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Ocular hazards of nebulized bronchodilators
K M Mulpeter1, J B Walsh, M O'Connor
1Mercer's Institute for Research on Ageing, St James's Hospital, Dublin, Ireland.
Postgraduate Medical Journal
|February 1, 1992
Summary
Nebulized bronchodilators can cause acute glaucoma by dilating pupils. This report details three cases and suggests preventative measures for this serious side effect.
Area of Science:
- Ophthalmology
- Pulmonology
- Pharmacology
Background:
- Nebulized bronchodilators are commonly used for respiratory conditions.
- Pupillary dilation is a known anticholinergic effect.
- Acute glaucoma is an ophthalmic emergency.
Observation:
- Three patients developed acute glaucoma following nebulized bronchodilator use.
- Pupillary dilatation was a consistent feature preceding glaucoma onset.
- Underlying respiratory conditions necessitated bronchodilator therapy.
Findings:
- Nebulized bronchodilators can precipitate acute angle-closure glaucoma.
- The mechanism involves anticholinergic-induced pupillary dilatation.
- Risk factors and specific patient populations may be identified.
Implications:
- Ophthalmologists and pulmonologists should be aware of this potential drug interaction.
- Screening for glaucoma risk factors in patients using nebulized bronchodilators is recommended.
- Developing safer bronchodilator formulations or administration methods could mitigate risk.