2013, Number 2
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VacciMonitor 2013; 22 (2)
Skin test with allergen extracts from pollens and relation to clinical signs of allergic rhinitis and bronchial asthma in Camagüey, Cuba
Rodríguez O, Célio R, Aboukhair F, Laurrabaquio AM, Tinoco IO, Cuevas HU, Cruz SMÁ, Cruz MMÁ, Reyes MC
Language: Spanish
References: 20
Page: 9-13
PDF size: 133.86 Kb.
ABSTRACT
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.
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