Abstract
Background Russian thistle (RT) was identified as a potentially clinically significant allergen in phase three of the NHANES survey with over 15% of tested individuals having positive skin tests. Previously estimated prevalence rates of RT skin positivity in Kingston and surrounding catchment area were ~10%. RT was subsequently added to a standard allergen skin testing panel at Queen’s University’s Allergy clinic.
Highlights
Russian thistle (RT) was identified as a potentially clinically significant allergen in phase three of the NHANES survey with over 15% of tested individuals having positive skin tests
A retrospective chart review documented the rate of sensitization to RT extract (ALK-Abello)
Of the test-positive cohort, 86% (37/43) had concomitant symptoms of allergic rhinitis/asthma. 41% (18/43) had symptoms that correlated with the predominant RT pollen season. 93% and 58% of these persons had concomitant positive skin tests to ragweed and birch; allergens with known cross-reactivity
Summary
Russian thistle (RT) was identified as a potentially clinically significant allergen in phase three of the NHANES survey with over 15% of tested individuals having positive skin tests. Estimated prevalence rates of RT skin positivity in Kingston and surrounding catchment area were ~10%. RT was subsequently added to a standard allergen skin testing panel at Queen’s University’s Allergy clinic
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