Hnizdo E, Esterhuizen TM, Occupational Asthma As Identified By The Surveillance Of Work-Related And Occupational Respiratory Diseases Programme In South Africa, Clin Exp Allergy, 2001;31:32-39,

BOHRF Original Authors' Main Conclusions

The original authors' main conclusions are taken from Abstract, Results and Discussion. They are decided upon by the authors of the BOHRF occupational asthma guidelines and form part of the guidelines.

Describes the objectives and programme of the nationwide Surveillance of Work-related and Occupational Respiratory Diseases in South Africa scheme (SORDSA). Summarises results obtained for the reporting of occupational asthma in South Africa in the first two years of SORDSA's establishment, ending in October 1998. 225 cases of occupational asthma (6.9%). Concludes that the results from the initial phase show that despite some limitations, SORDSA has the potential to obtain useful data on the industries, agents and occupations causing occupational asthma in this country.

BOHRF Associated Evidence Statements

The BOHRF occupational asthma guidelines state that this reference is associated with the following evidence statements

*** 2++ The risk of sensitisation and occupational asthma is increased by higher exposures to many workplace agents.

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