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Fast catheter segmentation from echocardiographic sequences based on segmentation from corresponding X-ray fluoroscopy for cardiac catheterization interventions (2015)
Journal Article
Wu, X., Housden, J., Ma, Y., Razavi, B., Rhode, K., & Rueckert, D. (2015). Fast catheter segmentation from echocardiographic sequences based on segmentation from corresponding X-ray fluoroscopy for cardiac catheterization interventions. IEEE Transactions on Medical Imaging, 34(4), 861-876. https://doi.org/10.1109/TMI.2014.2360988

© 2014 IEEE. Echocardiography is a potential alternative to X-ray fluoroscopy in cardiac catheterization given its richness in soft tissue information and its lack of ionizing radiation. However, its small field of view and acoustic artifacts make di... Read More about Fast catheter segmentation from echocardiographic sequences based on segmentation from corresponding X-ray fluoroscopy for cardiac catheterization interventions.

Novel system for real-time integration of 3-D echocardiography and fluoroscopy for image-guided cardiac interventions: Preclinical validation and clinical feasibility evaluation (2014)
Journal Article
Arujuna, A. V., Housden, R. J., Ma, Y., Rajani, R., Gao, G., Nijhof, N., …Rhode, K. S. (2014). Novel system for real-time integration of 3-D echocardiography and fluoroscopy for image-guided cardiac interventions: Preclinical validation and clinical feasibility evaluation. IEEE Journal of Translational Engineering in Health and Medicine, 2, https://doi.org/10.1109/JTEHM.2014.2303799

© 2015 IEEE. Real-time imaging is required to guide minimally invasive catheter-based cardiac interventions. While transesophageal echocardiography allows for high-quality visualization of cardiac anatomy, X-ray fluoroscopy provides excellent visuali... Read More about Novel system for real-time integration of 3-D echocardiography and fluoroscopy for image-guided cardiac interventions: Preclinical validation and clinical feasibility evaluation.

Surface flattening of the human left atrium and proof-of-concept clinical applications (2014)
Journal Article
Karim, R., Ma, Y. L., Jang, M., Housden, R. J., Williams, S. E., Chen, Z., …Rhode, K. S. (2014). Surface flattening of the human left atrium and proof-of-concept clinical applications. Computerized Medical Imaging and Graphics, 38(4), 251-266. https://doi.org/10.1016/j.compmedimag.2014.01.004

Surface flattening in medical imaging has seen widespread use in neurology and more recently in cardiology to describe the left ventricle using the bull's-eye plot. The method is particularly useful to standardize the display of functional informatio... Read More about Surface flattening of the human left atrium and proof-of-concept clinical applications.

A statistical method for retrospective cardiac and respiratory motion gating of interventional cardiac x-ray images (2014)
Journal Article
Rhode, K. S., Rinaldi, C. A., O'Neill, M., Housden, R. J., King, A. P., Panayiotou, M., …Rhode, K. (2014). A statistical method for retrospective cardiac and respiratory motion gating of interventional cardiac x-ray images. Medical Physics, 41(7), 071901. https://doi.org/10.1118/1.4881140

Purpose: Image-guided cardiac interventions involve the use of fluoroscopic images to guide the insertion and movement of interventional devices. Cardiorespiratory gating can be useful for 3D reconstruction from multiple x-ray views and for reducing... Read More about A statistical method for retrospective cardiac and respiratory motion gating of interventional cardiac x-ray images.

A statistical model of catheter motion from interventional x-ray images: Application to image-based gating (2013)
Journal Article
O'Neill, M., Panayiotou, M., King, A. P., Ma, Y., Housden, R. J., Rinaldi, C. A., …Rhode, K. S. (2013). A statistical model of catheter motion from interventional x-ray images: Application to image-based gating. Physics in Medicine and Biology, 58(21), 7543-7562. https://doi.org/10.1088/0031-9155/58/21/7543

The motion and deformation of catheters that lie inside cardiac structures can provide valuable information about the motion of the heart. In this paper we describe the formation of a novel statistical model of the motion of a coronary sinus (CS) cat... Read More about A statistical model of catheter motion from interventional x-ray images: Application to image-based gating.

Real-time x-ray fluoroscopy-based catheter detection and tracking for cardiac electrophysiology interventions (2013)
Journal Article
Ma, Y., Gogin, N., Cathier, P., Housden, R. J., Gijsbers, G., Cooklin, M., …Rhode, K. S. (2013). Real-time x-ray fluoroscopy-based catheter detection and tracking for cardiac electrophysiology interventions. Medical Physics, 40(7), 071902-1. https://doi.org/10.1118/1.4808114

Purpose: X-ray fluoroscopically guided cardiac electrophysiology (EP) procedures are commonly carried out to treat patients with arrhythmias. X-ray images have poor soft tissue contrast and, for this reason, overlay of a three-dimensional (3D) roadma... Read More about Real-time x-ray fluoroscopy-based catheter detection and tracking for cardiac electrophysiology interventions.

