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Original Article
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Volume 337:8-14 July 3, 1997 Number 1
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Use of Inhaled Corticosteroids and the Risk of Cataracts
Robert G. Cumming, M.B., B.S., Ph.D., Paul Mitchell, M.D., and Stephen R. Leeder, M.B., B.S., Ph.D.

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ABSTRACT

Background The use of systemic corticosteroids is a risk factor for the development of posterior subcapsular cataracts, but the association between inhaled corticosteroids and cataracts is uncertain.

Methods We conducted a population-based, cross-sectional study of vision and common eye diseases in an urban area of the Blue Mountains, near Sydney, Australia. We recruited 3654 people 49 to 97 years of age; the participation rate was 82 percent. We collected information by questionnaire on potential risk factors for cataracts, including the current or prior use of inhaled corticosteroids (beclomethasone or budesonide). Photographs of the subjects' lenses were graded, without information on the subjects, to determine the presence and severity of cortical, nuclear, and posterior subcapsular cataracts.

Results Three hundred seventy subjects reported using inhaled corticosteroids, 164 currently and 206 previously. Among these subjects, after adjustment for age and sex, there was a higher prevalence of nuclear cataracts (relative prevalence, 1.5; 95 percent confidence interval, 1.2 to 1.9) and posterior subcapsular cataracts (relative prevalence, 1.9; 95 percent confidence interval, 1.3 to 2.8) than among the subjects with no inhaled-corticosteroid use, but the prevalence of cortical cataracts was not significantly higher (relative prevalence, 1.1; 95 percent confidence interval, 0.9 to 1.3). Higher cumulative lifetime doses of beclomethasone were associated with higher risks of posterior subcapsular cataracts (P for trend <0.001); the highest prevalence (27 percent) was found in subjects whose lifetime dose was over 2000 mg (relative prevalence, 5.5). Adjusting for the use of systemic corticosteroids and other potential confounders had little effect on the magnitude of the associations. The associations with posterior subcapsular cataracts, but not those with nuclear cataracts, were less marked when the analyses were restricted to subjects who had never used systemic corticosteroids.

Conclusions The use of inhaled corticosteroids is associated with the development of posterior subcapsular and nuclear cataracts.


Source Information

From the Departments of Public Health and Community Medicine (R.G.C., S.R.L.) and Ophthalmology (P.M.), University of Sydney, and Westmead Hospital (P.M.) — both in Sydney, Australia.

Address reprint requests to Dr. Cumming at the Department of Public Health and Community Medicine, Bldg. A27, University of Sydney, Sydney, NSW 2006, Australia.

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Related Letters:

Inhaled Corticosteroids and the Risk of Cataracts
Whitmore S. E., Leiner S., Corcoran T. R., Bai T. R., Garbe E., Suissa S., Cumming R. G., Mitchell P., Leeder S. R.
Extract | Full Text  
N Engl J Med 1997; 337:1554-1555, Nov 20, 1997. Correspondence

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