ArticleFrontiers in surgery2026
Clinical efficacy and biomechanical analysis of 3D-printed guide plate-assisted cannulated screw fixation compared with conventional fixation in complex acetabular fractures.
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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10 authors.
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Abstract
Background: Optimal fixation for pelvic and acetabular fractures remains challenging due to competing demands for stability and minimally invasive surgery. This study combined finite element (FE) modeling and a retrospective clinical analysis to compare three fixation strategies. Methods: A three-dimensional FE model of a representative both-column acetabular fracture was constructed to compare cannulated screw-only, plate-only, and combined cannulated screw-plate fixation under simulated standing and sitting conditions. Clinically, patients with acetabular fractures treated between November 2021 and May 2023 were retrospectively grouped into 3D-printed guide plate-assisted cannulated screw plus plate ( Results: FE analysis showed higher stress and displacement under sitting than standing across all constructs, with combined cannulated screw-plate fixation providing better fracture-line displacement control than screw-only fixation, particularly under sitting conditions. Clinically, after multivariable adjustment, the 3D-printed guide group had significantly shorter operative time than the plate-only group and the conventional screw plus plate group (-56.15 min, Conclusions: Combined cannulated screw-plate fixation provides superior biomechanical stability for complex acetabular fractures, while patient-specific 3D-printed guide plate significantly improve perioperative efficiency without compromising short-term safety or functional recovery.
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