Revista alergia Mexico (Tecamachalco, Puebla, Mexico : 1993) · 2009
[Sensitization to pollens of Oleaceae family in a group of patients from Mexico City].
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Morfín-Maciel Blanca María, Flores Iveth, Rosas-Alvarado Alejandro, Bautista Maura, López-López Jorge Roberto
Аннотация
BACKGROUND: In Mexico City, where the Olive trees are scarce, the Oleaceae family has been recognized as one of the most important causes of pollen allergy, possibly related to cross-reactivity with other pollens of the Oleaceae family, as Fraxinus excelsior, Ligustrum vulgaris and Osmanthus americanus.
OBJECTIVE: To know the prevalence of sensitization to the Oleaceae family in Mexico City, cross-reactivity, as well as concurrent sensitizations, and vegetables and fruits associated to oral allergy syndrome (OAS).
PATIENTS AND METHOD: A prospective, longitudinal study was carried out during two months, among patients who attended the outpatient allergy clinic of the General Hospital of Mexico with symptoms suggestive of respiratory allergy. A questionnaire to search OAS was used, and skin Prick tests to pollens were performed.
RESULTS: Among 279 patients, 164 (58.8%) had respiratory allergy and positive skin prick test (SPT) to pollens. Olea europaea had the highest prevalence of SPT reactivity (52.4%), followed by Fraxinus excelsior (43.3%), Ligustrum vulgaris (36.6%) and Osmanthus americanus (15.9%). There were OAS in 53.5%, 50.7%, 50% and 53.8%, respectively, mainly related to peach, apple, kiwi, pear and banana. Olive monosensitization was found in 5.5%.
CONCLUSION: In this study, Olea europaea had the highest prevalence of positive reactivity to pollens in Mexico City, then its sensitization must be determined routinely.
OBJECTIVE: To know the prevalence of sensitization to the Oleaceae family in Mexico City, cross-reactivity, as well as concurrent sensitizations, and vegetables and fruits associated to oral allergy syndrome (OAS).
PATIENTS AND METHOD: A prospective, longitudinal study was carried out during two months, among patients who attended the outpatient allergy clinic of the General Hospital of Mexico with symptoms suggestive of respiratory allergy. A questionnaire to search OAS was used, and skin Prick tests to pollens were performed.
RESULTS: Among 279 patients, 164 (58.8%) had respiratory allergy and positive skin prick test (SPT) to pollens. Olea europaea had the highest prevalence of SPT reactivity (52.4%), followed by Fraxinus excelsior (43.3%), Ligustrum vulgaris (36.6%) and Osmanthus americanus (15.9%). There were OAS in 53.5%, 50.7%, 50% and 53.8%, respectively, mainly related to peach, apple, kiwi, pear and banana. Olive monosensitization was found in 5.5%.
CONCLUSION: In this study, Olea europaea had the highest prevalence of positive reactivity to pollens in Mexico City, then its sensitization must be determined routinely.