@inproceedings{8a04be4256334f8abfbeed7e3af16a9c,
title = "Comparing image-based respiratory motion correction methods for anatomical roadmap guided cardiac electrophysiology procedures",
abstract = "X-ray fluoroscopically guided cardiac electrophysiological procedures are routinely carried out for diagnosis and treatment of cardiac arrhythmias. X-ray images have poor soft tissue contrast and, for this reason, overlay of static 3D roadmaps derived from pre-procedural volumetric data can be used to add anatomical information. However, the registration between the 3D roadmap and the 2D X-ray data can be compromised by patient respiratory motion. Three methods were evaluated to correct for respiratory motion using features in the X-ray image data. The first method is based on tracking either the diaphragm or the heart border using the image intensity in a region of interest. The second method detects the tracheal bifurcation using the generalized Hough transform and a 3D model derived from pre-operative image data. The third method is based on tracking the coronary sinus (CS) catheter. All three methods were applied to X-ray images from 18 patients undergoing radiofrequency ablation for the treatment of atrial fibrillation. The 2D target registration errors (TRE) at the pulmonary veins were calculated to validate the methods. A TRE of 1.6 mm ± 0.8 mm was achieved for the diaphragm tracking; 1.7 mm ± 0.9 mm for heart border tracking; 1.9 mm ± 1.0 mm for trachea tracking and 1.8 mm ± 0.9 mm for CS catheter tracking. We also present a comparison between our techniques with other published image-based motion correction strategies.",
author = "YingLiang Ma and King, {Andy P.} and Nicolas Gogin and Geert Gijsbers and Rinaldi, {C. Aldo} and Jaswinder Gill and Reza Razavi and Rhode, {Kawal S.}",
year = "2011",
doi = "10.1007/978-3-642-21028-0_7",
language = "English",
isbn = "978-3-642-21027-3",
series = "Lecture Notes in Computer Science",
publisher = "Springer",
pages = "55–62",
editor = "Metaxas, {Dimitris N.} and Leon Axel",
booktitle = "Functional Imaging and Modeling of the Heart",
address = "Germany",
}