Occupational Asthma Reference
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Choudat D, Villette C, Dessanges JF, Combalot MF, Fabries JF, Lockhart A, Dall'Ava J, Conso F,
Occupational asthma caused by buckwheat flour,
Rev Mal Respir,
1997;14:319-321,
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Keywords: Paris, oa, buckwheat, IgE, Skin Tests, challenge, food, asthma, flour
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Abstract
Buckwheat flour, mainly used for pancakes, may induce asthma following inhalation and anaphylactic reactions following ingestion. These allergic reactions are mediated by specific IgE and may be confirmed by skin test and radio-allergo-sorbent test. The occupational asthma of a patient working in pancake restaurant was confirmed by specific challenge test with a computerised device to generate particles. A very small amount of buckwheat flour (10 micrograms) induced an immediate fall of the FEV1 to 56% of the initial value. No bronchial reaction was observed with lactose nor with wheat flour. Specific bronchial challenge identifies the allergen responsible for asthma, measures the level of sensitization and thus can prevent the occupational exposure
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