Recovery of complete left bundle branch block following heart failure improvement by left bundle branch pacing in a patient

被引：15

作者：

Li, Yuqiu

Chen, Keping ^{[1
,2
]}

Dai, Yan

Li, Chao

Sun, Qi

Chen, Ruohan

Yan, Lirong

Lin, Jinxuan

Zhang, Shu

机构：

[1] Chinese Acad Med Sci, State Key Lab Cardiovasc Dis, Arrhythmia Ctr, Fuwai Hosp,Natl Ctr Cardiovasc Dis, 167 North Lishi Rd, Beijing 100037, Peoples R China

[2] Peking Union Med Coll, 167 North Lishi Rd, Beijing 100037, Peoples R China

来源：

JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY | 2019年 / 30卷 / 09期

基金：

中国国家自然科学基金;

关键词：

cardiac resynchronization therapy; heart failure; left bundle branch block; left bundle branch pacing; CARDIAC RESYNCHRONIZATION THERAPY;

D O I：

10.1111/jce.14034

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

A 57-year-old male presented with symptomatic systolic heart failure and complete left bundle branch block (LBBB). Left bundle branch pacing corrected LBBB at a low capture threshold (0.5V @0.4ms) with right bundle branch conduction delay and paced QRS morphology changed to near-normal by adjusting AV delay with diminished RBBD. At 1-year follow-up, the patient had a significant improvement in heart failure and LBBB automatically resolved with a rate-dependent pattern. LBBP may be an alternative to conventional cardiac resynchronization therapy with the likelihood of recovery of LBBB. More research is needed to evaluate the potential use of this pacing strategy in patients with LBBB and heart failure.

引用

页码：1714 / 1717

页数：4

共 7 条

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