Herbie Murray
ResMed's myAir app is a progress-tracking app for CPAP users that provides a daily report for each therapy session. The report includes a total myAir score, which is calculated based on four factors: usage hours, apnea events, mask leaks, and mask removals. Apnea events, or sleep events, refer to the number of breathing events, or apneas and hypopneas, experienced each hour. A hypopnea is a partial blockage of the airway that lasts for 10 seconds or longer, while an apnea is when air stops flowing to the lungs for at least 10 seconds, resulting in the cessation of breathing.
| Characteristics | Values |
|---|---|
| Events Per Hour | Refers to the number of times per hour a person's airway was either completely or partially blocked |
| Apnea-Hypopnea Index (AHI) | An index used to indicate the severity of sleep apnea; represented by the number of apnea events per hour of sleep |
| Apnea | Air stops flowing to the lungs for 10 seconds or longer |
| Hypopnea | A partial blockage of the airway that lasts for 10 seconds or longer |
| Maximum Points | 70 points for 7+ hours of therapy |
| Points for Air Leaks | 20 points for a leak rate of under 17 L/min |
| Points for Usage | 10 points for every hour of therapy |
| Points for Mask Removals | 5 points for removing the mask one or two times |
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Events per hour
"Events per hour" on a ResMed report refers to the number of breathing events, also known as apneas and hypopneas, that occur each hour. An apnea is when air stops flowing to the lungs for 10 seconds or longer, resulting in the cessation of breathing. On the other hand, a hypopnea is a partial blockage of the airway that lasts for at least 10 seconds. These breathing events are measured by a CPAP machine, which records the number of occurrences per hour.
The Events per Hour metric is crucial in assessing the effectiveness of your treatment. The higher your myAir score, the better your treatment is working. You gain points for using your therapy for longer durations, with 10 points for 1 hour of usage and 23 points for 2.3 hours. Additionally, the fewer breathing events you experience per hour, the more points you receive. For minimal events, you can earn 4 to 5 points.
The apnea-hypopnea index (AHI) is another term for the number of breathing events per hour. A healthy individual without sleep apnea typically has no more than 5 events per hour. If you have mild, moderate, or severe sleep apnea, your treatment goal may be to lower your AHI score to a healthier level through CPAP therapy and lifestyle changes.
To access your Sleep Report, go to your home menu and scroll down to 'Sleep Report' using the dial. Once you enter, you will find information such as Usage Hours, Events per Hour, Mask Seal, and Humidifier status. The Events per Hour section will detail how many times per hour your airway was either completely or partially blocked.
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Apnea-Hypopnea Index (AHI)
AHI is calculated by adding the total number of apneas and hypopneas during sleep and dividing that number by the total sleep time. Apneas are periods when a person stops breathing, and hypopneas are instances where the airflow is blocked, causing shallow breathing. For an event to be registered as apnea or hypopnea, it must last at least 10 seconds or longer and be associated with a decrease in blood oxygenation. AHI is typically calculated during a sleep study or polysomnogram, which monitors brain waves, blood oxygen levels, heart rate, and breathing while the patient sleeps.
A normal AHI is less than 5 events per hour, while mild sleep apnea is classified as an AHI of 5 to 14 events per hour. Moderate sleep apnea is an AHI of 15 to 29 events per hour, and severe sleep apnea is an AHI of 30 or more events per hour. The AHI score is a valuable tool for healthcare professionals in diagnosing and determining the severity of OSA and guiding treatment decisions.
The AHI is also known as "events per hour" on ResMed sleep reports. These reports can be accessed through the AirSense 10 device, which provides data on usage hours, mask seal, and humidifier function, in addition to the AHI score. While the AHI is a useful metric, it does not consider all factors that may indicate the severity of OSA. Other measures, such as the Respiratory Disturbance Index (RDI), which includes respiratory effort-related arousals (RERAs), can also be used to assess breathing disruptions during sleep.
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Usage hours
"Usage hours" refers to the amount of time your Continuous Positive Airway Pressure (CPAP) machine was turned on throughout the evening. The usage hours are calculated based on the number of hours and minutes of therapy usage. For instance, if you use your therapy for 1 hour, you get 10 points, and for 2.3 hours (2 hours and 18 minutes), you get 23 points.
The usage hours are reflected in your sleep report, which can be accessed by going to the home menu on your device and scrolling down to 'Sleep Report'. The sleep report provides detailed data on your usage hours, events per hour, mask seal, and humidifier status.
It is important to note that the usage hours may not always be accurately reflected in the sleep report. In some cases, the device may indicate that it was not used on a particular night, even though the user knows they used it. This could be due to various factors, such as incorrect date and time settings on the device or technical glitches.
