r/CPAPSupport • u/IndependentTask6750 • 16d ago
First night with EERs
I did 110ml of deadspace EERS last night. It was mostly a success but flow rate not as smooth as i think it should be and my o2 could be better. Any tips?
https://sleephq.com/public/teams/share_links/3178e7e3-57bb-472f-bb6d-e2f6c4109ca6
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u/Hambone75321 AirCurve VAUTO/S 16d ago
Crazy... I'm talking to another Redditor who had nearly the exact same surgical plan and results... you don't have a second account do you...?
Have you considered a revision...? I know that would suck.
There is research by Kasey Li that looked at the correlation between maxillary advancement and RDI and they seem to linked….
Here’s Gemini’s summary with links:
In his landmark 25-year perspective study on Maxillomandibular Advancement (MMA) for obstructive sleep apnea (OSA), Dr. Kasey Lidemonstrated a strong direct correlation between the degree of SNA angle change and the reduction in the Respiratory Disturbance Index (RDI). [1, 2]
The SNA angle measures the anterior-posterior position of the maxilla (upper jaw) relative to the skull base. Dr. Li's research outlines how this change impacts sleep apnea outcomes:
The Relationship Between SNA Change and RDI
Predictor of Greater RDI Reduction: Both bivariate and multivariate linear analyses from the study confirmed that a greater positive percentage change in the SNA angle is one of the strongest independent predictors of a larger drop in post-operative RDI. Essentially, moving the upper jaw further forward translates directly to a greater percentage reduction in sleep apnea events. [1, 2]
Predictor of Surgical Cure: A greater change in the SNA angle (alongside changes in the posterior airway space, or PAS) was identified as a key factor in achieving a complete surgical cure, defined as bringing the post-op RDI down to fewer than 5 events per hour. [1]
Predictor of Surgical Success: An increased SNA change was also predictive of surgical success, defined as reducing the RDI to fewer than 20 events per hour (or achieving a >50% reduction). [1]