• Cesare Faldini, Francesco Traina, Fabrizio Perna, Raffaele Borghi, Konstantinos Martikos, and Tiziana Greggi.
• Department of General Orthopaedics, Department Rizzoli Sicilia, Istituto Ortopedico Rizzoli di Bologna, University of Bologna, Via Giulio Cesare Pupilli 1, 40136, Bologna, Italy. cesare.faldini@ior.it.
• Eur Spine J. 2015 Nov 1; 24 Suppl 7: 893-7.

PurposeTo analyze changes in sagittal spinopelvic parameters (SSPs) after surgical treatment of Scheuermann's Kyphosis (SK).MethodsWe analyzed 20 patients affected by SK and subjected to posterior correction of the kyphosis by facetectomy, Ponte osteotomy, fusion and multilevel instrumentation with pedicle screw system. Four spinal and three pelvic parameters were measured: sagittal vertical axis (SVA), thoracic kyphosis (TK), thoracolumbar kyphosis, lumbar lordosis (LL), pelvic incidence (PI), sacral slope (SS) and pelvic tilt (PT). Analysis of changes in postprocedural SSPs compared to preoperative values was performed.ResultsTK passed from 78.6° preoperatively to 45.8° (p = 0.003). LL passed from 74.5° preoperatively to 53.5° (p = 0.01). No significant changes occurred in SVA, SS, PT and PI compared to preoperative values.ConclusionWe confirm the positive effect of surgery by Ponte osteotomy and posterior spinal fusion on TK and LL in patients with SK. In our experience, pelvic parameters did not change after surgery.

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