Integration of myocardial scar identified by preoperative delayed contrast-enhanced MRI into a high-resolution mapping system for planning and guidance of VT ablation procedures

M. E. Rettmann; A. Suzuki; S. Wang; N. Pottinger; J. Arter; A. Netzer; K. Parker; K. Viker; D. L. Packer

doi:10.1117/12.2255933

3 March 2017 Integration of myocardial scar identified by preoperative delayed contrast-enhanced MRI into a high-resolution mapping system for planning and guidance of VT ablation procedures

M. E. Rettmann, A. Suzuki, S. Wang, N. Pottinger, J. Arter, A. Netzer, K. Parker, K. Viker, D. L. Packer

Author Affiliations +

Proceedings Volume 10135, Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling; 101351P (2017) https://doi.org/10.1117/12.2255933
Event: SPIE Medical Imaging, 2017, Orlando, Florida, United States

Abstract

Myocardial scarring creates a substrate for reentrant circuits which can lead to ventricular tachycardia. In ventricular catheter ablation therapy, regions of myocardial scarring are targeted to interrupt arrhythmic electrical pathways. Low voltage regions are a surrogate for myocardial scar and are identified by generating an electro anatomic map at the start of the procedure. Recent efforts have focussed on integration of preoperative scar information generated from delayed contrast-enhanced MR imaging to augment intraprocedural information. In this work, we describe an initial feasibility study of integration of a preoperative MRI derived scar maps into a high-resolution mapping system to improve planning and guidance of VT ablation procedures.

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M. E. Rettmann, A. Suzuki, S. Wang, N. Pottinger, J. Arter, A. Netzer, K. Parker, K. Viker, and D. L. Packer "Integration of myocardial scar identified by preoperative delayed contrast-enhanced MRI into a high-resolution mapping system for planning and guidance of VT ablation procedures", Proc. SPIE 10135, Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling, 101351P (3 March 2017); https://doi.org/10.1117/12.2255933

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