Abstract

RODRIGUEZ, Olimpio et al. Skin test with allergen extracts from pollens and relation to clinical signs of allergic rhinitis and bronchial asthma in Camagüey, Cuba . Vaccimonitor [online]. 2013, vol.22, n.2, pp.9-13. ISSN 1025-028X.

Although different types of pollens affect mucosal surfaces to trigger allergic sensitization, there are not enough studies on these allergens in Cuba. The objective of our research was to elucidate the behavior of Ambrosía psilostachya, Amaranthus leucocarpus, Helianthus annuus, Rumex acetosella, Lolium perenne, Cupressus lindley y Cocos nucifera. An analytical-observational study was conducted at the Allergy Service of the Previsora Clinic, Camagüey. The sample consisted of 529 patients with Rhinitis or Asthma and a positive skin test to mites, fungi and pollens. Forty percent of the sample showed sensitivity to pollens after a nasal challenge test. The cases were compared according to symptoms severity and wheal diameter: 3, 4 and 5 mm. The age groups with the highest degree of sensitization were 6-12 and 19-44 years of age, respectively. There were no significant differences of sensitization to pollens according to sex. Ambrosia y Lolium showed the highest percentages of skin response with wheals of 3 mm in 49.98% and 40.09%, respectively. However no significant differences were detected. The 89.6% of sensitized patients react clinically to nasal challenge test. Wheels of 3 mm were predominant in asymptomatic subjects while wheels of 5 mm in serious ones. Pollens were the most important cause of allergic sensitization. There was relation between skin and nasal challenge tests. The wheel diameter of skin response to the prick test was correlated to the severity of clinical symptoms

Keywords : pollens; rhinitis; asthma; Prick Test.

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