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Article

Quantitative Assessment of 3D Printed Model Accuracy in Delineating Congenital Heart Disease

1
Discipline of Medical Radiation Science, Curtin Medical School, Curtin University, GPO Box, U1987, Perth, WA 6845, Australia
2
Discipline of Exploration Geophysics, Western Australian School of Mines, Minerals, Energy and Chemical Engineering, Curtin University, Perth, WA 6845, Australia
*
Author to whom correspondence should be addressed.
Academic Editor: Vladimir N. Uversky
Biomolecules 2021, 11(2), 270; https://doi.org/10.3390/biom11020270
Received: 18 December 2020 / Revised: 3 February 2021 / Accepted: 9 February 2021 / Published: 12 February 2021
Background: Three-dimensional (3D) printing is promising in medical applications, especially presurgical planning and the simulation of congenital heart disease (CHD). Thus, it is clinically important to generate highly accurate 3D-printed models in replicating cardiac anatomy and defects. The present study aimed to investigate the accuracy of the 3D-printed CHD model by comparing them with computed tomography (CT) images and standard tessellation language (STL) files. Methods: Three models were printed, comprising different CHD pathologies, including the tetralogy of Fallot (ToF), ventricular septal defect (VSD) and double-outlet right-ventricle (DORV). The ten anatomical locations were measured in each comparison. Pearson’s correlation coefficient, Bland–Altman analysis and intra-class correlation coefficient (ICC) determined the model accuracy. Results: All measurements with three printed models showed a strong correlation (r = 0.99) and excellent reliability (ICC = 0.97) when compared to original CT images, CT images of the 3D-printed models, STL files and 3D-printed CHD models. Conclusion: This study demonstrated the high accuracy of 3D-printed heart models with excellent correlation and reliability when compared to multiple source data. Further investigation into 3D printing in CHD should focus on the clinical value and the benefits to patients. View Full-Text
Keywords: 3D printing; congenital heart disease; model; simulation; accuracy; comparison 3D printing; congenital heart disease; model; simulation; accuracy; comparison
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MDPI and ACS Style

Lee, S.; Squelch, A.; Sun, Z. Quantitative Assessment of 3D Printed Model Accuracy in Delineating Congenital Heart Disease. Biomolecules 2021, 11, 270. https://doi.org/10.3390/biom11020270

AMA Style

Lee S, Squelch A, Sun Z. Quantitative Assessment of 3D Printed Model Accuracy in Delineating Congenital Heart Disease. Biomolecules. 2021; 11(2):270. https://doi.org/10.3390/biom11020270

Chicago/Turabian Style

Lee, Shenyuan, Andrew Squelch, and Zhonghua Sun. 2021. "Quantitative Assessment of 3D Printed Model Accuracy in Delineating Congenital Heart Disease" Biomolecules 11, no. 2: 270. https://doi.org/10.3390/biom11020270

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