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Published on: August 30, 2019
[Aspirin-exacerbated respiratory disease].
1Institut für Pneumologie an der Universität Witten/Herdecke, Klinik für Pneumologie und Allergologie, Zentrum für Schlaf- und Beatmungsmedizin, Krankenhaus Bethanien, Solingen, Germany. randerath@klinik-bethanien.de
Aspirin sensitivity, or Aspirin-Exacerbated Respiratory Disease (AERD), is a metabolic disorder, not an allergy. Aspirin desensitization effectively treats nasal symptoms and can stabilize asthma in affected patients.
Area of Science:
- Immunology
- Pulmonology
- Otolaryngology
Context:
- Aspirin sensitivity, also known as Aspirin-Exacerbated Respiratory Disease (AERD), is a significant comorbidity in patients with nasal polyps, asthma, or urticaria.
- This condition primarily affects adult women, with nasal symptoms often preceding asthma and NSAID intolerance by many years.
- Nasal polyps, a common feature, frequently recur after surgical removal, and the associated asthma is often difficult to manage, necessitating oral steroid treatment.
Purpose:
- To elucidate the underlying mechanisms of aspirin sensitivity, distinguishing it from allergic reactions.
- To highlight the diagnostic standards and therapeutic approaches for AERD.
- To emphasize the metabolic basis of NSAID sensitivity and the role of cysteinyl leukotrienes.
Summary:
- Aspirin sensitivity (AERD) is characterized by chronic rhinosinusitis, nasal polyps, asthma, and acute reactions to NSAIDs, stemming from a metabolic disorder involving leukotriene overexpression, not IgE-mediated allergy.
- Diagnosis relies on provocation testing, as skin tests and specific antibodies are negative.
- Aspirin desensitization is a key therapy, improving nasal symptoms and potentially stabilizing asthma.
Impact:
- Provides a clearer understanding of AERD as a metabolic disorder, guiding diagnostic and therapeutic strategies.
- Highlights the limitations of traditional allergy testing for AERD.
- Establishes aspirin desensitization as a valuable treatment option for improving patient outcomes in AERD.
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