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Q. Is it possible for a patient to catch an infection from a humidifier?
A. The environment in the heated humidifier chamber under most operating conditions is such that the majority of pathogens are rapidly killed.
Even if pathogens were able to exist in the humidification chamber, they would not be able to be transported to the patient. The humidity travels from the chamber in vapor form, which is too small for a bacteria or virus to travel in.
Q. Will treatment with nasal steroids prevent nasal symptoms from occurring?
A. Nasal steroids assist in the prevention of allergy induced histamine reactions in the nasal airway.
They do not alter the clinical nasal response to cold dry air (10). Heated humidifiers heat and humidify the air so that airways can be maintained under optimum conditions and are not adversely affected by the increased flows of CPAP therapy.
Q. How can the sleep lab maximize patient comfort and minimize nasal symptoms during titration?
A. Using heated humidity will maximize patient comfort and minimize nasal symptoms during titration. Heated humidity can easily be used during titration by including a heated humidifier in-line with the titration system.
Q. Do patients who live in a very humid environment still need a heated humidifier for CPAP system?
A. Often people who live in a humid environment will have air conditioning systems and dehumidifiers operating, so the air which is passing through their CPAP system is cold and dry. This causes an increase in the occurrence of nasal symptoms and may result in patient discomfort.
Even in a humid environment, the nasal airways are unable to provide sufficient humidity to humidify the increased airflow of CPAP therapy. This results in the nasal mucosa being stripped of the moisture required to humidify the air.
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