What question did this study set out to answer?

This evaluation aims to determine the bacterial output concentration from three different humidifying devices.

Bacterial Output from Three Respiratory Therapy Humidifying Devices

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Evaluation of bacterial output from three humidifying devices, highlighting risks for hospitalized patients.

This evaluation aims to determine the bacterial output concentration from three different humidifying devices.
Evaluated three humidifying devices used in respiratory therapy.
Seeded reservoirs with Pseudomonas cepacia at approximately 104/ml.
Used Anderson six-stage bacterial sampler to measure bacterial output.
The nebulizer produced over 1000 colonies of Pseudomonas cepacia during a 3-minute sampling.
Both evaporative devices showed virtually no viable organisms in the output gas.

Vesley et al. (1979) studied this question.

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