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A computational tool for automatic selection of total knee replacement implant size using x-ray images
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fbioe-10-971096.pdf | Published version | 1.34 MB | Adobe PDF | View/Open |
Title: | A computational tool for automatic selection of total knee replacement implant size using x-ray images |
Authors: | Burge, T Jones, G Jordan, C Jeffers, J Myant, C |
Item Type: | Journal Article |
Abstract: | Purpose: The aim of this study was to outline a fully automatic tool capable of reliably predicting the most suitable total knee replacement implant sizes for patients, using bi-planar X-ray images. By eliminating the need for manual templating or guiding software tools via the adoption of convolutional neural networks, time and resource requirements for pre-operative assessment and surgery could be reduced, the risk of human error minimized, and patients could see improved outcomes. Methods: The tool utilizes a machine learning-based 2D – 3D pipeline to generate accurate predictions of subjects’ distal femur and proximal tibia bones from X-ray images. It then virtually fits different implant models and sizes to the 3D predictions, calculates the implant to bone root-mean-squared error and maximum over/under hang for each, and advises the best option for the patient. The tool was tested on 78, predominantly White subjects (45 female/33 male), using generic femur component and tibia plate designs scaled to sizes obtained for five commercially available products. The predictions were then compared to the ground truth best options, determined using subjects’ MRI data. Results: The tool achieved average femur component size prediction accuracies across the five implant models of 77.95% in terms of global fit (root-mean-squared error), and 71.79% for minimizing over/underhang. These increased to 99.74% and 99.49% with ±1 size permitted. For tibia plates, the average prediction accuracies were 80.51% and 72.82% respectively. These increased to 99.74% and 98.98% for ±1 size. Better prediction accuracies were obtained for implant models with fewer size options, however such models more frequently resulted in a poor fit. Conclusion: A fully automatic tool was developed and found to enable higher prediction accuracies than generally reported for manual templating techniques, as well as similar computational methods. |
Issue Date: | 29-Sep-2022 |
Date of Acceptance: | 24-Aug-2022 |
URI: | http://hdl.handle.net/10044/1/99483 |
ISSN: | 2296-4185 |
Publisher: | Frontiers Media |
Start Page: | 1 |
End Page: | 11 |
Journal / Book Title: | Frontiers in Bioengineering and Biotechnology |
Volume: | 10 |
Copyright Statement: | © 2022 Burge, Jones, Jordan, Jeffers and Myant. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. |
Sponsor/Funder: | Glaxosmithkline Research and Development Ltd National Institute for Health Research |
Funder's Grant Number: | PO 3002087163 NIHR300013 |
Keywords: | Science & Technology Life Sciences & Biomedicine Biotechnology & Applied Microbiology Multidisciplinary Sciences Science & Technology - Other Topics total knee replacement medical implants computer assisted surgery automated workflows pre-operative assessment convolutional neural networks machine learning COMPONENT COVERAGE FIT automated workflows computer assisted surgery convolutional neural networks machine learning medical implants pre-operative assessment total knee replacement 0699 Other Biological Sciences 0903 Biomedical Engineering 1004 Medical Biotechnology |
Publication Status: | Published |
Article Number: | 971096 |
Online Publication Date: | 2022-09-29 |
Appears in Collections: | Mechanical Engineering Department of Surgery and Cancer Faculty of Medicine Dyson School of Design Engineering Faculty of Engineering |
This item is licensed under a Creative Commons License