• Resuscitation · May 2024

    Sleep apnea, the risk of out-of-hospital cardiac arrest, and potential benefits of continuous positive airway pressure therapy: a nationwide study.

    • Pelpika Qayoumi, Ruben Coronel, Fredrik Folke, Anojhaan Arulmurugananthavadivel, Saaima Parveen, Harman Yonis, Amani Meaidi, Morten Lamberts, Morten Schou, Christian Torp-Pedersen, Hilmar GislasonGunnarGDepartment of Cardiology, Copenhagen University Hospital - Herlev and Gentofte, Copenhagen, Denmark; The Danish Heart Foundation, Copenhagen, Denmark., and Talip E Eroglu.
    • Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte, Copenhagen, Denmark.
    • Resuscitation. 2024 May 1; 198: 110174110174.

    ObjectivePatients with sleep apnea (SA) are at increased cardiovascular risk. However, little is known about the risk of out-of-hospital cardiac arrest (OHCA) in patients with SA. Therefore, we studied the relation between SA patients who did and did not receive continuous positive airway pressure (CPAP) therapy with OHCA in the general population.MethodsUsing nationwide databases, we conducted a nested case-control study with OHCA-cases of presumed cardiac causes and age/sex/OHCA-date matched non-OHCA-controls from the general population. Conditional logistic regression models with adjustments for well-known OHCA risk factors were performed to generate odds ratio (OR) of OHCA comparing patients with SA receiving and not receiving CPAP therapy with individuals without SA.ResultsWe identified 46,578 OHCA-cases and 232,890 matched non-OHCA-controls [mean: 71 years, 68.8% men]. Compared to subjects without SA, having SA without CPAP therapy was associated with increased odds of OHCA after controlling for relevant confounders (OR:1.20, 95%-Cl:1.06-1.36), while having SA with CPAP therapy was not associated with OHCA (OR:1.04, 95%-Cl:0.93-1.36). Regardless of CPAP therapy, age and sex did not significantly influence our findings. Our findings were confirmed in: (I) patients with neither ischemic heart disease nor heart failure (untreated SA, OR:1.24, 95%-CI:1.04-1.47; SA with CPAP, OR:1.08, 95%-CI:0.93-1.25); and (II) in patients without cardiovascular disease (untreated SA, OR:1.33, 95%-CI:1.07-1.65; SA with CPAP, OR:1.14, 95%-CI:0.94-1.39).ConclusionSA not treated with CPAP was associated with OHCA, while no increased risk of OHCA was found for SA patients treated with CPAP.Copyright © 2024 The Author(s). Published by Elsevier B.V. All rights reserved.

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