[Origin and distribution of seasonal allergies. A primary care view].
OBJECTIVE
To describe the seasonal allergy distribution and its relation with grass pollen in environment.


METHODS
Ecological and descriptive study. SITE. Primary care centre in townshipe Coslada (Madrid). PATIENTS OR OTHER PARTICIPANT: People who are attended because of seasonal allergy from 20th April to 14th June in 1990 and 1991, of the total people covered by a primary care team.


RESULTS
No differences were found in relation to sex. 5-19 age group cumulated 66.1 and 61.2% of the episodes in 1990 and 1991 respectively. 36.2 and 31% (1990-1991) described respiratory difficulties and 21.5 and 18.8% respiratory wheezings. 82.7 and 88.4% of patients asserted that the symptoms repeated annually. Patients who related known allergy, 91.8 and 98.3% attributed their problems to grass pollen. Correlations of r = 0.5207 (p < 0.001) in 1990 and r = 0.4978 (p < 0.01) in 1991 between grass pollen the day before and the notification date were found.


CONCLUSIONS
We found the highest care assistance in the infant-juvenile age group, the same as an important number of cases with asthmatic symptomatology. We seen a moderate relationship between the episodes notification date and grass pollen in the environment.
Galán Labaca
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I
Centro Municipal de Promoción de Salud, Coslada, Madrid.
Criado Navarrete
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L
D000293:Adolescent; D000328:Adult; D000485:Allergens; D002648:Child; D002675:Child, Preschool; D004777:Environment; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D006109:Poaceae; D011058:Pollen; D011320:Primary Health Care; D006255:Rhinitis, Allergic, Seasonal / Q000453:epidemiology*; D013030:Spain / Q000453:epidemiology
D000485:Allergens
Origen y distribución de la alergia estacional. Una visión desde la atención primaria.