Endocardial pacing may be beneficial in patients who fail to improve following conventional epicardial cardiac resynchronization therapy (CRT). The potential to pace anywhere inside the left ventricle thus avoiding myocardial scar and targeting the latest activating segments may be particularly important. The WiSE‐CRT system (EBR systems, Sunnyvale, CA) reliably produces wireless, endocardial left ventricular (LV) pacing. The purpose of this analysis was to determine whether this system improved symptoms or led to LV remodeling in patients who were nonresponders to conventional CRT.

中文翻译：

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对常规心脏再同步治疗无反应者的无引线左心室心内膜起搏。

心内膜起搏可能对接受常规心外膜心脏再同步治疗 (CRT) 后未能改善的患者有益。在左心室内的任何地方起搏从而避免心肌瘢痕和瞄准最新的激活节段的潜力可能特别重要。WiSE-CRT 系统（EBR 系统，加利福尼亚州桑尼维尔）可靠地产生无线的、心内膜左心室 (LV) 起搏。该分析的目的是确定该系统是否改善了对常规 CRT 无反应的患者的症状或导致 LV 重构。