2. Delivery Devices: Advantages and Disadvantages
Home oxygen therapy may be delivered by the following methods: compressed gas, liquid oxygen, and oxygen concentrators. Each of these methods has advantages and disadvantages. The newest modality, portable oxygen concentrators (POC), offers smaller, less intrusive options for LTOT but have limitations that are often overlooked. Additionally, this chapter will cover the effect of CMS policy on the availability of liquid oxygen (LOX).