Author:
Wang Xiao,Fan Jingyao,Guo Ruifeng,Hao Wen,Gong Wei,Yan Yan,Zheng Wen,Ai Hui,Que Bin,Hu Dan,Ma Changsheng,Ma Xinliang,Somers Virend K.,Nie Shaoping
Abstract
BackgroundThe impact of sex on the association of obstructive sleep apnoea (OSA) with recurrent cardiovascular events following acute coronary syndrome (ACS) remains uncertain. This study sought to examine the association between OSA and long-term cardiovascular outcomes in women and men with ACS.MethodsIn this prospective cohort study, we recruited 2160 ACS patients undergoing portable sleep monitoring between June 2015 and January 2020. The primary end-point was major adverse cardiovascular and cerebrovascular event (MACCE), including cardiovascular death, myocardial infarction, stroke, ischaemia-driven revascularisation or hospitalisation for unstable angina or heart failure.ResultsAfter exclusion of patients with failed sleep studies, central sleep apnoea, regular continuous positive airway pressure therapy and loss of follow-up, 1927 patients were enrolled. Among them, 298 (15.5%) were women and 1014 (52.6%) had OSA (apnoea–hypopnoea index ≥15 events·h−1). The prevalence of OSA was 43.0% and 54.4% in women and men, respectively. In 4339 person-years (median 2.9 years, interquartile range 1.5–3.6 years), the cumulative incidence of MACCE was significantly higher in OSAversusnon-OSA groups in the overall population (22.4%versus17.7%; adjusted hazard ratio (HR) 1.29, 95% CI 1.04–1.59; p=0.018). OSA was associated with greater risk of MACCE in women (28.1%versus18.8%; adjusted HR 1.68, 95% CI 1.02–2.78; p=0.042), but not in men (21.6%versus17.5%; adjusted HR 1.22, 95% CI 0.96–1.54; p=0.10). No significant interaction was noted between sex and OSA for MACCE (interaction p=0.32). The incremental risk in women was attributable to higher rates of hospitalisation for unstable angina and ischaemia-driven revascularisation.ConclusionsIn hospitalised ACS patients, OSA was associated with increased risk of subsequent events, particularly among women. Female patients with ACS should not be neglected for OSA screening and dedicated intervention studies focusing on women with ACS and comorbid OSA should be prioritised.
Funder
Beijing Nova Program
Interdisciplinary Cooperation Project of Beijing Nova Program
National Key R&D Program of China
National Natural Science Foundation of China
Natural Science Foundation of Beijing Municipality
Publisher
European Respiratory Society (ERS)
Subject
Pulmonary and Respiratory Medicine
Cited by
22 articles.
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