ArticleFrontiers in surgery2026
Three-dimensional virtual modeling for lower limb deformity correction over intramedullary nail.
Article in Frontiers in surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: The use of intramedullary nails (IMNs) for deformity correction and limb lengthening has become increasingly established. However, performing acute deformity correction over an IMN remains technically demanding. The purpose of this study was to describe the application of 3D virtual surgical planning and patient specific 3D-printed cutting guides for the management of complex lower-limb deformities in young patients. Methods: This retrospective, single-center study included 21 patients (mean age: 12 years) who underwent surgery using IMNs for complex lower-limb deformities correction between May 2019 and June 2024. Virtual 3D femoral and tibial models were created for preoperative planning and used to design patient-specific cutting guides for the surgical correction. All patients were evaluated for preoperative and postoperative anteroposterior and lateral deformity angles, time to osteotomy union, and complications. Results: Twenty-one patients underwent correction of 23 extremities. According to an Conclusion: Three-dimensional virtual planning and patient-specific cutting guides represent effective adjuncts for correcting complex lower-limb deformities using intramedullary nails in pediatric patients. This approach enhances the accuracy of preoperative planning and facilitates more precise and controlled surgical execution.
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