Abstract
Image-based measurements of the deformation of the human heart can be very useful to the surgeon, when assessing the condition and functioning of the patient’s heart. Digital image correlation can provide fast and accurate information about the deformation and motion of the surface of the heart. The deformation measurements can be visualized with colors allowing easy interpretation of the results, which makes this technique even more suitable for use in the operating room. Digital image correlation, however, requires either a natural or an artificial surface pattern with high contrast. The surface of the heart is wet, smooth, and has only a minimal contrast pattern, which cannot easily be improved with artificial markers. This preliminary feasibility study, however, shows that despite the practical and theoretical problems, DIC can provide useful data on the deformation of the human heart during cardiopulmonary bypass surgery. The results show that the natural patterns of the right atrium and ventricle are sufficient for DIC analysis, but significantly better results could be obtained with higher contrast artificial patterns.
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© 2016 The Society for Experimental Mechanics, Inc.
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Hokka, M., Mirow, N., Nagel, H., Vogt, S., Kuokkala, VT. (2016). DIC Measurements of the Human Heart During Cardiopulmonary Bypass Surgery. In: Tekalur, S., Zavattieri, P., Korach, C. (eds) Mechanics of Biological Systems and Materials, Volume 6. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-21455-9_6
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DOI: https://doi.org/10.1007/978-3-319-21455-9_6
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