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Occupational exposure to aerosolized pentamidine.

A B Montgomery¹, K J Corkery, E R Brunette

¹Medical Service, San Francisco General Hospital Medical Center.

|August 1, 1990

Summary

Healthcare workers face minimal risk from aerosolized pentamidine exposure. The primary occupational risk is tuberculosis transmission, necessitating enhanced infection control measures.

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Area of Science:

Environmental Health
Occupational Medicine
Pharmacology

Background:

Concerns exist regarding occupational exposure to aerosolized pentamidine.
Potential risks include tuberculosis transmission and adverse drug effects.

Purpose of the Study:

To quantify ambient aerosolized pentamidine concentrations in a healthcare setting.
To assess the occupational exposure risk for healthcare workers.

Main Methods:

Environmental air sampling was conducted in a 36 m3 unventilated treatment room.
Measurements were taken over a four-hour period.

Main Results:

The average concentration of aerosolized pentamidine was 4.5 +/- 3.6 x 10(-5) mg/m3.

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This level is significantly lower than patient therapeutic doses, with few reported long-term adverse effects.

Conclusions:

Occupational exposure to aerosolized pentamidine is minimal.
The primary risk to healthcare workers is tuberculosis transmission from undiagnosed patients.
Implementing tuberculosis control measures, like improved ventilation and masks, is recommended to mitigate both risks.