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Related Experiment Videos

Cockroach hypersensitivity in asthmatic patients.

J Pola1, R Valdivieso, C Zapata

  • 1Servicio de Alergia, Hospital Ramon y Cajal, Madrid, Spain.

Allergologia Et Immunopathologia
|March 1, 1988
PubMed
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Cockroach hypersensitivity is a significant factor in perennial asthma and allergic rhinitis. Approximately 15% of asthmatic patients in Madrid show sensitivity to cockroach allergens, indicating a need for clinical consideration.

Area of Science:

  • Allergy and Immunology
  • Environmental Health

Background:

  • Hypersensitivity to cockroach antigen is a known trigger for allergic rhinitis and asthma.
  • Understanding the prevalence of cockroach sensitivity is crucial for managing respiratory allergies.

Purpose of the Study:

  • To determine the frequency of cockroach hypersensitivity among asthmatic atopic subjects in the Madrid area.
  • To assess the correlation between exposure history, skin test results, and specific IgE levels.

Main Methods:

  • Skin prick testing was performed on 150 asthmatic atopic individuals.
  • In vitro assays, including RAST and EIA, were used to detect cockroach-specific IgE antibodies.
  • Patient history regarding cockroach exposure was also recorded.

Main Results:

Related Experiment Videos

  • Positive skin tests for cockroach hypersensitivity were observed in 22 of 61 patients with a history of exposure, and 3 of 89 without.
  • Of 25 patients with positive skin tests, 23 had detectable specific IgE antibodies against Oriental and German cockroaches.
  • Approximately 15% of the studied asthmatic atopic population demonstrated cockroach hypersensitivity.

Conclusions:

  • Cockroach hypersensitivity is prevalent in asthmatic atopic individuals in the Madrid region.
  • Clinical evaluation for cockroach sensitivity should be considered in patients with perennial asthma.
  • These findings highlight the importance of environmental allergen control in asthma management.