Obstructive sleep apnea and the risk of sudden cardiac death: a longitudinal study of 10,701 adults.

Obstructive sleep apnea and the risk of sudden cardiac death: a longitudinal study of 10,701 adults.
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DOI:
10.1016/j.jacc.2013.04.080
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发表时间:
2013-08-13
影响因子:
24
通讯作者:
Somers, Virend K.
Somers, Virend K.
中科院分区:
医学1区
文献类型:
--
作者:
Gami, Apoor S.;Olson, Eric J.;Shen, Win K.;Wright, R. Scott;Ballman, Karla V.;Hodge, Dave O.;Herges, Regina M.;Howard, Daniel E.;Somers, Virend K.

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确定阻塞性睡眠呼吸暂停(OSA)相关的心源性猝死(SCD)风险。SCD是导致死亡的主要原因,其风险分层是困难的。阻塞性睡眠呼吸暂停与心血管疾病和心律失常有关,并已被证明会增加夜间SCD的风险。目前尚不清楚阻塞性睡眠呼吸暂停是否会单独增加SCD的风险。在1987年7月至2003年7月期间,我们纳入了10,701名连续接受首次诊断性多导睡眠图检查的成年人。在长达15年的随访中,我们评估了与OSA存在相关的复苏或致死性SCD事件、包括呼吸暂停低通气指数(AHI)和夜间氧饱和度(O2sat)参数在内的生理数据以及相关合并症。在平均5.3年的随访中,142例患者出现复苏或致死性SCD(年发生率0.27%)。在多因素分析中,SCD的独立危险因素为年龄、高血压、冠状动脉疾病、心肌病或心力衰竭、心室异位或非持续性室性心动过速和最低夜间O2sat(每-10%,HR 1.14, P=0.029)。预测SCD的最佳指标为:年龄bbb60岁(HR 5.53)、AHI bbb20岁(HR 1.60)、平均夜间O2sat <93% (HR 2.93)、最低夜间O2sat <78% (HR 2.60,均P<0.0001)。在10,701名接受多导睡眠图检查的成年人中,OSA可以预测SCD的发生,并且通过表征OSA严重程度的多个参数来预测风险的大小。夜间低氧血症是OSA的一个重要病理生理特征,它能独立于已知的危险因素预测SCD。这些发现表明,阻塞性睡眠呼吸暂停是一种普遍存在的疾病,是SCD的一个新的危险因素。
To identify the risk of sudden cardiac death (SCD) associated with obstructive sleep apnea (OSA). Risk stratification for SCD, a major cause of mortality, is difficult. OSA is linked to cardiovascular disease and arrhythmias, and has been shown to increase the risk of nocturnal SCD. It is unknown if OSA independently increases the risk of SCD. We included 10,701 consecutive adults undergoing their first diagnostic polysomnogram between 7/1987 and 7/2003. During follow-up up to 15 years, we assessed incident resuscitated or fatal SCD in relationship to the presence of OSA, physiological data including the apnea-hypopnea index (AHI) and nocturnal oxygen saturation (O2sat) parameters, and relevant comorbidities. During an average follow-up of 5.3 years, 142 patients had resuscitated or fatal SCD (annual rate 0.27%). In multivariate analysis, independent risk factors for SCD were age, hypertension, coronary artery disease, cardiomyopathy or heart failure, ventricular ectopy or nonsustained ventricular tachycardia, and lowest nocturnal O2sat (per -10%, HR 1.14, P=0.029). SCD was best predicted by age >60 years (HR 5.53), AHI >20 (HR 1.60), mean nocturnal O2sat <93% (HR 2.93), and lowest nocturnal O2sat <78% (HR 2.60, all P<0.0001). In a population of 10,701 adults referred for polysomnography, OSA predicted incident SCD, and the magnitude of risk was predicted by multiple parameters characterizing OSA severity. Nocturnal hypoxemia, an important pathophysiological feature of OSA, strongly predicted SCD independently of well-established risk factors. These findings implicate OSA, a prevalent condition, as a novel risk factor for SCD.
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