To address these issues, it is recommended to contact ResMed or authorised distributors for assistance. They can provide guidance on device settings, data availability, and any potential technical issues affecting the accuracy of the usage hours and overall sleep report.
Additionally, the sleep report may include information on the number of days the CPAP machine has been used over the last month, the average usage, and the total number of usage hours. This detailed data can help users and healthcare providers monitor therapy adherence and effectiveness.
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Mask seal
A sleep report generated by ResMed's AirSense 10 device provides information on the user's sleep quality and CPAP machine usage. One of the metrics included in the report is "Mask Seal," which indicates how well the mask fit during sleep. A good mask seal is essential to ensure that the CPAP therapy is effective and that the user receives the prescribed air pressure.
The "Mask Seal" section of the ResMed sleep report provides information on the fit and seal of the mask during the previous night's sleep. It helps users identify any issues with the mask seal, such as leaks or an improper fit. A proper mask seal is critical to the effectiveness of CPAP therapy as it ensures that the pressurized air delivered by the machine reaches the user's airway without significant leaks.
A well-sealed mask ensures that the prescribed air pressure is maintained, allowing for effective treatment of sleep apnea or other respiratory conditions. Leaks or gaps in the mask seal can reduce the effectiveness of the therapy and may cause discomfort or skin irritation. Therefore, it is important for users to pay attention to the "Mask Seal" section of their sleep report and address any issues promptly.
The ResMed sleep report may use icons, such as a sad face, to indicate a problem with the mask seal. If a user consistently sees a sad face next to the "Mask Seal" indicator, it suggests that there may be an issue with the mask type, size, or fitting. In such cases, users are advised to contact their place of purchase or ResMed support for assistance in finding a more suitable mask option.
To improve mask seal, users can consider the following:
- Ensure the mask is properly adjusted and fits securely on the face.
- Explore different mask types, such as full-face masks or nasal pillows, to find the most comfortable and effective option.
- If facial hair is a concern, consider trimming or styling it to improve the mask seal.
- Regularly inspect the mask for wear and tear, replacing it as needed to maintain a good seal.
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Humidifier
A CPAP humidifier helps users avoid dry mouth, nose, and throat, as well as a runny nose, chapped lips, sinus-type headaches, and nose bleeds. When we breathe naturally, our noses act as humidifiers, warming up the air we breathe to our body's temperature. This is important because air that is too cold can damage the delicate tissues of our upper airway and lungs, and may even wake us up.
Air delivered during therapy may overwhelm the body's ability to add heat and moisture, which can lead to a sore, dry throat, nasal congestion, or a runny nose. Heated humidification has been shown to help minimize these side effects, making therapy a more comfortable experience.
ResMed's AirSense™ 10 and AirCurve™ 10 machines come with an attached CPAP humidifier. You can remove it if you want and insert a cap on that end of your machine. The Sleep Report option on your AirSense™ 10 or AirCurve™ 10 device will indicate that your humidifier is working properly with a smiley face icon. The Climate Control Auto settings provide the best protection against rain-out, an uncomfortable condition in which humidified air cools too quickly and condenses in your mask, becoming water droplets that dampen your face. However, some nights it helps to have more control over your humidification to meet your individual needs. That's why ResMed includes Climate Control Manual mode in your AirSense™ 10, AirCurve™ 10, or S9™ CPAP/VPAP machine – so long as you also have a ClimateLine™ or ClimateLineAir™ heated tube.
If you want more humidity, try manually adjusting the settings one notch at a time. If you reach the highest levels and still feel dry, talk to your equipment supplier and doctor about whether a mask leak, oral medications, or other factors may be the real cause of your dryness.
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Frequently asked questions
A sleep event, or breathing event, refers to apneas and hypopneas. Apneas are pauses in breathing that last for at least 10 seconds, while hypopneas are partial blockages of the airway lasting 10 seconds or more.
If you have a ResMed AirSense 10, AirCurve 10, or AirSense 11, you can access your sleep report through the myAir app. You can download this app on your smart device via the Apple App Store or Google Play Store.
The sleep report includes Usage Hours, Events Per Hour, Mask Seal, and Humidifier status. Usage Hours refer to the time your CPAP machine was turned on. Events Per Hour indicate the number of breathing events or airway blockages per hour. Mask Seal shows how well your mask fit, and Humidifier indicates normal function.
The myAir app provides a daily report for each therapy session, including a total myAir score and the four factors contributing to that score. The report also includes weekly, monthly, and yearly data.
A score of 70 or above is considered good, and 100 is a perfect score. The score is based on usage hours, air leaks, sleep apnea events, and mask removals. The more hours of usage and the fewer leaks, events, and removals, the higher your score.
