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Four-dimensional virtual reality cine cardiac models using free open-source software

Abstract

This is a proof-of-concept study to create a four-dimensional (4-D) cine model of the heart and visualize it in virtual reality by using freely available open-source software and inexpensive hardware. Four-dimensional cine models allow for real-time visualization of cardiac structures during processes such as complex congenital heart disease. Such models can be used for patient and trainee education, and potentially for surgical planning. Currently, 3-D printed models are more commonly used, but they are static, showing only one selected phase of the cardiac cycle. Second, they are limited by the selection of clipping planes before printing. Four-dimensional segmentation and virtual reality visualization overcome these limitations. Currently, most of the work in virtual/augmented reality models involves the segmentation of one cardiac phase or the use of expensive software for multiphase segmentation. In this study, we show an approach for multiphase cardiac segmentation as well as its display using free open-source software and relatively inexpensive hardware.

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Correspondence to Sarv Priya.

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Online Supplementary Material 1

Step-by-step approach for multi-phase cardiac segmentation and visualization (PDF 1724 kb)

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Priya, S., Nagpal, P. Four-dimensional virtual reality cine cardiac models using free open-source software. Pediatr Radiol 50, 1617–1623 (2020). https://doi.org/10.1007/s00247-020-04758-2

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Keywords

  • Augmented reality
  • Children
  • Congenital heart disease
  • Dynamic cine cardiac model
  • Four-dimensional models
  • Heart
  • Three-dimensional printing
  • Virtual reality