ArticleEuropean journal of trauma and emergency surgery : official publication of the European Trauma Society2023
The ideal site of cement application in cement augmented sacroiliac screw fixation: the biomechanical perspective.
Article in European journal of trauma and emergency surgery : official publication of the European Trauma Society, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 7 citations in OpenAlex.
- Optimized posterior starting point of sacral-alar-iliac screw/reverse sacral-alar-iliac screw for sacroiliac joint fixation: experimental study and preliminary application.BMC musculoskeletal disorders · 2026Article
- Triangular Screw Placement to Treat Dysmorphic Sacral Fragility Fractures in Osteoporotic Bone Results in an Equivalent Stability to Cement-Augmented Sacroiliac Screws-A Biomechanical Cadaver Study.Journal of clinical medicine · 2025Article
- Chronic pelvic insufficiency fractures and their treatment.Archives of orthopaedic and trauma surgery · 2024Review
- [Diagnostics and treatment of insufficiency fractures of the pelvis].Unfallchirurgie (Heidelberg, Germany) · 2024Review
- Effective treatment of highest instability in a subacute fragility fracture of the pelvis (FFP IV) using a cement augmented transsacral screw only.Trauma case reports · 2023Article
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7 authors at 3 institutions in 2 countries.
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Abstract
purposeTo compare construct stability of cement augmented sacroiliac screws using two different cementation sites in a biomechanical fragility fracture model of the pelvis.
methodsA fracture model with an incomplete fracture of the sacral ala and complete fracture of the anterior pelvic ring mimicking a FFP IIB fragility fracture of the pelvis was established in five fresh frozen human cadaveric pelvises. Sacral fracture stabilization was achieved with bilateral 7.3 mm fully threaded sacroiliac screws. Cement augmentation was performed at the tip of the screw (body of S1; Group A) on one side, and at the midshaft of the screw (sacral ala; Group B) on the contralateral side. Biomechanical testing was conducted separately on both sides comprising cyclic loading of axial forces transferred through the tested hemipelvis from L5 to the ipsilateral acetabulum. Combined angular displacement in flexion and internal rotation ("gap angle"), angular displacement of the ilium in relation to the screw ("screw tilt ilium"), and screw tip cutout were evaluated.
resultsRelative interfragmentary movements were associated with significantly higher values in group A versus group B for "gap angle" (2.4° vs. 1.4°; p < 0.001), and for "screw tilt ilium" (3.3° vs. 1.4°; p < 0.001), respectively. No significant difference was indicated for screw tip cutout between the two groups (0.6 mm [Group A] vs. 0.8 mm [Group B]; p = 0.376).
conclusionThe present study demonstrated less fragment and screw displacements in a FFP IIB fracture model under physiologic cyclic loading by cement augmentation of sacroiliac screws at the level of the lateral mass compared to the center of vertebral body of S1.
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