Fatih GÖLGELİOĞLU, Aydoğan AŞKIN, Mehmet Cihat GÜNDOĞDU, Mehmet Fatih UZUN, Bige Kağan DEDETÜRK, Mustafa YALIN

Can artificial intelligence algorithms recognize knee arthroplasty implants from X-ray radiographs?

ABSTRACT Aims: This study aimed to investigate the use of a CNN deep learning approach to accurately identify knee arthroplasty implants from X-ray radiographs. This could improve the efficiency and outcomes of revision surgeries. Methods: This retrospective study employed a deep learning convolutional neural network (CNN) system to analyze pre-revision and post-operative knee X-rays from TKA patients. We excluded cases involving unicondylar and revision knee replacements, as well as low-quality or unavailable X-ray images and those with other implants. Ten cruciate-retaining TKA replacement models were assessed from various manufacturers. The training set comprised 69% of the data, with the remaining 31% in the test set, augmented due to limited images. Evaluation metrics included accuracy and F1 score, and we developed the software in Python using the TensorFlow library for the CNN method. A computer scientist with AI expertise managed data processing and testing, calculating specificity, sensitivity, and accuracy to assess CNN performance. Results: In this study, a total of 284 AP and lateral X-rays from 141 patients were examined, encompassing 10 distinct knee prosthesis models from various manufacturers, each with varying X-ray counts. The CNN technique exhibited flawless accuracy, achieving a 100% identification rate for both the manufacturer and model of TKA across all 10 different models. Furthermore, the CNN method demonstrated exceptional specificity and sensitivity, consistently reaching 100% for each individual implant model. Conclusion: This study underscores the impressive capacity of deep learning AI algorithms to precisely identify knee arthroplasty implants from X-ray radiographs. It highlights AI's ability to detect subtle changes imperceptible to humans, execute precise computations, and handle extensive data. The accurate recognition of knee replacement implants using AI algorithms prior to revision surgeries promises to enhance procedure efficiency and outcomes.

Keywords:

Artroplasty, implant, artificial intelligence, detection,

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