The association of existing home preoperative continuous positive airway pressure therapy for obstructive sleep apnea with the incidence of early emergency department visits after outpatient total hip and knee arthroplasty
Authors' conclusion
OSA without existing preoperative CPAP therapy was independently associated with increased odds of post-outpatient THA and TKA ED visits.
Study context
- Population
- Adults undergoing outpatient total hip or knee arthroplasty (THA, TKA), Merative MarketScan, 2018–2022THA n = 45,101
- Exposure
- Obstructive sleep apnea (OSA) with vs without preoperative home CPAP vs no OSA
- Outcome
- Any ED visit within POD 1 or POD 7
- Follow-up
- POD 1 or POD 7
Methodological detailspairwise mixed-effects regression, adjusted
- Pairwise mixed-effects regression
- Adjusted
Main finding
As reported in the abstract
Any ED visit · POD 1 and POD 7
Odds ratio (95% CI)
OSA+/CPAP+ vs OSA+/CPAP-POD 1, TKA
0.76(0.62–0.94)
OSA+/CPAP- vs OSA-POD 1, TKA
1.22(1.05–1.42)
OSA+/CPAP+ vs OSA+/CPAP-POD 7, THA
0.78(0.62–0.99)
OSA+/CPAP+ vs OSA+/CPAP-POD 7, TKA
0.84(0.74–0.96)
OSA+/CPAP- vs OSA-POD 7, THA
1.27(1.08–1.49)
OSA+/CPAP- vs OSA-POD 7, TKA
1.24(1.12–1.38)
Observational data: associations, not effects.
Original publication
The association of existing home preoperative continuous positive airway pressure therapy for obstructive sleep apnea with the incidence of early emergency department visits after outpatient total hip and knee arthroplasty. J Clin Anesth. Published 14 May 2026. doi:10.
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