The feasibility and safety of left bundle branch pacing vs. right ventricular pacing after mid-long-term follow-up: a single-centre experience

被引：58

作者：

Chen, Xueying ^{[1
]}

Jin, Qinchun ^{[1
]}

Bai, Jin ^{[1
]}

Wang, Wei ^{[1
]}

Qin, Shengmei ^{[1
]}

Wang, Jingfeng ^{[1
]}

Liang, Yixiu ^{[1
]}

Su, Yangang ^{[1
]}

Ge, Junbo ^{[1
]}

机构：

[1] Fudan Univ, Zhongshan Hosp, Shanghai Inst Cardiovasc Dis, Dept Cardiol, 180 Fenglin Rd, Shanghai 200032, Peoples R China

来源：

EUROPACE | 2020年 / 22卷

关键词：

Left bundle branch pacing; Right ventricular pacing; Feasibility; Follow-up;

D O I：

10.1093/europace/euaa294

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Aims The aim of this study is to prospectively assess the feasibility and safety of left bundle branch pacing (LBBP) when compared with right ventricular pacing (RVP) during mid-long-term follow-up in a large cohort. Methods and results Patients (n = 554) indicated for pacemaker implantation were prospectively and consecutively enrolled and were non-randomized divided into LBBP group and RVP group. The levels of cTnT and N-terminal pro-B type natriuretic peptide were measured and compared within 2 days post-procedure between two groups. Implant characteristics, procedure-related complications, and clinical outcomes were also compared. Pacing thresholds, sensing, and impedance were assessed during procedure and follow-up. Left bundle branch pacing was feasible with a success rate of 94.8% with high incidence of LBB potential (89.9%), selective LBBP (57.8%), and left deviation of paced QRS axis (79.7%) with mean Sti-LVAT of 65.07 +/- 8.58 ms. Paced QRS duration was significantly narrower in LBBP when compared with RVP (132.02 +/- 7.93 vs. 177.68 +/- 15.58 ms, P < 0.0001) and the pacing parameters remained stable in two groups during 18 months follow-up. cTnT elevation was more significant in LBBP when compared with RVP within 2 days post-procedure (baseline: 0.03 +/- 0.03 vs. 0.02 +/- 0.03 ng/mL, P = 0.002; 1 day post-procedure: 0.13 +/- 0.09 vs. 0.04 +/- 0.03 ng/mL, P < 0.001; 2 days post-procedure: 0.10 +/- 0.08 vs. 0.03 +/- 0.08 ng/mL, P < 0.001). The complications and cardiac outcomes were not significantly different between two groups. Conclusion Left bundle branch pacing was feasible in bradycardia patients associated with stable pacing parameters during 18 months follow-up. Paced QRS duration was significantly narrower than that of RVP. Though cTnT elevation was more significant in LBBP within 2 days post-procedure, the complications, and cardiac outcomes were not significantly different between two groups.

引用

页码：36 / 44

页数：9

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