AI Article Synopsis
- The choice of the lower vertebra for spinal fixation in adult spinal deformity, particularly around the lumbosacral junction, is debated, with options including stopping fixation at S1 or using lower points like S2AI or iliac screws to prevent implant pullout.
- A new technique for posterior fixation combines S1 screws, iliac screws, and sacro-iliac implants, inspired by triangular pelvic fixation methods used for trauma.
- This study outlines the operative technique using fluoroscopic guidance and shares preliminary results from treating 15 patients, labeled as level IV evidence.
Article Abstract
Introduction And Hypothesis: Optimal choice of the lower instrumented vertebra in the management of adult spinal deformity that include lumbosacral junction is still unclear. It is therefore possible to stop fixation in S1 but also lower (S2AI or iliac screws) in order to reduce the risk of implants pullout. In such situations, mechanical solicitations can lead to secondary degradation of sacro-iliac joints.
Technique And Results: Based on triangular pelvic fixation described for pelvic trauma, a posterior only fixation that combine S1 screws, iliac screws and sacro-iliac implants can be performed.
Discussion: We are describing here the operative technique of this « bedrock » fixation under fluoroscopic guidance and its preliminary results about 15 patients.
Level Of Evidence: IV.
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| http://dx.doi.org/10.1016/j.otsr.2024.104081 | DOI Listing |
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