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目的:了解阻塞性睡眠呼吸暂停综合症(OSAHS)患者夜间心律失常的发生情况、常见类型及相关因素。方法:对67例睡眠打鼾患者同步进行动态心电图及多导睡眠图监测。以呼吸暂停指数及夜间最低氧饱和度将研究对象进行分组,比较分析夜间心律失常发生率及发生类型并进一步分析夜间心律失常的相关因素。结果:OSAS组的夜间心律失常发生率显著高于单纯鼾症患者。随着OSAS加重,呼吸暂停低通气指数逐渐增大,夜间氧饱和度下降越明显,心律失常发生率升高,发生时间延长、恶性程度增加,尤其以缓慢型心律失常的发生率增多。结论:OS-AHS患者夜间心律失常的发生率及严重程度与OSAHS严重程度呈正相关,夜间心律失常的诱发与呼吸暂停低通气指数及低氧血症密切相关。应重视夜间心律失常患者合并存在的OSAHS的诊治。
Objective: To understand the incidence of nocturnal arrhythmia, obstructive sleep apnea syndrome (OSAHS) patients, common types and related factors. Methods: Sixty-seven patients with sleep-snoring were monitored by dynamic electrocardiogram and polysomnography simultaneously. The subjects were divided into group according to apnea index and nighttime oxygen saturation. The incidence and type of nocturnal arrhythmia were analyzed and compared, and the related factors of nocturnal arrhythmia were analyzed. Results: The incidence of nocturnal arrhythmia in OSAS group was significantly higher than that in simple snoring patients. With the increase of OSAS, the apnea-hypopnea index gradually increases, the nighttime oxygen saturation decreases more obviously, the incidence of arrhythmia increases, the time prolongs and the malignancy increases, especially the incidence of bradyarrhythmia increases. Conclusion: The incidence and severity of nocturnal arrhythmia in OS-AHS patients are positively correlated with the severity of OSAHS. The induction of nocturnal arrhythmia is closely related to apnea-hypopnea index and hypoxemia. Should pay attention to patients with nocturnal arrhythmia combined diagnosis and treatment of OSAHS.