Cardiovascular risk in patients with sleep apnoea with or without continuous positive airway pressure therapy: follow-up of 4.5 million Danish adults
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Cardiovascular risk in patients with sleep apnoea with or without continuous positive airway pressure therapy : follow-up of 4.5 million Danish adults. / Lamberts, Morten; Nielsen, O W; Lip, G Y H; Ruwald, Martin Huth; Christiansen, Christine Benn; Kristensen, Søren Lund; Torp-Pedersen, Christian; Hansen, Morten Lock; Gislason, G H.
In: Journal of Internal Medicine, Vol. 276, No. 6, 12.2014, p. 659-666.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Cardiovascular risk in patients with sleep apnoea with or without continuous positive airway pressure therapy
T2 - follow-up of 4.5 million Danish adults
AU - Lamberts, Morten
AU - Nielsen, O W
AU - Lip, G Y H
AU - Ruwald, Martin Huth
AU - Christiansen, Christine Benn
AU - Kristensen, Søren Lund
AU - Torp-Pedersen, Christian
AU - Hansen, Morten Lock
AU - Gislason, G H
N1 - © 2014 The Association for the Publication of the Journal of Internal Medicine.
PY - 2014/12
Y1 - 2014/12
N2 - BACKGROUND: The prognostic significance of age and continuous positive airway pressure (CPAP) therapy on cardiovascular disease in patients with sleep apnoea has not been assessed previously.METHODS: Using nationwide databases, the entire Danish population was followed from 2000 until 2011. First-time sleep apnoea diagnoses and use of CPAP therapy were determined. Incidence rate ratios (IRRs) of ischaemic stroke and myocardial infarction (MI) were analysed using Poisson regression models.RESULTS: Amongst 4.5 million individuals included in the study, 33 274 developed sleep apnoea (mean age 53, 79% men) of whom 44% received persistent CPAP therapy. Median time to initiation of CPAP therapy was 88 days (interquartile range 34-346). Patients with sleep apnoea had more comorbidities compared to the general population. Crude rates of MI and ischaemic stroke were increased for sleep apnoea patients (5.4 and 3.6 events per 1000 person-years compared to 4.0 and 3.0 in the general population, respectively). Relative to the general population, risk of MI [IRR 1.71, 95% confidence interval (CI) 1.57-1.86] and ischaemic stroke (IRR 1.50, 95% CI 1.35-1.66) was significantly increased in patients with sleep apnoea, in particular in patients younger than 50 years (IRR 2.12, 95% CI 1.64-2.74 and IRR 2.34, 95% CI 1.77-3.10, respectively). Subsequent CPAP therapy was not associated with altered prognosis.CONCLUSIONS: Sleep apnoea is associated with increased risk of ischaemic stroke and MI, particularly in patients younger than 50 years of age. CPAP therapy was not associated with a reduced rate of stroke or MI.
AB - BACKGROUND: The prognostic significance of age and continuous positive airway pressure (CPAP) therapy on cardiovascular disease in patients with sleep apnoea has not been assessed previously.METHODS: Using nationwide databases, the entire Danish population was followed from 2000 until 2011. First-time sleep apnoea diagnoses and use of CPAP therapy were determined. Incidence rate ratios (IRRs) of ischaemic stroke and myocardial infarction (MI) were analysed using Poisson regression models.RESULTS: Amongst 4.5 million individuals included in the study, 33 274 developed sleep apnoea (mean age 53, 79% men) of whom 44% received persistent CPAP therapy. Median time to initiation of CPAP therapy was 88 days (interquartile range 34-346). Patients with sleep apnoea had more comorbidities compared to the general population. Crude rates of MI and ischaemic stroke were increased for sleep apnoea patients (5.4 and 3.6 events per 1000 person-years compared to 4.0 and 3.0 in the general population, respectively). Relative to the general population, risk of MI [IRR 1.71, 95% confidence interval (CI) 1.57-1.86] and ischaemic stroke (IRR 1.50, 95% CI 1.35-1.66) was significantly increased in patients with sleep apnoea, in particular in patients younger than 50 years (IRR 2.12, 95% CI 1.64-2.74 and IRR 2.34, 95% CI 1.77-3.10, respectively). Subsequent CPAP therapy was not associated with altered prognosis.CONCLUSIONS: Sleep apnoea is associated with increased risk of ischaemic stroke and MI, particularly in patients younger than 50 years of age. CPAP therapy was not associated with a reduced rate of stroke or MI.
KW - Age Factors
KW - Brain Ischemia
KW - Comorbidity
KW - Continuous Positive Airway Pressure
KW - Denmark
KW - Female
KW - Follow-Up Studies
KW - Humans
KW - Incidence
KW - Male
KW - Middle Aged
KW - Myocardial Infarction
KW - Poisson Distribution
KW - Risk Factors
KW - Sleep Apnea Syndromes
KW - Stroke
U2 - 10.1111/joim.12302
DO - 10.1111/joim.12302
M3 - Journal article
C2 - 25169419
VL - 276
SP - 659
EP - 666
JO - Acta Medica Scandinavica
JF - Acta Medica Scandinavica
SN - 0955-7873
IS - 6
ER -
ID: 137909590