Cryo-balloon catheter position planning using AFiT

Andreas Kleinoeder; Alexander Brost; Felix Bourier; Martin Koch; Klaus Kurzidim; Joachim Hornegger; Norbert Strobel

doi:10.1117/12.911303

17 February 2012 Cryo-balloon catheter position planning using AFiT

Andreas Kleinoeder, Alexander Brost, Felix Bourier, Martin Koch, Klaus Kurzidim, Joachim Hornegger, Norbert Strobel

Proceedings Volume 8316, Medical Imaging 2012: Image-Guided Procedures, Robotic Interventions, and Modeling; 83162R (2012) https://doi.org/10.1117/12.911303
Event: SPIE Medical Imaging, 2012, San Diego, California, United States

Abstract

Atrial fibrillation (AFib) is the most common heart arrhythmia. In certain situations, it can result in life-threatening complications such as stroke and heart failure. For paroxsysmal AFib, pulmonary vein isolation (PVI) by catheter ablation is the recommended choice of treatment if drug therapy fails. During minimally invasive procedures, electrically active tissue around the pulmonary veins is destroyed by either applying heat or cryothermal energy to the tissue. The procedure is usually performed in electrophysiology labs under fluoroscopic guidance. Besides radio-frequency catheter ablation devices, so-called single-shot devices, e.g., the cryothermal balloon catheters, are receiving more and more interest in the electrophysiology (EP) community. Single-shot devices may be advantageous for certain cases, since they can simplify the creation of contiguous (gapless) lesion sets around the pulmonary vein which is needed to achieve PVI. In many cases, a 3-D (CT, MRI, or C-arm CT) image of a patient's left atrium is available. This data can then be used for planning purposes and for supporting catheter navigation during the procedure. Cryo-thermal balloon catheters are commercially available in two different sizes. We propose the Atrial Fibrillation Planning Tool (AFiT), which visualizes the segmented left atrium as well as multiple cryo-balloon catheters within a virtual reality, to find out how well cryo-balloons fit to the anatomy of a patient's left atrium. First evaluations have shown that AFiT helps physicians in two ways. First, they can better assess whether cryoballoon ablation or RF ablation is the treatment of choice at all. Second, they can select the proper-size cryo-balloon catheter with more confidence.

Citation Download Citation

Andreas Kleinoeder, Alexander Brost, Felix Bourier, Martin Koch, Klaus Kurzidim, Joachim Hornegger, and Norbert Strobel "Cryo-balloon catheter position planning using AFiT", Proc. SPIE 8316, Medical Imaging 2012: Image-Guided Procedures, Robotic Interventions, and Modeling, 83162R (17 February 2012); https://doi.org/10.1117/12.911303

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