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Bronchial asthma caused by Lathyrus sativus flour
R Valdivieso1, S Quirce, T Sainz
1Servico de Alergia, Hospital Ramon y Cajal, Madrid, Spain.
Allergy
|October 1, 1988
Summary
Asthma attacks in a child were linked to Lathyrus sativus flour inhalation. Allergy testing confirmed a Type I hypersensitivity reaction to L. sativus antigens.
Area of Science:
- Allergy and Immunology
- Pulmonology
- Food Allergy Research
Background:
- Asthma is a chronic respiratory condition often exacerbated by environmental triggers.
- Occupational or environmental allergies can manifest with respiratory symptoms.
- Lathyrus sativus (grass pea) is a legume with potential allergenic properties.
Observation:
- A 10-year-old child presented with recurrent asthmatic attacks.
- Symptoms were temporally associated with inhalation of Lathyrus sativus flour.
- Standard allergy diagnostic procedures were performed.
Findings:
- Skin prick testing to Lathyrus sativus flour yielded positive results.
- Specific bronchial provocation challenge confirmed airway hyperresponsiveness to the flour.
- Indirect enzyme immunoassay detected specific IgE antibodies against L. sativus antigens.
Implications:
- This case suggests Lathyrus sativus flour can be an allergen causing Type I allergic reactions.
- Identifying specific food or environmental triggers is crucial for managing allergic asthma.
- Further research into Lathyrus sativus allergenicity is warranted.