4.6 Article

Estimates of 10-year risk of cardiovascular death and adherence to cardiovascular risk factor management in Danish patients investigated for obstructive sleep apnea

Journal

SLEEP MEDICINE
Volume 104, Issue -, Pages 22-28

Publisher

ELSEVIER
DOI: 10.1016/j.sleep.2023.02.009

Keywords

Sleep apnea; Hypertension; Dyslipidemia; SCORE; Metabolic syndrome

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This study investigated the relationship between obstructive sleep apnea (OSA) and cardiovascular disease (CVD) in Danish patients using the risk chart of Systemic Coronary Risk Evaluation (SCORE) from European Society of Cardiology (ESC). The results showed that patients with moderate and severe OSA had an increased 10-year risk of fatal CVD and were undertreated with CVD risk-lowering agents such as statins.
Objective: Obstructive sleep apnea (OSA) increases the risk of cardiovascular disease (CVD) in both morbidity and mortality. We used the risk chart of Systemic Coronary Risk Evaluation (SCORE) from European Society of Cardiology (ESC) to determine the 10-year risk of cardiovascular death, and adherence to cardiovascular risk factor management in Danish patients investigated for obstructive sleep apnea. Research design and methods: In a prospective cohort study, 303 patients with mild, moderate and severe OSA were investigated for cardiovascular risk factors before initiating CPAP therapy. Primary outcome was estimates of 10-year risk of cardiovascular death assessed from the ESC risk chart SCORE based on sex, age, smoking status, systolic blood pressure and s-total cholesterol. Furthermore we analyzed treatment indication with statins in patients with mild (apnea-hypopnea index, AHI <15), moderate (AHI 15-29.9) and severe OSA (AHI >= 30). Results: Patients with mild OSA predominately had low or moderate 10-year risk of CVD (low risk 55.4%, moderate risk 30.8%) while patients with moderate and severe OSA were more likely to have high or very high risk of 10-year CVD (p = 0.001). The large majority of included OSA patients had dyslipidemia, 235 (77.6%) and of those, only 27.4% were treated with cholesterol lowering drugs while additional 27.7% were eligible for oral statin supplement as risk-estimated by the ESC SCORE. In multiple regression analysis among statin naive patients, AHI was positively associated with statin eligibility when adjusted for age and sex. Conclusion: Patients with moderate and severe OSA had an elevated 10-year risk of fatal CVD and were undertreated with CVD risk lowering agents such as statins. (c) 2023 Published by Elsevier B.V.

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