ArticleJournal of orthopaedic surgery and research2024
Biomechanical and clinical outcomes of 3D-printed versus modular hemipelvic prostheses for limb-salvage reconstruction following periacetabular tumor resection: a mid-term retrospective cohort study.
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 13 papers, 1 of them a synthesis that pooled it.
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Who cites it
13 citing papers in PubMed, 1 synthesis or guideline pooled it, 13 citations in OpenAlex.
- Enhanced Functional and Surgical Outcomes With 3D Printing in Orthopedic Oncology: A Comparative Meta-Analysis Against Conventional Techniques.Journal of surgical oncology · 2025Pooled it
- The Reconstructive Pelvic Anatomy classification system : a valid and reliable classification system for pelvic reconstruction.Bone & joint open · 2026Article
- Outcomes and Complications After LUMiCLife (Basel, Switzerland) · 2026Article
- Complications of PI to PIII hemipelvic resections for intermediate and malignant tumours : a systematic review and meta-analysis.Bone & joint open · 2026Article
- Biomechanical comparison of two fixation constructs for displaced quadrilateral surface acetabular fractures: a finite elements analysis.BMC musculoskeletal disorders · 2025Article
- Effectiveness of Three-Dimensional Printing in the Management of Orthopedic Sarcoma Patients: A Systematic Review.Cureus · 2025Review
- Integrating techniques to optimize outcomes: durable hybrid reconstruction of a metastatic periacetabular pathologic fracture - a case report.International journal of surgery case reports · 2025Article
- Clinical Application of 3D-Printed Custom Hemipelvic Prostheses With Negative Poisson's Ratio Porous Structures in Reconstruction After Resection of Pelvic Malignant Tumors.Orthopaedic surgery · 2025Article
- Exploring the optimal reconstruction strategy for Enneking III defects in pelvis bone tumors: a finite element analysis.Journal of orthopaedic surgery and research · 2025Article
- Review
- [Research progress in repair and reconstruction of tumor-related bone defects in proximal femur].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2024Review
- Modular Hemipelvic Prosthesis Preserves Normal Biomechanics and Showed Good Compatibility: A Finite Element Analysis.Journal of functional biomaterials · 2024Article
- Advanced Pelvic Girdle Reconstruction with three dimensional-printed Custom Hemipelvic Endoprostheses following Pelvic Tumour Resection.International orthopaedics · 2024Article
Corrections and comments
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8 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundDebates persist over optimal pelvic girdle reconstruction after acetabular tumor resection, with surgeons grappling between modular and 3D-printed hemipelvic endoprostheses. We hypothesize superior outcomes with 3D-printed versions, yet scarce comparative research exists. This study fills the gap, examining biomechanics and clinical results retrospectively.
methodsFrom February 2017 to June 2021, we retrospectively assessed 32 patients undergoing en bloc resection for malignant periacetabular tumors at a single institution. PRIMARY OUTCOME: limb function. SECONDARY OUTCOMES: implant precision, hip joint rotation center restoration, prosthesis-bone osteointegration, and complications. Biomechanical characteristics were evaluated through finite element analysis on pelvic defect models.
resultsIn the 3D-printed group, stress distribution mirrored a normal pelvis, contrasting the modular group with elevated overall stress, unstable transitions, and higher stress peaks. The 3D-printed group exhibited superior functional scores (MSTS: 24.3 ± 1.8 vs. 21.8 ± 2.0, p < 0.05; HHS: 79.8 ± 5.2 vs. 75.3 ± 3.5, p < 0.05). Prosthetic-bone interface osteointegration, measured by T-SMART, favored 3D-printed prostheses, but surgery time (426.2 ± 67.0 vs. 301.7 ± 48.6 min, p < 0.05) and blood loss (2121.1 ± 686.8 vs. 1600.0 ± 505.0 ml, p < 0.05) were higher.
conclusionsThe 3D-printed hemipelvic endoprosthesis offers precise pelvic ring defect matching, superior stress transmission, and function compared to modular endoprostheses. However, complexity, fabrication expertise, and challenging surgical implantation result in prolonged operation times and increased blood loss. A nuanced consideration of functional outcomes, complexity, and patient conditions is crucial for informed treatment decisions. LEVEL OF EVIDENCE: Level III, therapeutic study (Retrospective comparative study).
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