Herbie Murray
Oxygen therapy is a treatment option for those with breathing problems, such as sleep apnea, COPD, and asthma. It involves the use of an oxygen concentrator, a device that delivers pure oxygen into the lungs through a nasal cannula or mask. While oxygen therapy is typically used to treat breathing problems during the day, it can also be used at night to help regulate oxygen levels and improve sleep quality. The use of supplemental oxygen at night is often prescribed by a doctor, who will recommend the best flow settings and determine whether a portable or stationary machine is needed.
| Characteristics | Values |
|---|---|
| Oxygen levels during sleep | Normally between 90% to 100% |
| Low oxygen saturation level | Below 88% |
| Symptoms of low oxygen | Memory loss, loud snoring, restlessness, exhaustion |
| Oxygen concentrator | A machine that stores oxygen and delivers it through a nasal cannula |
| Types of oxygen concentrators | Standard, portable, liquid oxygen tank, compressed oxygen gas tank |
| Precautions for oxygen concentrators | Keep upright, avoid flammable products, keep away from heat sources |
| Oxygen therapy | Used to treat sleep apnea, COPD, lung disease, pneumonia |
| Pulse dose concentrators | Triggered by detecting breath from the nose |
| Continuous-flow oxygen concentrators | Deliver oxygen irrespective of breathing pattern |
| Prescription | Required for oxygen concentrators, includes flow rate and type of flow |
| Portable oxygen concentrators | Can be used at night with prescribed flow rate |
| Respironics SimplyGo | A versatile option for both daytime and nighttime oxygen demand |
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What You'll Learn
Oxygen therapy for sleep apnea
Obstructive sleep apnea (OSA) is a condition that causes oxygen desaturation during pauses in breathing. Oxygen therapy is sometimes used to treat OSA, but it is not usually a first-line treatment. Instead, continuous positive airway pressure (CPAP) therapy is the treatment of choice and is widely prescribed. CPAP machines deliver a steady stream of pressurised air through a mask that seals at the nostrils, over the nose, or over the mouth and nose. The pressurised air helps to prevent airway collapse during sleep.
Oxygen therapy can be used as an alternative treatment for patients with OSA who have not responded to or are non-compliant with CPAP therapy. Supplemental oxygen can be delivered through a mask or with prongs (nasal cannula) that sit in the nostrils. Oxygen concentrators take the air we breathe, remove nitrogen, and deliver 85% to 95% pure oxygen to the user. Portable oxygen concentrators can be used at night if you adjust the setting to a prescribed flow rate from your doctor.
There is controversy over whether supplemental oxygen benefits people with OSA but otherwise normal respiratory function. Some studies suggest that oxygen can help certain people due to a measure of stability in the mechanics of breathing called "loop gain", which tends to be high in people with OSA. There is also evidence that oxygen can help people with high loop gain but less intense pharyngeal features. However, oxygen therapy may lengthen apnea duration, thus accelerating CO2 retention.
If you are concerned about your breathing during sleep, speak with a board-certified sleep specialist. A formal sleep study may be the first step toward optimising your health and well-being.
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Continuous Positive Airway Pressure (CPAP) therapy
CPAP machines are typically prescribed by a healthcare provider to treat sleep-related breathing disorders, including sleep apnea. The machine uses mild air pressure to maintain open airways while the patient sleeps. The pressure settings can be adjusted by a healthcare provider to ensure comfort and effectiveness. CPAP machines can be connected to an oxygen concentrator to provide supplementary oxygen if needed, which is often the case for older patients with pulmonary diseases.
CPAP therapy is intended to be used consistently, every night, and during naps and travel. It may take time to get used to the machine, and patients are advised to be patient and work with their healthcare provider to find the most comfortable mask and settings. The machine's humidifier chamber, pressure settings, and multiple pressure options may require adjustment by a healthcare provider.
CPAP machines can significantly improve sleep quality and reduce the risk of associated health issues, such as heart disease and stroke. However, there are alternative treatments for sleep apnea, including oral appliance therapy, positional therapy, weight management, and surgery.
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Using a pulse dose unit for nighttime
The use of a pulse dose unit for oxygen therapy during sleep depends on multiple factors. Pulse dose units are generally smaller and lighter than continuous flow systems, making them more convenient for travel, errands, and everyday activities outside the home. They are ideal for those who are active and mobile. Pulse dose oxygen concentrators are more sophisticated and are more sensitive, utilising an oxygen conserver and other technology to deliver oxygen to the patient based on their breathing rate and other factors. The sensor detects when the patient begins inhaling and delivers the oxygen pulse at that moment.
However, it is important to note that continuous flow is generally recommended for people who require oxygen during sleep. This is because pulse dose systems may not detect shallow nighttime breathing. Continuous flow is also required for people who use oxygen with a CPAP or BiPAP machine, as these machines interfere with the inhalation sensor of pulse dose concentrators. Pulse dose concentrators are lightweight, portable, and energy-efficient, but they may not be suitable for users who need oxygen during sleep or those with very high oxygen requirements.
If you are considering using a pulse dose unit for nighttime oxygen therapy, it is important to consult with your doctor to determine if this is the best option for your individual needs. Your doctor will take into account factors such as your activity level, oxygen requirements, and breathing patterns to make an informed recommendation.
- Ensure that your batteries are fully charged prior to bedtime, especially if you plan to use the machine without an external power source. This will minimise any interruptions or the need for battery changes during sleep.
