冠心病心力衰竭患者PCI术前动态心电图特征与预后的相关性

2020-10-09 10:32叶大彬宋文信孙凤
中国医药导报 2020年23期
关键词:动态心电图心力衰竭冠心病

叶大彬 宋文信 孙凤

[摘要] 目的 觀察不同预后的冠心病心力衰竭患者经皮冠脉介入术(PCI)术前动态心电图特征,分析动态心电图特征与预后的关系。 方法 回顾性分析2018年1月—2019年1月在重庆医科大学附属大足医院完成PCI治疗并在术后完成1年随访的80例冠心病心力衰竭患者的临床资料。所有患者均于PCI术前接受动态心电图检查,根据随访期间有无不良心血管事件发生分为预后良好组(69例)、预后不良组(11例)。比较不同预后冠心病心力衰竭患者的基线资料及术前动态心电图特征,绘制受试者操作特征(ROC)曲线,分析术前心电图特征,预测冠心病心力衰竭患者PCI术后不良预后的价值。 结果 冠心病心力衰竭患者不良心血管事件发生率为13.75%(11/80);预后不良组的全程全部NN间期标准差(SDNN)、24 h内每5分钟NN间期均值的标准差(SDANN)、24 h内每5分钟一般正常RR期间的标准差平均值(SDNNI)、全程相邻NN间期之差的均方根值(rMSSD)值均低于预后良好组,差异有统计学意义(P < 0.05)。SDNN、SDANN、SDNNI、rMSSD预测冠心病心力衰竭患者PCI术后预后不良的曲线下面积(AUC)分别为0.865、0.920、0.848、0.918,预测价值较理想,且SDANN、rMSSD预测价值更好。结论 冠心病心力衰竭患者可通过PCI术前检测SDNN、SDANN、SDNNI、rMSSD等心率变异性时域指标预测预后,尽早给予合理化干预,改善预后。

[关键词] 冠心病;心力衰竭;经皮冠脉介入术;动态心电图;不良心血管事件

[中图分类号] R541.6          [文献标识码] A          [文章编号] 1673-7210(2020)08(b)-0049-04

[Abstract] Objective To observe the characteristics of preoperative percutaneous coronary intervention (PCI) dynamic electrocardiogram characteristics in patients with coronary artery heart disease and heart failure with different prognosis and to analyze the relationship between preoperative PCI dynamic electrocardiogram and prognosis. Methods The clinical data of 80 patients with coronary artery heart disease and heart failure who were treated in Dazu Hospital Affiliated to Chongqing Medical University from January 2018 to January 2019, completed PCI treatment and one year follow-up after treatment, was retrospectively analyzed. All patients received dynamic electocardiogram detection before PCI, according to whether the patients had adverse cardiovascular events during the one year follow-up period, they were divided into good prognosis group (69 cases) and poor prognosis group (11 cases). The baseline data and preoperative dynamic electrocardiogram characteristics of patients with coronary artery heart disease and heart failure with different prognostic outcomes were compared, then the receiver operating characteristic (ROC) curve was drew to analyze the value of preoperative dynamic electrocardiogram characteristics in predicting the poor prognosis of patients with coronary artery heart disease and heart failure after PCI. Results The incidence of adverse cardiovascular events in patients with coronary artery heart disease and heart failure was 13.75% (11/80); the standard deviation of NN intervals (SDNN), standard deviation average of NN intervals (SDANN), standard deviation of normal RR intervals index (SDNNI), root mean square of successive differences (rMSSD) in the poor prognosis group were lower than those in the good prognosis group, the differences were statistically significant (P < 0.05). The ROC curve was drew to obtain SDNN, SDANN, SDNNI and rMSSD to predict the poor prognosis of patients with coronary artery heart disease and heart failure after PCI, the area under the curve (AUC) were 0.865, 0.920, 0.848 and 0.918 separately, and the predictive value was ideal. The prediction values of SDANN and rMSSD were better. Conclusion Patients with coronary artery heart disease and heart failure can predict the prognosis by SDNN, SDANN, SDNNI, rMSSD and other heart rate variability time domain indicators before PCI, to give reasonable intervention as soon as possible to improve the prognosis.

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(收稿日期:2020-05-07)

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