Cpap vs Bipap – The Difference – You Should Use CPAP Or BIPAP


CPAP stands for Continuous Positive Airway Pressure, BIPAP stands for Bilevel Positive Airway Pressure. Both is very similar in function and design. However, Cpap vs Bipap still have different points. Especially their application for each type of patient.
We will study what is the difference between them. At the same time, let’s see what types of patients will use cpap vs bipap.

Cpap vs Bipap - the difference - You should use CPAP or BIPAP

What is obstructive sleep apnea phenomenon?

When the patient sleeps, the organs will be relaxed to recover. Then your muscles in your throat relax. Depending on each person, the muscles will relax with different levels.
If the Patient’s muscles relax excessively, the muscles in your throat will sag, narrow and block the airways. At that time, the body still has respiratory activity, but the air does not enter the lungs.

That phenomenon is called obstructive sleep apnea. Due to the above reasons, Both machine types deliver pressurized air through a mask to the Patient’s airways.

The air pressure keeps the throat muscles from collapsing and reducing obstructions by acting as a splint.
CPAP vs BiPAP machines allow patients to breathe easily and regularly throughout the night.

What is Cpap? Structure of CPAP

The CPAP is a machine that creates air flow which has continuous positive pressure, CPAP for treating sleep apnea syndrome.
CPAP machines deliver a steady, continuous stream of pressurized air to patient’s airways to prevent them from collapsing and causing apnea events

Structure of CPAP

A CPAP machine usually consists of 4 components:


Main body:

Contains engine and control circuit; they produce gas with continuous positive pressure.

Humidifier:

Contains water box, heating element, sensors; Adjust the temperature and humidity of the air.

Air duct:

Has the effect of leading air to the mask.

Mask:

Make a closed space to guide air into the respiratory tract of patients.

In addition, CPAP has additional components such as: Screen to display information, memory and memory card to store results, filter air inlet, signal transmission ports, etc …

Structure of CPAP

What is the difference between Cpap vs Bipap?

However, CPAP has its own disadvantages. One of the complaints about CPAP devices is that some patients find the constant singular pressure difficult to exhale against.

For patients with higher pressure strengths, exhaling against the incoming air can feel difficult, as if they’re having to force their breathing out.
Therefore, Bipap machine was born to overcome the disadvantages of CPAP.

What is Bipap? Structure of Bipap

A BiPAP machine is a non-invasive form of therapy for patients suffering from sleep apnea. BiPAP machines have two pressure settings: The prescribed pressure for inhalation (ipap), and a lower pressure for exhalation (epap). The dual settings allow the patient to get more air in and out of their lungs.

Structure of Bipap

A BiPAP machine usually consists of 4 components:

Humidifier:

A humidifier that detaches but is small and light enough for travel.

Main body:

A hose swivel connected to a heated tube. Bi-level device, delivering different pressure levels during inhalation and exhalation. Engine and control circuit; they produce gas with pressure.

Air duct:

Has the effect of leading air to the mask.

Mask:

Make a closed space to guide air into the respiratory tract of patients. Mask fit check and resistance control

What is the difference between Cpap vs Bipap

In addition, BiPAP has additional components and functions such as: Different modes make it very versatile for therapy because it can be used as a standard CPAP, Bi-level or Auto.

Mask check feature to identify leaks. Dream Mapper therapy tracker, C-Flex and Bi-Flex functions improve breathing transitions. Make the pressure ranging from 4-25cm H²O.

Integrated Bluetooth® allows for remote data review and troubleshooting. EZ-Start – this automatic, personalized pressure adjustment helps acclimate users to their prescribed pressure.

Advanced event detection. Oximetry capable. Dream Mapper patient self-management system compatibility

What is the difference between Cpap vs Bipap?

CPAP machines can only be set to a single pressure that remains consistent throughout a fixed time. The pressure is fixed at the setting determined after a CPAP titration study.

There are some variations to a fixed pressure CPAP such as an auto adjusting CPAP. However, for patients with higher pressure strengths, exhaling against the incoming air can feel difficult, as if they’re having to force their breathing out.

A BiPAP on the other hand, is a device, which is more technologically advanced and used by those who cannot tolerate a CPAP machine.
The main difference between BiPAP vs CPAP machines is that BiPAP machines have two pressure settings: the prescribed pressure for inhalation (ipap), and a lower pressure for exhalation (epap). The dual settings allow the patient to get more air in and out of their lungs.

Although a BiPAP function is similar to that of a CPAP for inhalation pressure (IPAP), it differs on the exhalation pressure (EPAP).
A BiPAP machine provides a pressure drop to allow for patients to breathe easily and normally.


The EPAP pressure of a BiPAP can reduce to the machines lowest setting of 4cm after an exhale. And It can setup for patients with CPAP pressures of 15cm or higher.

Patients should use BiPAP

If you’ve tried CPAP and find the pressure settings too difficult to manage exhaling against, talk with your doctor and see if a BiPAP machine is right for you.

Usually, BiPAP is used for patients with pressure relief starts at 4 cm and goes up. BiPAP are often used after CPAP has failed to adequately treat certain patients.

BiPAP can be helpful for patients with cardiopulmonary disorders such as congestive heart failure. Often prescribed to people with lung disorders or certain neuromuscular disorders.

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