- For machines with multiple delivery methods, double-check that you are using the prescribed delivery mode and dosage before falling asleep.
- Keep the intake and exhaust vents clear of any bedding and maintain a distance of at least 12 inches from the wall or other furnishings.
- Avoid using flammable products, including paint thinners and cleaning solutions, near the pulse dose unit.
- Always keep the unit in an upright position.
- Do not smoke or allow others to smoke near the unit.
- Keep the unit away from heat sources and open flames.
- Avoid using products containing oil, petroleum, or grease, including topical ointments.
- Always have a fire extinguisher within reach.
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Oxygen concentrator safety precautions
Oxygen concentrators are devices that deliver pure oxygen into the lungs through a nasal cannula attached to a machine that stores oxygen. They are used to treat various medical conditions, such as asthma, sleep apnea, obesity, heart diseases, lung disease, pneumonia, pulmonary fibrosis, congenital heart disease, and emphysema.
Fire Hazards
Oxygen is a safe gas and is non-flammable, but it supports combustion. Materials burn more easily in an oxygen-rich environment. Keep the oxygen concentrator at least 5 feet away from any sources of heat or flame, including gas stoves, candles, bonfires, and cigarettes. Post "No Smoking" and "No Open Flames" signs in and outside your home to remind people not to smoke near the oxygen concentrator. If you intend to smoke, turn off the oxygen concentrator, remove your cannula, and move to a different room. Avoid using flammable products, including paint thinners and cleaning solutions, near the oxygen concentrator.
Electrical Precautions
Do not use an extension cord with the concentrator. Plug the concentrator into a grounded electrical outlet, and do not share the outlet with other appliances. Keep the oxygen concentrator away from walls, curtains, or furniture, and ensure that room air can freely flow into the unit.
Maintenance and Storage
Regularly inspect the oxygen concentrator filter and report any concerns to the vendor. Keep the oxygen tank in an upright position, and do not allow it to get wet or exposed to moist air. Store oxygen in a well-ventilated space, not in an enclosed area like a closet or trunk.
Other Precautions
Avoid using petroleum-based or alcohol-based products while using oxygen therapy. Do not place anything on top of the concentrator, and ensure that the intake vents are not blocked by clothing or other objects. If you are using oxygen while sleeping, consider using 100% cotton bedding, which is less likely to cause static electricity.
It is important to consult with a healthcare professional to determine the appropriate flow rate and type of oxygen concentrator for your specific needs. They may recommend oxygen saturation monitoring during daily activities to ensure you are receiving the correct amount of oxygen.
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Oxygen therapy for Chronic Obstructive Pulmonary Disease (COPD)
Oxygen therapy is a common treatment for Chronic Obstructive Pulmonary Disease (COPD), a long-term lung condition. COPD patients experience breathlessness due to damaged or destroyed air sacs in their lungs, inflamed airway walls, or excess mucus clogging their airways. While there is no cure for COPD, oxygen therapy can help manage symptoms and improve quality of life.
Oxygen therapy provides supplemental oxygen to COPD patients, ensuring their bodies receive the oxygen they need to function properly. This therapy can be administered through various devices, including oxygen concentrators, nasal cannulas, and portable oxygen cylinders. The specific device and treatment plan should be determined by a healthcare professional based on individual needs.
Oxygen therapy can be used during sleep for COPD patients with nocturnal oxygen desaturation (NOD). Sleep quality is often poor in patients with COPD, and oxygen therapy can help address this issue. However, the effects of nocturnal supplemental oxygen therapy are still not fully understood, with conflicting results from studies. Some patients may experience side effects such as morning headaches, nosebleeds, and skin irritation from the facemask or nasal cannula.
In addition to oxygen therapy, sleep apnea machines and assisted coughing devices are also used to manage COPD. Sleep apnea is a common comorbidity with COPD, and the use of continuous positive airway pressure (CPAP) or bilevel positive airway pressure (BiPAP) machines can help improve sleep quality and overall oxygenation. Assisted coughing devices, such as mechanical insufflators-exsufflators (MI-E) or oscillatory positive expiratory pressure (OPEP) devices, aid in clearing airways by improving coughing effectiveness.
It is important to consult with a healthcare professional to determine the most suitable breathing apparatus and receive proper guidance on their usage. Oxygen therapy should be used as prescribed, and patients should be cautious of potential fire hazards when using oxygen tanks near open flames or in confined spaces.
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Frequently asked questions
Yes, some portable oxygen concentrators can be used at night if you adjust the setting to a prescribed flow rate from your doctor.
If you are feeling exhausted in the morning or throughout the day, it could be a sign that you are not getting enough oxygen while sleeping. Other signs include memory loss, loud snoring, and restlessness during sleep.
It is important to keep the oxygen concentrator at least 5 feet away from heat sources and open flames. Never smoke or use flammable products near the concentrator. Always keep the oxygen tank in an upright position and ensure the intake and exhaust vents are clear of any bedding.
Oxygen concentrators can help regulate oxygen levels, providing supplemental oxygen to ensure a peaceful and healthy rest. This can be especially beneficial for those with respiratory conditions such as asthma, COPD, or sleep apnea, who may experience lower oxygen levels during sleep.
It is important to consult with a healthcare professional to determine if you need an oxygen concentrator. They may recommend oxygen saturation monitoring or an overnight sleep study to assess your specific needs and adjust the therapy accordingly.
