Photoacoustic image guidance and robotic visual servoing to mitigate fluoroscopy during cardiac catheter interventions

Michelle T. Graham; Fabrizio Assis; Derek Allman; Alycen Wiacek; Eduardo Gonzalez; Mardava R. Gubbi; Jinxin Dong; Huayu Hou; Sarah Beck; Jonathan Chrispin; Muyinatu A. Lediju Bell

doi:10.1117/12.2546910

21 February 2020 Photoacoustic image guidance and robotic visual servoing to mitigate fluoroscopy during cardiac catheter interventions

Michelle T. Graham, Fabrizio Assis, Derek Allman, Alycen Wiacek, Eduardo Gonzalez, Mardava R. Gubbi, Jinxin Dong, Huayu Hou, Sarah Beck, Jonathan Chrispin, Muyinatu A. Lediju Bell

Author Affiliations +

Proceedings Volume 11229, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XVIII; 112291E (2020) https://doi.org/10.1117/12.2546910
Event: SPIE BiOS, 2020, San Francisco, California, United States

Abstract

Many cardiac interventional procedures (e.g., radiofrequency ablation) require fluoroscopy to navigate catheters in veins toward the heart. However, this image guidance method lacks depth information and increases the risks of radiation exposure for both patients and operators. To overcome these challenges, we developed a robotic visual servoing system that maintains visualization of segmented photoacoustic signals from a cardiac catheter tip. This system was tested in two in vivo cardiac catheterization procedures with ground truth position information provided by fluoroscopy and electromagnetic tracking. The 1D root mean square localization errors within the vein ranged 1.63 − 2.28 mm for the first experiment and 0.25 − 1.18 mm for the second experiment. The 3D root mean square localization error for the second experiment ranged 1.24 − 1.54 mm. The mean contrast of photoacoustic signals from the catheter tip ranged 29.8 − 48.8 dB when the catheter tip was visualized in the heart. Results indicate that robotic-photoacoustic imaging has promising potential as an alternative to fluoroscopic guidance. This alternative is advantageous because it provides depth information for cardiac interventions and enables enhanced visualization of the catheter tips within the beating heart.

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Michelle T. Graham, Fabrizio Assis, Derek Allman, Alycen Wiacek, Eduardo Gonzalez, Mardava R. Gubbi, Jinxin Dong, Huayu Hou, Sarah Beck, Jonathan Chrispin, and Muyinatu A. Lediju Bell "Photoacoustic image guidance and robotic visual servoing to mitigate fluoroscopy during cardiac catheter interventions", Proc. SPIE 11229, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XVIII, 112291E (21 February 2020); https://doi.org/10.1117/12.2546910

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