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I’m often asked the question, “What’s the difference between an automated CPAP machine and a regular CPAP machine?”, so in this post I’ll lay out to explain the primary differences.

First I’ll say that I’ve always wondered the reasons people in the industry have a tendency to call an automatic CPAP machine something besides what it is – an automatic CPAP machine. You will often hear people call these sorts of machines APAP machines or Auto-PAP machines. I think this is a result of a misunderstanding in the acronym CPAP. CPAP means Continuous Positive Airway Pressure, indicating that air pressure will be delivered continuously through the entire sleeping cycle. The phrase CPAP, however, doesn’t mean that the continuously delivered air will be in a constant pressure. Therefore, the proper term to use for 睡眠測試 which automatically adjusts the stress setting in accordance with your requirements is automatic CPAP machine.

A CPAP machine was created to blow air using your partially obstructed airway in order to get rid of the obstruction and to enable you to breathe normally. What many people call “regular” CPAP machines do that by blowing air at a constant pressure through the entire night, no matter whether you’re experiencing an apnea – or cessation of breathing – or otherwise.

An automatic CPAP machine fails to utilize a constant pressure. Rather, the device is made to sense your breathing through the use of a pressure feedback device. If the machine senses you are breathing well, the delivered pressure will likely be lower. On the contrary, if the machine senses you’re not breathing well – which is, in the event it senses an apnea, hypopnea or snoring – the delivered pressure will be higher.

As most people who have obstructive sleep apnea breathe normally for around some area of the night, it makes sense that a constant pressure is normally unnecessary for effective CPAP therapy. Automatic CPAP machines deliver approximately 40% less pressure throughout the course of an evening compared with a CPAP machine which delivers a constant pressure. This reduced pressure helps you to increase patient comfort and compliance and makes CPAP therapy more tolerable for new CPAP users.

In case your prescribed pressure setting is fairly low – under 10 cm H2O – the main benefit from a computerized CPAP machine may not be the reduced average pressure, however it may simply be which you don’t have to worry about adjusting your pressure setting later on. An automatic CPAP machine virtually guarantees you will be getting optimal CPAP therapy irrespective of modifications in your problem.

Just like most CPAP machines, automatic CPAP machines are made to deliver air pressure between 4 cm H2O and 20 cm H2O. During the initial setup in the machine the minimum and maximum pressures will likely be set. Usually default setting of 4 cm H2O since the minimum pressure and 20 cm H2O since the maximum pressure is used. However, should your prescribed pressure setting is well above 10 cm H2O then enhancing the minimum pressure may make sense. I would almost always recommend utilizing the default minimum and maximum pressure settings as these settings will permit for the maximum average pressure reduction and also the highest amount of patient comfort.

Yet another excellent advantage of automatic CPAP machines is the fact they’re really two machines in one. You receive a CPAP machine which adjusts pressure automatically, and you obtain a machine which may be set to offer a continuing pressure like a regular CPAP machine. This flexibility in functionality is appealing to many CPAP users, especially to those who are using CPAP equipment for the first time.

There are two types of apnea – central and obstructive. Central sleep apnea occurs because of a dysfunction in the thalamus area of the brain, while obstructive obstructive sleep apnea occurs due to an obstructed airway. CPAP machines are made to open the airway for patients that suffer from obstructive sleep apnea, but CPAP machines will have no influence on pazbvl obstructive sleep apnea. Some automatic CPAP machines such as the Puritan Bennett 420E can detect apneas which occur with and without cardiac osciallations to prevent increasing the pressure during central apnea events in which the airway is already open. Similarly, advanced 呼吸機 can also differentiate between central and obstructive hypopnea (which is described as shallow breathing).

Below is actually a breakdown of the benefits of utilizing an automatic CPAP machine:

Approximately 40% overall decrease in delivered pressure

No need to concern yourself with adjusting a continuing pressure as your condition changes

Flexibility – the machine may be set to automatic mode or constant mode

Some automatic machines detect the difference between obstructive apneas/hypopneas and central apneas/hypopneas.

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