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Occup Med (Lond). 2009 Aug;59(5):357-9. doi: 10.1093/occmed/kqp080. Epub 2009 May 29.

Occupational asthma due to exposure to chengal wood dust.

Author information

1
Occupational Safety and Health Division, Ministry of Manpower, Block C, Kim Seng Road, Singapore 239436, Singapore. Lay_Tin_LEE@ttsh.com.sg

Abstract

BACKGROUND:

Chengal is a resistant rainforest hardwood that is commonly used in South-East Asia for the construction of boats, bridges, house structures and furniture. It contains oligostilbenoids, phenolics, quinones and resins.

AIMS:

To describe a case of occupational asthma (OA) related to chengal wood dust.

METHODS:

The patient was evaluated clinically for asthma in relation to occupational history, serial peak flow monitoring and specific inhalation challenge (SIC) test.

RESULTS:

Peak flow monitoring showed significant deterioration during exposure to chengal wood dust at work. SIC test resulted in an isolated immediate asthmatic reaction.

CONCLUSIONS:

Exposure to chengal wood dust can lead to OA and possibly rhinitis. The underlying mechanism should be investigated.

PMID:
19482884
DOI:
10.1093/occmed/kqp080
[Indexed for MEDLINE]

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