ArticleFrontiers in medicine2026
Intelligent robot-assisted fracture reduction for pelvic fractures: a clinical study.
Article in Frontiers in medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Review
- Robot-assisted closed reduction and navigated fixation for pelvic ring injuries: a focused narrative review of a reduction-fixation-audit framework.Frontiers in medicine · 2026Review
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: The objective of the study was to evaluate the safety, feasibility, and radiographic outcomes of an intelligent robot-assisted fracture reduction (RAFR) system in the minimally invasive treatment of fresh, unstable pelvic ring injuries. Methods: In this single-center retrospective case series, 32 consecutive patients with unstable pelvic ring injuries (Tile type B or C) treated between August 2024 and April 2025 underwent minimally invasive closed reduction and internal fixation using the RAFR system. The system combines preoperative computed tomography (CT)-based three-dimensional reduction planning, intraoperative cone-beam CT (CBCT) registration, an optical tracking system, a table-mounted passive holding arm, and a robotic arm with dual force-position monitoring. Operative time, intraoperative blood loss, and fluoroscopic exposures were recorded. Postoperative CT was used to measure residual displacement, which was graded according to Matta's criteria, and the excellent-to-good rate was calculated. Functional outcomes were assessed using the Majeed score at the final follow-up. Results: All 32 procedures were completed using a closed, minimally invasive approach without conversion to open reduction. The median (IQR) operative time was 270 (225-311) min, blood loss was 150 (100-300) mL, and fluoroscopic exposures were 35 (30-45). The median residual displacement on CT was 4.0 (3.0-8.0) mm. According to Matta's criteria, 17 patients (53.1%) had excellent, 12 (37.5%) had good, and 3 (9.4%) had fair reductions, yielding an excellent-to-good rate of 90.6%. Two patients were lost to follow-up; among the remaining 30 patients, no major complications such as deep infection, implant failure, or iatrogenic neurovascular injury were observed, and the mean Majeed score was 76.7 ± 12.0. Conclusion: The RAFR system enabled closed reduction and percutaneous fixation of a heterogeneous cohort of unstable pelvic ring fractures with high rates of satisfactory reduction and favorable short-term functional recovery. These preliminary findings support the clinical feasibility and safety of robot-assisted closed reduction for unstable pelvic fractures and provide a basis for future comparative and multicenter studies.
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