Real-time circumferential mapping catheter tracking for motion compensation in atrial fibrillation ablation procedures
Brost A, Bourier F, Wimmer A, Koch M, Kiraly A, Liao R, Kurzidim K, Hornegger J, Strobel N (2012)
Publication Type: Conference contribution, Conference Contribution
Publication year: 2012
Journal
Original Authors: Brost A., Bourier F., Wimmer A., Koch M., Kiraly A., Liao R., Kurzidim K., Hornegger J., Strobel N.
Book Volume: 8316
Pages Range: -
Event location: San Diego, CA
Journal Issue: null
DOI: 10.1117/12.911338
Abstract
Atrial fibrillation (AFib) has been identified as a major cause of stroke. Radiofrequency catheter ablation has become an increasingly important treatment option, especially when drug therapy fails. Navigation under X-ray can be enhanced by using augmented fluoroscopy. It renders overlay images from pre-operative 3-D data sets which are then fused with X-ray images to provide more details about the underlying soft-tissue anatomy. Unfortunately, these fluoroscopic overlay images are compromised by respiratory and cardiac motion. Various methods to deal with motion have been proposed. To meet clinical demands, they have to be fast. Methods providing a processing frame rate of 3 frames-per-second (fps) are considered suitable for interventional electrophysiology catheter procedures if an acquisition frame rate of 2 fps is used. Unfortunately, when working at a processing rate of 3 fps, the delay until the actual motion compensated image can be displayed is about 300 ms. More recent algorithms can achieve frame rates of up to 20 fps, which reduces the lag to 50 ms. By using a novel approach involving a 3-D catheter model, catheter segmentation and a distance transform, we can speed up motion compensation to 25 fps which results in a display delay of only 40 ms on a standard workstation for medical applications. Our method uses a constrained 2-D/3-D registration to perform catheter tracking, and it obtained a 2-D tracking error of 0.61 mm. © 2012 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).
Authors with CRIS profile
Alexander Brost
Lehrstuhl für Informatik 14 (Bild- und Sprachverarbeitung) (LME)
Martin Koch
Lehrstuhl für Informatik 14 (Bild- und Sprachverarbeitung) (LME)
Joachim Hornegger
Lehrstuhl für Informatik 14 (Bild- und Sprachverarbeitung) (LME)
Involved external institutions
Germany (DE)How to cite
APA:
Brost, A., Bourier, F., Wimmer, A., Koch, M., Kiraly, A., Liao, R.,... Strobel, N. (2012). Real-time circumferential mapping catheter tracking for motion compensation in atrial fibrillation ablation procedures. In Proceedings of the Medical Imaging 2012: Image-Guided Procedures, Robotic Interventions, and Modeling (pp. -). San Diego, CA.
MLA:
Brost, Alexander, et al. "Real-time circumferential mapping catheter tracking for motion compensation in atrial fibrillation ablation procedures." Proceedings of the Medical Imaging 2012: Image-Guided Procedures, Robotic Interventions, and Modeling, San Diego, CA 2012. -.
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