10-08-2015, 07:02 AM
(This post was last modified: 10-08-2015, 07:04 AM by VisitorX.)
I would be cautious about looking at oxygen requirements for COPD and using that as a basis for whether oxygen is adquate for sleep apnea. COPD is chronic, and people undergo physiologic changes in response to the chronic and more-or-less constant hypoxia that makes oxygen delivery to the tissues more efficient (changes in blood chemicals--2,3, DPG--and a rise in hematocrtit are the two that I know can occur in response to chronic hypoxia). I tend to doubt these would come into play for the intermittent hypoxia of OSA. I'm not saying you need oxygen, or that oxygen is even the right thing to use at all (fixing the underlying problem would be best, I assume), just that my sense is to not use COPD guidelines in making the decision.
And no, you do not need supplemental oxygen. You are doing pretty good, actually. Typical overnight O2 readings should be around 92% for healthy persons although down to 90% is acceptable. Your lows are not much lower than that with the doctor's oximeter and only slightly lower with your own (that big sudden dip to 79% is a fault; probably the device came loose for a second or something). But the noteworthy part is they don't stay low. They are down there for just a few seconds. Which is the most important bit of information. Supplemental oxygen is necessary when the saturation rate goes low and stays there for prolonged time, usually due to other lung issues.
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10-08-2015, 04:15 PM
(This post was last modified: 10-08-2015, 04:19 PM by surferdude2.)
It looks to me like you don't need a change in CPAP therapy or supplemental oxygen. You must realize that your own oximeter will not be accepted as being more accurate than the one your doctor furnished. Most folks here would love to have those readings!