3 - Add the chopped onion, and simmer approximately 1 - 2 minutes, until onion is translucent. 4 - Add the sofrito. 5 - Simmer until the sofrito starts to thicken-this could take up to 3 to 10 minutes, depending upon the heat of the stove, and whether your sofrito is at room temperature, or still slightly frozen.
Long-term home oxygen therapy is the only non-surgical therapy. proven to extend life of COPD patients. Home oxygen for COPD costs $1.8 billion a year or less than 1% of all. Medicare expenditures but 40% of all Medicare expenditures for. respiratory therapy and home medical equipment. One full year of home oxygen costs Medicare about the same as one day.
An at-home oxygen concentrator costs between $550 and $2,000. These concentrators, such as the Optium Oxygen Concentrator which has a manufacturer's list price of $1,200-$1,485 but sells for about $630-$840 on websites like Amazon , are heavier and bulkier than portable oxygen concentrators.