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Case Reports
. 2017 Dec;33(12):1736.e1-1736.e3.
doi: 10.1016/j.cjca.2017.09.013. Epub 2017 Sep 22.

A Novel Pacing Strategy With Low and Stable Output: Pacing the Left Bundle Branch Immediately Beyond the Conduction Block

Weijian Huang  1 , Lan Su  2 , Shengjie Wu  2 , Lei Xu  2 , Fangyi Xiao  2 , Xiaohong Zhou  3 , Kenneth A Ellenbogen  4
Affiliations
Case Reports

A Novel Pacing Strategy With Low and Stable Output: Pacing the Left Bundle Branch Immediately Beyond the Conduction Block

Weijian Huang et al. Can J Cardiol. 2017 Dec.

Abstract

This report demonstrates the feasibility of pacing the left bundle branch (LBB) immediately beyond the conduction block to functionally restore the impaired His-Purkinje conduction system in a patient with heart failure and left bundle branch block (LBBB). The pacing required only a low pacing output (0.5 volts/0.5 ms) to correct the LBBB with accompanying right BBB on the electrocardiogram. Over 1-year of follow-up, the patient had a significant improvement in clinical outcome and echocardiographic measurements. The case shows a novel pacing strategy for patients with BBB that affects many patients with heart failure.

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