Two of the most popular and effective treatments for breathing disorders such as sleep apnea are CPAP (continuous positive airway pressure) and BiPAP (bilevel positive airway pressure).
As a leader in the management of sleep apnea and other breathing disorders, we help many people affected by these disorders. And often, they don’t understand the difference between CPAP and BiPAP.
Says Robert Miller, Apria Healthcare Vice President of Sleep Business, “It is important for you to understand the similarities and differences between CPAP and BiPAP in order to achieve the best clinical results and long-term adherence.”
First and foremost, both therapies can help improve the quantity and quality of your sleep—and, as a result, your overall well-being.
Each keeps your airways open as you sleep to ensure your body is supplied with the oxygen it needs for optimal function. And both reduce your risk for a number of health issues, such as diabetes, heart disease, and stroke.
For both CPAP and BiPAP, you wear a mask that fits comfortably over your nose or mouth as you sleep. The mask is connected to a machine by your bed that delivers pressurized air to keep your airways open to ensure normal breathing and better sleep.
Both CPAP and BiPAP are non-invasive therapies, meaning they don’t require surgery or the cutting of skin. Both also differ from mechanical ventilators, where a tube is inserted in your throat to help you breathe when you can’t on your own.
Both CPAP and BiPAP require a prescription from your doctor. To confirm if you have a sleep disorder such as sleep apnea, your doctor will prescribe a sleep study.
CPAP and BiPAP machines are available for home use and travel.
Basically, how they deliver pressurized air.
CPAP delivers a constant flow of air at one pressure setting during both inhalation and exhalation to keep airways open. This prevents pauses in breathing as you sleep, a primary symptom of sleep apnea.
CPAP machines offer an adjustable pressure setting that delivers between 4 to 20 cm H2O (which stands for centimeters of water pressure). For most people, the average setting is between 8 to 10 cm H2O.
CPAP is the most extensively studied and prescribed therapy for sleep apnea, with more than 8 million users in the United States.
CPAP machines maintain the same pressure while you inhale and exhale. Some people find the constant single pressure uncomfortable to breathe, especially when they exhale.
For this reason, BiPAP devices are a valuable alternative. BiPAP delivers air at two alternating levels: a higher pressure for when you inhale, and a lower pressure for when you exhale. Because BiPAP uses two pressures, for some patients it is more like natural breathing, which many people with sleep apnea find more comfortable.
BiPAP machines have a typical pressure range of 4 to 30 cm H2O.
CPAP is often prescribed for:
BiPAP is often prescribed for:
Regularly using a CPAP or BiPAP machine can help:
Both CPAP and BiPAP deliver pressurized air and require the use of a mask, which may cause the following:
Your doctor can help you resolve these issues to ensure your CPAP or BiPAP therapy is as comfortable as possible.
BiPAP machines are more expensive than CPAP machines because of their increased complexity. Both CPAP and BiPAP are generally covered by most health insurance plans, including Medicare and Medicaid. Your specific insurance company and/or medical provider can answer your questions about payment for this treatment.
Apria’s Robert Miller concludes, “Both CPAP and BiPAP are therapies that have been proven in use with millions of people being treated for sleep disordered breathing. But depending on the severity of your sleep apnea and if you have any underlying conditions, it’s always important to consult with your doctor.”
It’s the best way to ensure you get the device you need to help you get the sleep you need.
References
1. Summer, J. (Updated 2023, August 9). BiPAP vs CPAP. Sleep Foundation. https://www.sleepfoundation.org/cpap/cpap-vs-bipap.
2. (Updated 2023, May 10). BiPAP. Cleveland Clinic. https://my.clevelandclinic.org/health/treatments/24970-bipap.
3. (Updated 2021, November 9). CPAP Machine. Cleveland Clinic. https://my.clevelandclinic.org/health/treatments/22043-cpap-machine.
4. (Updated 2022, March 24,) CPAP. National Heart, Lung, and Blood Institute. https://www.nhlbi.nih.gov/health/cpap#:~:text=CPAP%20(continuous%20positive%20airway%20pressure,infants%20who%20have%2
underdeveloped%20lungs.
5. Cherney, K. (Updated 2022, March 30). Differences Between CPAP, APAP, and BiPAP as Obstructive Sleep Apnea Therapies. Healthline. https://www.healthline.com/health/apap-vs-cpap.
6. SimpleNursing Editorial Team. (2023, March 20). BiPAP vs CPAP Therapy: What’s the Difference? SimpleNursing. https://simplenursing.com/bipap-vs-cpap/#:~:text=The%20main%20difference%20between%20BIPAP,pressure%20throughout%20the%20breathing%20cycle.
7. Llamas, M. (Updated 2023, August 4). CPAP vs. BiPAP. Drugwatch. https://www.drugwatch.com/philips-cpap/cpap-vs-bipap/.
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