An integrated platform for image-guided cardiac resynchronization therapy (2012)
Journal Article
Rhode, K. S., Rinaldi, C. A., Shetty, A. K., Ma, Y. L., Shetty, A. K., Duckett, S., …Rhode, K. S. (2012). An integrated platform for image-guided cardiac resynchronization therapy. Physics in Medicine and Biology, 57(10), 2953-2968. https://doi.org/10.1088/0031-9155/57/10/2953

Cardiac resynchronization therapy (CRT) is an effective procedure for patients with heart failure but 30% of patients do not respond. This may be due to sub-optimal placement of the left ventricular (LV) lead. It is hypothesized that the use of cardi... Read More about An integrated platform for image-guided cardiac resynchronization therapy.

Multi-site left ventricular pacing as a potential treatment for patients with postero-lateral scar: Insights from cardiac magnetic resonance imaging and invasive haemodynamic assessment (2012)
Journal Article
Ginks, M. R., Duckett, S. G., Kapetanakis, S., Bostock, J., Hamid, S., Shetty, A., …Rinaldi, C. A. (2012). Multi-site left ventricular pacing as a potential treatment for patients with postero-lateral scar: Insights from cardiac magnetic resonance imaging and invasive haemodynamic assessment. EP-Europace, 14(3), 373-379. https://doi.org/10.1093/europace/eur336

Aims Multi-site left ventricular (LV) pacing may be superior to single-site stimulation in correcting dyssynchrony and avoiding areas of myocardial scar. We sought to characterize myocardial scar using cardiac magnetic resonance imaging (CMR). We aim... Read More about Multi-site left ventricular pacing as a potential treatment for patients with postero-lateral scar: Insights from cardiac magnetic resonance imaging and invasive haemodynamic assessment.

The acute hemodynamic response to LV pacing within individual branches of the coronary sinus using a quadripolar lead (2012)
Journal Article
Liang, Y., Shetty, A. K., Duckett, S. G., Ma, Y., Kapetanakis, S., Ginks, M., …Rinaldi, C. A. (2012). The acute hemodynamic response to LV pacing within individual branches of the coronary sinus using a quadripolar lead. Pacing and Clinical Electrophysiology, 35(2), 196-203. https://doi.org/10.1111/j.1540-8159.2011.03268.x

Background: It is not clear whether there is a large difference in acute hemodynamic response (AHR) to left ventricle (LV) pacing in different regions of the same coronary sinus (CS) vein. Using the four electrodes available on a Quartet LV lead, we... Read More about The acute hemodynamic response to LV pacing within individual branches of the coronary sinus using a quadripolar lead.

Registration of 3D trans-esophageal echocardiography to X-ray fluoroscopy using image-based probe tracking (2012)
Journal Article
Aldo Rinaldi, C., Gao, G., Penney, G., Ma, Y., Gogin, N., Cathier, P., …Rhode, K. (2012). Registration of 3D trans-esophageal echocardiography to X-ray fluoroscopy using image-based probe tracking. Medical Image Analysis, 16(1), 38-49. https://doi.org/10.1016/j.media.2011.05.003

Two-dimensional (2D) X-ray imaging is the dominant imaging modality for cardiac interventions. However, the use of X-ray fluoroscopy alone is inadequate for the guidance of procedures that require soft-tissue information, for example, the treatment o... Read More about Registration of 3D trans-esophageal echocardiography to X-ray fluoroscopy using image-based probe tracking.

Clinical evaluation of respiratory motion compensation for anatomical roadmap guided cardiac electrophysiology procedures (2012)
Journal Article
Rinaldi, C. A., Ma, Y., King, A. P., Gogin, N., Gijsbers, G., Rinaldi, C. C., …Rhode, K. S. (2012). Clinical evaluation of respiratory motion compensation for anatomical roadmap guided cardiac electrophysiology procedures. IEEE Transactions on Biomedical Engineering, 59(1), 122-131. https://doi.org/10.1109/TBME.2011.2168393

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 3-D roadmaps deriv... Read More about Clinical evaluation of respiratory motion compensation for anatomical roadmap guided cardiac electrophysiology procedures.

Advanced image fusion to overlay coronary sinus anatomy with real-time fluoroscopy to facilitate left ventricular lead implantation in CRT (2011)
Journal Article
Ginks, M. R., Duckett, S. G., Ginks, M. R., Knowles, B. R., Ma, Y., Shetty, A., …Rinaldi, C. A. (2011). Advanced image fusion to overlay coronary sinus anatomy with real-time fluoroscopy to facilitate left ventricular lead implantation in CRT. Pacing and Clinical Electrophysiology, 34(2), 226-234. https://doi.org/10.1111/j.1540-8159.2010.02940.x

Background: Failure rate for left ventricular (LV) lead implantation in cardiac resynchronization therapy (CRT) is up to 12%. The use of segmentation tools, advanced image registration software, and high-fidelity images from computerized tomography (... Read More about Advanced image fusion to overlay coronary sinus anatomy with real-time fluoroscopy to facilitate left ventricular lead implantation in CRT.