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Updated: May 20, 2026
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Three-Dimensional Preoperative Virtual Planning in Derotational Proximal Femoral Osteotomy
Published on: February 17, 2023
Digital planning of high tibial osteotomy. Interrater reliability by using two different software
Steffen Schröter1, Christoph Ihle, Johannes Mueller
1Department of Traumatology and Reconstructive Surgery, BG Traumacenter Tübingen, Eberhard Karls University Tübingen, Schnarrenbergstr 95, 72076, Tübingen, Germany. schroeter.steffen@t-online.de
Summary
Digital planning software for osteotomies showed high interrater reliability and correlation between mediCAD® and PreOPlan®. Observer experience did not impact results, confirming software suitability for clinical use.
Area of Science:
- Orthopedic surgery
- Medical imaging analysis
- Surgical planning software
Background:
- Digital planning software is increasingly used for osteotomies.
- Accurate deformity analysis and surgical planning are crucial for successful osteotomy outcomes.
Purpose of the Study:
- To evaluate the interrater reliability of mediCAD® and PreOPlan® software.
- To assess the correlation between these two digital planning tools for osteotomies.
Main Methods:
- Digital radiographs from 81 patients undergoing high tibial osteotomy were analyzed.
- Deformity analysis and osteotomy planning were performed by observers using landmark-based software.
- Interrater reliability was assessed using intraclass correlation coefficients (ICCs).
Main Results:
- Both mediCAD® and PreOPlan® demonstrated high interrater reliability for various measurements (ICCs ranging from 0.841 to 0.995).
- Observer experience did not significantly influence the reliability of the digital planning results.
- High correlation was found between the two software platforms for specific planning parameters.
Conclusions:
- Digital planning software exhibits high interrater reliability for deformity analysis and osteotomy planning.
- The software is suitable for clinical application, including correspondence, teaching, and medicolegal documentation.
- Surgeons should master digital limb geometry measurements and osteotomy planning using these validated tools.