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[目的]探讨冠心病(CAD)伴夜间睡眠呼吸暂停综合征(SAS)患者低氧血症与心律失常的关系。[方法]对286例CAD伴鼾症患者进行夜间持续经皮血氧饱和度监测(sao2)和24h动态心电图监测(DCG)。根据最低血氧饱和度(Lsao2)结果,将患者分为CAD合并低氧血症组A组(140例)及单纯CAD组B组(146例)进行DCG结果对比,并进行Lsao2,年龄(Age)与DCG各指标相关性分析。[结果]A组发生房性早搏,室性早搏,房性心动过速,阵发性房颤,短阵室性心动过速,房室及室内传导阻滞,窦性停搏及心肌缺血的发生率均较B组明显增加(P﹤0.05)。[结论]低氧血症可引起多种心律失常,对CAD患者应注意有无SAS,及时纠正低氧血症,以减少恶性心律失常的发生,降低夜间猝死的危险性.
[Objective] To investigate the relationship between hypoxemia and arrhythmia in patients with coronary heart disease (CAD) and nocturnal sleep apnea syndrome (SAS). [Methods] 286 patients with CAD accompanied by snoring were monitored with continuous nighttime monitoring of oxygen saturation (sao2) and 24h electrocardiogram (DCG). According to the result of Lsao2, the patients were divided into CAD group (140 cases) and CAD group B (146 cases) ) And DCG indicators correlation analysis. [Results] The incidence of atrial premature beats, premature ventricular contractions, atrial tachycardia, paroxysmal atrial fibrillation, bradycardia, atrioventricular and ventricular conduction block, sinus arrest and myocardial ischemia The incidence was significantly higher than the B group (P <0.05). [Conclusion] Hypoxemia can cause a variety of arrhythmia, CAD patients should pay attention to the presence or absence of SAS, timely correction of hypoxemia, in order to reduce the incidence of malignant arrhythmia and reduce the risk of sudden death at night.