ArticleSurgical neurology international2017
[Trajectory of lumbar and sacral pedicular screws: Comparison between midline versus wiltse approach].
Article in Surgical neurology international, 2017. 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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7 authors at 3 institutions in 1 country.
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Abstract
objectivesTo compare the posterolateral Wiltse approach and conventional Midline approach in short lumbosacral fusions in terms of the angle of convergence of pedicle screws.
methodsWe retrospectively reviewed computed tomography (CT) images of 76 lumbar and sacral pedicular screws that had been placed using a conventional midline approach (CA) (
resultsConsidering all implants, the angle of convergence was 23.3° (±15.8). The mean angulation in the WA group was 29.3° (±9.7), whereas in the CA group it was 17.2° (±0.6). This difference was statistically significant (
conclusionsIn short, lumbosacral fusion employing the Wiltse approach allowed placement of pedicle implants with more convergence than the conventional midline approach. The clinical relevance of this is unknown, and prospective randomized studies are needed to clarify this.
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