ArticleNeurosurgical focus: Video2026
Modification of navigated S2-alar iliac minimally invasive pelvic fixation to facilitate ease of rod passage.
Article in Neurosurgical focus: Video, 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
Rod alignment in minimally invasive spine (MIS) pelvic fixation using a traditional S2-alar iliac (S2-AI) starting point can be challenging, often requiring substantial rod contouring because of the medial to lateral angulation of the S2-AI tulip relative to the S1 screw. The authors describe a modified pelvic fixation strategy to optimize alignment between the pelvic screw and S1 screw through a more lateral entry point, near the sacroiliac joint. This adjustment facilitates smoother rod passage and easier set screw seating. Intraoperative navigation is critical in safely identifying the starting point and planning the construct alignment. The video can be found here: https://stream.cadmore.media/r10.3171/2026.4.FOCVID2648.
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