Orthopedics

Comprehensive Summary

This literature review showcases the development of an AI-powered algorithm for automatically measuring minimum joint space width (mJSW) in the medial and lateral compartments of the knee, which is a critical metric medical practitioner use for assessing osteoarthritis progression. Researchers developed an end-to-end pipeline combining a deep learning segmentation model with a computer vision algorithm to measure mJSW on anteroposterior knee radiographs. A dataset of 583 segmented images was used to train, validate, and test the deep learning model in addition to 330 independent images, which were used to validate the algorithm’s accuracy and compare it against human measurements. The model achieved high performance with a dice score of 0.92. The mean absolute error between human and AI measurements was 0.85 ± 1.20 mm, with a minimal mean error of 0.019 mm, which demonstrates no significant bias toward over- or underestimating mJSW. More notably, 73.2% of AI measurements were within 1 mm of human measurements.

Outcomes and Implications

This AI-based mJSW measurement tool has a significant impact on future osteoarthritis research and clinical practice. Automating mJSW analysis, eliminates the need for time-consuming manual measurements, making large-scale population studies on knee osteoarthritis progression much more efficient. The algorithm enables rapid and objective tracking of joint space narrowing over time, allowing physicians to monitor arthritis progression more accurately during routine visits. This tool could be integrated into radiology workflows to enhance diagnostic precision and inform treatment decisions.

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© 2025 AIIM. Created by AIIM IT Team

AIIM Research

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© 2025 AIIM. Created by AIIM IT Team

AIIM Research

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© 2025 AIIM. Created by AIIM IT Team