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Eastern pine sensitivity in New England.

J N Kalliel1, G A Settipane

  • 1Division of Allergy, RI Hospital, Providence, RI.

New England and Regional Allergy Proceedings
|May 1, 1988
PubMed
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Eastern White Pine pollen can cause seasonal allergic rhinitis (SAR) in New England. This study found 10% of patients with spring SAR had a positive skin test to pine pollen, with some showing a positive nasal challenge.

Area of Science:

  • Allergy and Immunology
  • Environmental Health

Background:

  • Seasonal allergic rhinitis (SAR) affects many individuals, particularly in regions with abundant pollen.
  • Identifying specific pollen triggers is crucial for effective allergy management.

Purpose of the Study:

  • To determine the frequency of clinical sensitivity to Eastern White Pine pollen in patients with allergic rhinitis.
  • To assess the diagnostic accuracy of skin testing and nasal challenges for pine pollen allergy.

Main Methods:

  • 100 patients with SAR or PAR underwent skin prick testing with pine pollen extract and other allergens.
  • Positive skin test responders were challenged intranasally with increasing pine pollen extract concentrations in a double-blind, placebo-controlled manner.
  • Nasal airflow was measured using rhinometry before and after challenges.

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Main Results:

  • Six patients (6%) had a positive skin test to pine pollen extract.
  • Of those with positive skin tests, 2 out of 4 had a positive nasal challenge.
  • The incidence of positive skin tests to pine pollen in patients with spring SAR was 10% (6/61).

Conclusions:

  • Eastern White Pine pollen is a potential cause of spring SAR in the New England area.
  • Skin testing and nasal challenges can identify sensitivity to pine pollen.
  • Further research may be warranted to understand the prevalence and impact of pine pollen allergy.