[Pseudarthrosis and construct failure after lumbar pedicle subtraction osteotomy : Influence of biomechanics, surgical technique, biology and avoidance strategies].
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DOI: 10.1007/s00132-018-3537-4
Abstract: There are numerous factors that can lead to construct failure and pseudarthrosis after corrective pedicle subtraction osteotomy (PSO) in the lumbar spine. Frequently, several factors are of relevance in these problematic cases. This article attempts… read more here.
Keywords: construct failure; biomechanics; biology; pedicle subtraction ... See more keywords
Thoracic pedicle subtraction osteotomy for correction of proximal junctional kyphosis after surgery for adolescent idiopathic scoliosis: A case report
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DOI: 10.1016/j.ijscr.2020.01.025
Abstract: Highlights • Proximal junctional kyphosis in adolescent idiopathic scoliosis is frequent.• Poor visualization of the sagittal plane leads to incorrect identification of curve type.• Residual or progressive symptomatic kyphosis may require surgical treatment.• Pedicle subtraction… read more here.
Keywords: junctional kyphosis; idiopathic scoliosis; adolescent idiopathic; proximal junctional ... See more keywords
Single Level Proximal Thoracic Pedicle Subtraction Osteotomy for Fixed Hyperkyphotic Deformity: Surgical Technique and Patient Series.
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DOI: 10.1093/ons/opx158
Abstract: BACKGROUND Thoracic hyperkyphosis can display pathological deterioration, resulting in either hyperlordotic cervical compensation or sagittal malalignment. Various techniques have been described to treat fixed malalignment. Pedicle subtraction osteotomy (PSO) is commonly used in the lumbar… read more here.
Keywords: technique; single level; subtraction osteotomy; proximal thoracic ... See more keywords
Extended Asymmetrical Pedicle Subtraction Osteotomy for Adult Spinal Deformity: 2-Dimensional Operative Video.
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DOI: 10.1093/ons/opy160
Abstract: Pedicle subtraction osteotomy (PSO) is an effective technique to correct fixed sagittal malalignment. A variation of this technique, the "trans-discal" or "extended" PSO (Schwab grade IV osteotomy), involves extending the posterior wedge resection of the… read more here.
Keywords: subtraction osteotomy; extended asymmetrical; adult spinal; pedicle subtraction ... See more keywords
Pedicle Subtraction Osteotomy Construct Optimization
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DOI: 10.1097/brs.0000000000004328
Abstract: This biomechanical cadaveric study analyzes deep-seated satellite rod biomechanical performance compared with other common types of rod constructs and different anterior column support. Multirod constructs and adjacent segment interbody supplementation increase the rigidity and yield… read more here.
Keywords: rod strain; pedicle subtraction; sacral screw; subtraction osteotomy ... See more keywords
Simplified Pedicle Subtraction Osteotomy for Osteoporotic Vertebral Fractures.
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DOI: 10.14444/8129
Abstract: BACKGROUND In osteoporotic vertebral fractures (OVF) involving neurological symptoms and severe kyphosis, vertebral osteotomies are necessary but are associated with a high risk of complications. METHODS We performed a retrospective study. In 14 patients (mean… read more here.
Keywords: subtraction osteotomy; pedicle; vertebral fractures; osteoporotic vertebral ... See more keywords