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Does surgery for Scheuermann kyphosis influence sagittal spinopelvic parameters?
Cesare Faldini1, Francesco Traina2, Fabrizio Perna3
1Department 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.
Summary
Surgical correction of Scheuermann
Area of Science:
- Spine surgery
- Orthopedic surgery
- Biomechanical analysis
Background:
- Scheuermann's Kyphosis (SK) is a spinal deformity.
- Surgical correction aims to improve sagittal alignment.
- Spinopelvic parameters (SSPs) are crucial for spinal balance.
Purpose of the Study:
- To evaluate changes in SSPs after surgical treatment for SK.
- To assess the impact of posterior spinal fusion on spinal and pelvic alignment.
Main Methods:
- Retrospective analysis of 20 SK patients.
- Posterior correction using facetectomy, Ponte osteotomy, and pedicle screw instrumentation.
- Measurement of sagittal vertical axis (SVA), thoracic kyphosis (TK), lumbar lordosis (LL), pelvic incidence (PI), sacral slope (SS), and pelvic tilt (PT).
Main Results:
- Significant reduction in thoracic kyphosis (TK) from 78.6° to 45.8° (p=0.003).
- Significant reduction in lumbar lordosis (LL) from 74.5° to 53.5° (p=0.01).
- No significant changes observed in SVA, SS, PT, or PI.
Conclusions:
- Posterior spinal fusion effectively corrects TK and LL in SK patients.
- Pelvic parameters (PI, SS, PT) remained unchanged post-surgery.
- Ponte osteotomy and posterior fusion positively impact spinal alignment in SK.
