for September. Similarly, the average daily pollen count varied from 3.7 ± 1.0 pollens per mm³ in January to 124 ± 92 in October. There was high correlation between the number of new AR patients and the average total pollen count (Pearson correlation, r = 0.77, p < 0.001), as well as with Chenopodiaceae and Amaranthaceae (weed) pollens (r = 0.75, p < 0.001), while there was no correlation between the number of new patients and either tree or grass pollens. Conclusion: Seasonal AR occurs during two periods in Kuwait, i.e. September–October and April–May, with September–October being the main season. The rise in AR during late summer in Kuwait is mainly associated with the pollination of Chenopodiaceae species.

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Section: Discussionsupporting

confidence: 91%

The Seasonal Variation in Allergic Rhinitis and Its Correlation with Outdoor Allergens in Kuwait

Behbehani¹,

Arifhodžić²,

Al-Mousawi³

et al. 2004

Int Arch Allergy Immunol

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“…Because they can also be found in Saudi Arabia and Kuwait, with an incidence of 64% among allergic patients, Chenopodium album represents the main sensitizing agent in Kuwait, with prevalence values exceeding even those for grass and tree pollens, cockroach, dust mite, and molds [37]. Che a 1, the major allergen of goosefoot pollen, recognized by more than 77% of allergic patients, was purified and characterized [38].…”

Section: Chenopodiummentioning

confidence: 99%

Biology of weed pollen allergens

Gadermaier

Dedic

Obermeyer

et al. 2004

Curr Allergy Asthma Rep

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Weeds represent a heterogeneous group of plants, usually defined by no commercial or aesthetic value. Important allergenic weeds belong to the plant families Asteraceae, Amaranthaceae, Urticaceae, Euphorbiaceae, and Plantaginaceae. Major allergens from ragweed, mugwort, feverfew, pellitory, goosefoot, Russian thistle, plantain, and Mercurialis pollen have been characterized to varying degrees. Four major families of proteins seem to be the major cause of allergic reactions to weed pollen: the ragweed Amb a 1 family of pectate lyases; the defensin-like Art v 1 family from mugwort, feverfew, and probably also from sunflower; the Ole e 1-like allergens Pla l 1 from plantain and Che a 1 from goosefoot; and the nonspecific lipid transfer proteins Par j 1 and Par j 2 from pellitory. As described for other pollens, weed pollen also contains the panallergens profilin and calcium-binding proteins, which are responsible for extensive cross-reactivity among pollen-sensitized patients.

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“…Airborne fungal allergenic spores have been implicated as one of cause of allergic respiratory diseases in our region and neighbour countries (2,6,7). Molds are ubiquitous in our environment and are common allergens in allergic diseases.…”

Section: Introductionmentioning

confidence: 99%

Prevalence of Fungal Allergens in Respiratory Allergic Patients in Ahvaz City, Southwest Iran

Shakurnia

Assarehzadegan

Amini³

et al. 2013

Jundishapur J Microbiol

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Background: Fungi are ubiquitous in our environment and they are one of the important causes of allergic diseases. Identification of the most common aeroallergens to which patients are sensitized in a specific area is important in the diagnosis and treatment of allergic rhinitis. Objectives: The purpose of this study was to determine the prevalence of skin reactivity to common fungal allergens and total IgE in patients with allergic rhinitis in Ahvaz city. Patients and Methods:In this cross sectional study, 295 volunteers with the signs and symptoms of allergic diseases who referred to the Khuzestan Jahad Daneshgahi Medical Center in Ahvaz during 2010 were investigated. All patients were subjected to skin prick test (SPT) with common allergenic extracts. Data were analyzed by SPSS-18 software using Chi square test. Results: Seventy subjects, comprising 23.7% of the study group had positive skin test to at least one of the fungal allergens. The prevalence rate of sensitivity to fungal allergens was as follow: Cephalosporin 11.5%; mold mix 9.8%; Penicillium mix 9.5%; Alternaria mix 8.1%; and Aspergillus 5.1%. Mean total IgE in patients with SPT was significantly higher than in patients without any positive skin prick test (251 vs. 125 IU/mL, P = 0.001). There was no statistical difference in the prevalence of sensitization to these allergens between two sexes; whereas, 15-35 age groups had significantly higher rates of allergy to fungal allergens (P = 0.047). Conclusions: Fungal sensitization is a relatively common finding among patients with allergic rhinitis. Elimination or reduction of mold exposure in allergic patients is of special consideration and measures to reduce environmental factors which facilitate mold growth and proliferation are very important.

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Sensitization to aeroallergens among patients with allergic rhinitis in a desert environment

Cited by 30 publications

References 18 publications

The Seasonal Variation in Allergic Rhinitis and Its Correlation with Outdoor Allergens in Kuwait

The Seasonal Variation in Allergic Rhinitis and Its Correlation with Outdoor Allergens in Kuwait

Biology of weed pollen allergens

Prevalence of Fungal Allergens in Respiratory Allergic Patients in Ahvaz City, Southwest Iran

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