房室间期优化对三度房室传导阻滞患者房室顺序起搏心功能的影响

宋光银; 俞杉; 安亚平; 吴强; 陈亚宁

doi:10.13201/j.issn.1001-1439.2020.03.015

房室间期优化对三度房室传导阻滞患者房室顺序起搏心功能的影响

- 1 贵州医科大学附属医院心电图科(贵阳, 550004);
- 2 贵州省人民医院心内科

详细信息

通讯作者: 俞杉,E-mail:yusha1218@126.com

中图分类号: R541

收稿日期: 2019-10-13

修回日期: 2019-12-21

Effect of atrioventriculardelay optimization on cardiac function in patients with Ⅲ° AVB after DDD pacing

- 1 Department of Electrocardiography, Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China;
- 2 Department of Cardiology, People's Hospital of Guizhou Province

More Information

Corresponding author: YU Sha, E-mail: yusha1218@126.com

Received Date: 13 October 2019

Revised Date: 21 December 2019

摘要

摘要: 目的:探讨不同房室间期(AVD)对三度房室传导阻滞(Ⅲ°AVB)患者房室顺序起搏(DDD)后心功能的影响。方法:接受DDD起搏治疗的Ⅲ°AVB患者16例,其中男女比例3∶1,平均年龄(64.50±15.96)岁。起搏器术后调整不同的AVD,应用左心导管检查测量左心室内压力上升/下降的速率(±dP/dT),评价不同AVD对Ⅲ°AVB患者DDD起搏后心功能的影响。结果:个体间最佳AVD的离散度较大(120~260 ms);不同AVD时,±dP/dT组内差异有统计学意义(P＜0.05),最佳AVD在160~220 ms区间的分布较集中;在160~220 ms区间的+dP/dT水平与其他区间的+dP/dT水平比较差异有统计学意义(P＜0.05);+dP/dT组最佳AVD与-dP/dT组最佳AVD比较差异无统计学意义(P＞0.05)。结论:不同的AVD对Ⅲ°AVB患者DDD起搏后心脏的收缩及舒张功能均有影响,最佳AVD能使其心脏的收缩及舒张功能达到最佳状态。
- 三度房室传导阻滞 /
- 房室间期 /
- 左心导管检查 /
- 收缩功能 /
- 舒张功能
Abstract: Objective:To explore the effect of different atrioventricular delay(AVD) on cardiac function in patients with third degree atrioventricular block(Ⅲ°AVB) after DDD pacing.Method:Sixteen patients with Ⅲ°AVB treated with DDD pacing including a male to female ratio of 3∶1 and an average age of(64.50±15.96) years.Adjusting the different AVD after pacemaker,invasive left cardiac catheterization was used to measure rate of the increase/decrease of left ventricular pressure(±dP/dT),evaluated the effect of different AVD on cardiac function in patients with Ⅲ°AVB after DDD pacing.Result:The dispersion of the optimal AVD between individuals was large(120—260 ms);Under different AVD conditions,the difference of ±dP/dT was statistically significant(P＜0.05),the optimal AVD is more concentrated in the 160—220 ms interval;In the 160~220 ms delay,the +dP/dT levels are difference from other intervals,the difference was statistically significant(P＜0.05);There was no significant difference in the optimal AVD between +dP/dTmax and-dP/dTmax(P＞0.05).Conclusion:Different AVD has an effect on cardiac contraction and diastolic function in patients with Ⅲ°AVB after DDD pacing,Optimal AVD can maximize the cardiac contraction and diastolic function.
- third degree atrioventricular block /
- atrioventricular delay /
- left cardiac catheterization /
- contraction function /
- diastolic function

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