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Potential for leadless left bundle branch pacing for cardiac resynchronization: a case report
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  • Mark Elliott,
  • Baldeep Sidhu,
  • Lucy Jarrett-Smith,
  • Vishal Mehta,
  • Justin Gould,
  • Angela Lee,
  • Steven Niederer,
  • Christopher Rinaldi
Mark Elliott
King's College London
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Baldeep Sidhu
King's College London
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Lucy Jarrett-Smith
Guy's and St Thomas' NHS Foundation Trust
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Vishal Mehta
King's College London
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Justin Gould
King's College London
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Angela Lee
King's College London
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Steven Niederer
King's College London
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Christopher Rinaldi
Guy's and St Thomas' NHS Foundation Trust
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Abstract

Introduction: Left bundle branch pacing is a recently described form of conduction system pacing which can correct left-bundle branch block and deliver cardiac resynchronization therapy (CRT). The WiSE-CRT system delivers leadless endocardial pacing and can improve symptoms and left ventricular remodelling in CRT non-responders. Case Report: We describe the case of a 57 year old male who underwent implantation of the WiSE-CRT system after failed conventional CRT. Pacing the left bundle during implant achieved superior electrical resynchronization and equivalent hemodynamic response compared to pacing the lateral wall. Conclusion: This case demonstrates the potential for leadless left bundle branch pacing.