Summary
This study validates the use of a novel bi-planar, 3D true spine length measurement (3DTSL) for assessing growth-friendly scoliosis surgery outcomes. Accuracy was assessed using physical models while inter-and intra-rater reliabilities (IRRs) were calculated using the bi-planar radiographs of 23 EOS patients. 3DTSL accuracy was 1.2mm(0.4%) while mean clinical IRRs were 0.948. Between the traditional and 3DTSL measurements there was a discrepancy of 37.8mm (p<0.001). The novel measurement is accurate, repeatable and complements current growth assessments for EOS treatments.
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Author disclosures: Alan Spurway: None. Jennifer Hurry: None. Luke Gauthier: None. Ben Orlik: None. Chukwudi Chukwunyerenwa: None. Waleed Kishta: None. Ron El-Hawary: DePuy Synthes Spine, Medtronic, Halifax Biomedical Inc.
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Spurway, A., Hurry, J., Gauthier, L. et al. Paper #14: Three Dimensional True Spine Length: A Novel Technique for Assessing the Outcomes of Scoliosis Surgery. Spine Deform 4, 452–453 (2016). https://doi.org/10.1016/j.jspd.2016.09.019
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DOI: https://doi.org/10.1016/j.jspd.2016.09.019