Guidance for Intra-cardiac Echocardiography Manipulation to Maintain Continuous Therapy Device Tip Visibility

• URL: http://arxiv.org/abs/2505.05518v1
• Date: Thu, 08 May 2025 02:48:30 GMT
• Title: Guidance for Intra-cardiac Echocardiography Manipulation to Maintain Continuous Therapy Device Tip Visibility
• Authors: Jaeyoung Huh, Ankur Kapoor, Young-Ho Kim,
• Abstract summary: Intra-cardiac Echocardiography (ICE) plays a critical role in Electrophysiology (EP) and Structural Heart Disease (SHD) interventions.<n>Maintaining continuous visibility of the therapy device tip remains a challenge due to frequent adjustments required during manual ICE catheter manipulation.<n>We propose an AI-driven tracking model that estimates the device tip incident angle and passing point within the ICE imaging plane.
• Score: 7.208458407211938
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Intra-cardiac Echocardiography (ICE) plays a critical role in Electrophysiology (EP) and Structural Heart Disease (SHD) interventions by providing real-time visualization of intracardiac structures. However, maintaining continuous visibility of the therapy device tip remains a challenge due to frequent adjustments required during manual ICE catheter manipulation. To address this, we propose an AI-driven tracking model that estimates the device tip incident angle and passing point within the ICE imaging plane, ensuring continuous visibility and facilitating robotic ICE catheter control. A key innovation of our approach is the hybrid dataset generation strategy, which combines clinical ICE sequences with synthetic data augmentation to enhance model robustness. We collected ICE images in a water chamber setup, equipping both the ICE catheter and device tip with electromagnetic (EM) sensors to establish precise ground-truth locations. Synthetic sequences were created by overlaying catheter tips onto real ICE images, preserving motion continuity while simulating diverse anatomical scenarios. The final dataset consists of 5,698 ICE-tip image pairs, ensuring comprehensive training coverage. Our model architecture integrates a pretrained ultrasound (US) foundation model, trained on 37.4M echocardiography images, for feature extraction. A transformer-based network processes sequential ICE frames, leveraging historical passing points and incident angles to improve prediction accuracy. Experimental results demonstrate that our method achieves 3.32 degree entry angle error, 12.76 degree rotation angle error. This AI-driven framework lays the foundation for real-time robotic ICE catheter adjustments, minimizing operator workload while ensuring consistent therapy device visibility. Future work will focus on expanding clinical datasets to further enhance model generalization.

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