Oasys Notifications for Western Red Cedar Dust

The Oasys Audit scheme started midway through 2010 and collects agents typed in through the Oasys program. The years before 2010 show old data entered during 2010 or later and are likely to have many fewer notifications. We expect Oasys to become more widely adopted as time goes by so increasing notifications does not necessarily mean an increasing problem.

Selected References for Western Red Cedar Dust

	Obata H, Dittrick M, Chan H, ChanYeung M, Sputum eosinophils and exhaled nitric oxide during late asthmatic reaction in patients with western red cedar asthma, Eur Respir J, 1999;13:489-495,

	Lin FJ, DimichWard H, ChanYeung M, Longitudinal decline in lung function in patients with occupational asthma due to western red cedar, Occup Environ Med, 1996;53:753-756,

	ChanYeung M, Mechanism of occupational asthma due to western red cedar (Thuja plicata), Am J Industr Med, 1994;25:13-18,

	ChanYeung M, Maclean L, Paggiaro PL, Follow-up study of 232 patients with occupational asthma caused by western red cedar (Thuja plicata), J Allergy Clin Immunol, 1987;79:792-796,

	Vedal S, ChanYeung M, Enarson DA et al, Plicatic Acid-Specific Ige And Nonspecific Bronchial Hyper-responsiveness In Western Red-Cedar Workers, J Allergy Clin Immunol, 1986;78:1103-1109,

	ChanYeung M, Lam S, Koener S, Clinical features and natural history of occupational asthma due to western red Cedar (Thuja plicata), Am J Med, 1982;72:411-415,