ArticleJournal of orthopaedic surgery and research2024
Accuracy of intertrochanteric osteotomy for patients with slipped capital femoral epiphysis operated with 3D printed patient-specific guides.
Article in Journal of orthopaedic surgery and research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Development of a new operative 3D printed template-cranioplasty-concept for performing craniotomy in the posterior cranial fossa and validation of the system using a 3D printed simulation model: a preclinical feasibility study.3D printing in medicine · 2026Article
- Digital three-dimensional planning combined with 3D-printed patient-specific guide-assisted step-cut osteotomy for correction of old cubitus varus deformity: a case report.Frontiers in surgery · 2026Article
- AI-navigated shoulder injection: precision, real-time learning and clinical translation.Frontiers in artificial intelligence · 2026Review
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5 authors.
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Abstract
backgroundSlipped Capital Femoral Epiphysis (SCFE), is one of the most common hip disorders in adolescents, and is treated surgically by performing an Imhäuser osteotomy. The use of 3D printed guides has shown promise in improving the accuracy of the osteotomy. However, misplacement of the guide may limit the improvement. Therefore, the aim of this study was to investigate, postoperatively, the degree of malalignment of 3D printed guides compared to the 3D planning.
methodsPatients who underwent surgery between April 2018 and October 2022 and underwent postoperative CT were included in this study. The preoperative CT was used for 3D planning of surgical treatment using 3D printed patient-specific guides and plates. The positioning error of the femoral head and of the patient-specific guide and plate was quantified by analysing the postoperative CT scans using custom software.
resultsFive SCFE patients were included in the study. Femoral head malalignment improved from 16 to 40 mm preoperatively to 11-17 mm postoperatively. Rotational malalignment improved from 29-63⁰ preoperatively to 15-31⁰ postoperatively. Residual error was mostly attributed to plate malposition, with residual translation in the range of 3-13 mm and rotation of 8-28⁰.
conclusionAlthough the postoperative position improved after surgery with 3D printed surgical guides and plates, there was a residual deviation from the planned position persisted. Further research is recommended to improve the design, accuracy of guide placement and surgery in this anatomically challenging region.
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