Patient-specific cardiac phantom for clinical training and preprocedure surgical planning

Justin Laing; John T. Moore; Reid Vassallo; Daniel Bainbridge; Maria Drangova; Terry M. Peters

doi:10.1117/1.JMI.5.2.021222

23 March 2018 Patient-specific cardiac phantom for clinical training and preprocedure surgical planning

Justin Laing, John T. Moore, Reid Vassallo, Daniel Bainbridge, Maria Drangova, Terry M. Peters

Author Affiliations +

Funded by: Natural Sciences Engineering Research Council of Canada, Natural Sciences Engineering Council of Canada, Canadian Foundation for Imaging, Canadian Institute for Health Research

Journal of Medical Imaging, Vol. 5, Issue 2, 021222 (March 2018). https://doi.org/10.1117/1.JMI.5.2.021222

Abstract

Minimally invasive mitral valve repair procedures including MitraClip® are becoming increasingly common. For cases of complex or diseased anatomy, clinicians may benefit from using a patient-specific cardiac phantom for training, surgical planning, and the validation of devices or techniques. An imaging compatible cardiac phantom was developed to simulate a MitraClip® procedure. The phantom contained a patient-specific cardiac model manufactured using tissue mimicking materials. To evaluate accuracy, the patient-specific model was imaged using computed tomography (CT), segmented, and the resulting point cloud dataset was compared using absolute distance to the original patient data. The result, when comparing the molded model point cloud to the original dataset, resulted in a maximum Euclidean distance error of 7.7 mm, an average error of 0.98 mm, and a standard deviation of 0.91 mm. The phantom was validated using a MitraClip® device to ensure anatomical features and tools are identifiable under image guidance. Patient-specific cardiac phantoms may allow for surgical complications to be accounted for preoperative planning. The information gained by clinicians involved in planning and performing the procedure should lead to shorter procedural times and better outcomes for patients.

Citation Download Citation

Justin Laing, John T. Moore, Reid Vassallo, Daniel Bainbridge, Maria Drangova, and Terry M. Peters "Patient-specific cardiac phantom for clinical training and preprocedure surgical planning," Journal of Medical Imaging 5(2), 021222 (23 March 2018). https://doi.org/10.1117/1.JMI.5.2.021222

Received: 22 September 2017; Accepted: 5 March 2018; Published: 23 March 2018

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