Poster Presentations: Wednesday, October 26, 2011 |

Wood Dust as a Cause of Asthma in Woodworkers FREE TO VIEW

Nikolaos Tatsis, MD; Fotini Babatsikou, MD; Dimitrios Korogiannos, MB; Eugenios Metaxas, MD; Marios Kougias, MD; George Tatsis, PhD
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Evagelismos Hospital, Athens, Greece

Chest. 2011;140(4_MeetingAbstracts):672A. doi:10.1378/chest.1112256
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PURPOSE: The purpose of this study was to get an overview of wood workers sensitization in different kinds of wood.

METHODS: We have examined 59 workers,aged 47-53 years,non-smokers,suspected, according their medical history from general practitioners, to have suffered from wood-dust asthma.Serological tests for several kinds of wood and skin prick tests were performed.Data describing occupational lung disease and allergical diagnostics were used.

RESULTS: In all workers the skin prick tests were negative.In 7 workers IgE antibodies against mahagoni,abachi and limba (kinds of wood) were found.These results were confirmed by IgE-inhibition tests and a cross-reactivity of the IgE-antibodies against limba and abachi allergens was positive detectable.In 3 of the 7 positive workers an inhalation challenge test with limba and abachi extracts was performed (voluntarily)and they developed rhinitis as a asthmatic reaction.

CONCLUSIONS: Our results revealed that in most cases of suspected clinical wood dust asthma a IgE mediated hypersensitivity was not proven.

CLINICAL IMPLICATIONS: There is a need for a wood extraction preparation , sui-table for skin prick tests and IgE analysis.

DISCLOSURE: The following authors have nothing to disclose: Nikolaos Tatsis, Fotini Babatsikou, Dimitrios Korogiannos, Eugenios Metaxas, Marios Kougias, George Tatsis

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