The BiPAP machines or Bi-level PAP are breathing devices, similar with CPAP, that uses bilevel positive airway pressure to treat patients with central and obstructive apnea.
Bilevel positive airway pressure means that the machine delivers air under higher pressure as the sleeper inhales, and switches to a lower pressure during exhalation to make it easier to breathe out.
This video explains the BiPAP machines in detail:
Click on each link to learn more info about description and prices:
The Bi PAP machine was invented for people who have difficulty exhaling against the pressure of CPAP, or having respiratory failure (see the next video), and make the treatment more tolerable.
If a CPAP user cannot tolerate the machine due to extremely high pressures required to keep the airway open at night, the BPAP machine is the alternative. The patient will receive a lower pressure on exhaling, so the breathing will be more comfortable and effective.
This video is a little technically detailed, but is simple enough to understand the differences between Bi-PAP vs CPAP:
You'll mostly need a BiPAP machine in the following situations:
In the near future, Bi-pap machines will be considered the standard treatment for sleep apnea, considering all the superior benefits compared with CPAP:
In some cases, central apneas may occur with titration of BPAP. The cause is not certain, but is probably due to increased lung volume when the air for inspiration (IPAP) is significantly higher than the air used for expiration (EPAP).
Another disadvantage is the cost of the Bi-PAP machines, which is higher than a regular CPAP machine. To rent a BiPAP unit you need to pay about $350 per month, and if you want to buy the unit, the cost is about $3000.
The other side effects from using the Bi-PAP machine are similar to the CPAP machine in terms of:
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