What is my CPAP Treatment Pressure?
After a patient has been diagnosed with Obstructive Sleep Apnea (OSA), the next step is to determine the Treatment Pressure required to help keep the airway open during sleep.
This 'CPAP Titration' can be done in two different ways;
A Sleep Technician performs an attended (overnight) polysomnography (PSG) sleep study together with a CPAP Machine and CPAP Mask.
During sleep, positive airway pressure is adjusted throughout the recording period to determine the optimal pressure for maintaining the best possible unobstructed upper airway performance.
2. For 1 or 2 weeks using an Auto CPAP (APAP) Machine at home.
During sleep, the Auto CPAP Machine will adjust the pressure automatically between a minimum and maximum pressure to help keep the airway open during sleep.
The sleep data is recorded via an SD card, USB stick or cloud reporting and then reviewed by a Sleep Technician.
Either way, the optimal pressure for maintaining the best possible unobstructed upper airway performance will be determined.
Once this titrated CPAP treatment pressure is known, it will be referred to as either the P90, P95 or the patient's Treatment Pressure.
In most cases, the Treatment Pressure will be between 4cmH20 and 20cmH20.
Last updated: 30th May 2022
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