2024年6月3日 · The degenerative loss of lumbar lordosis commonly occurs in the distal lumbar region and two thirds of the lumbar lordosis are located between L4 and S1 , therefore it …

Pedicle subtraction osteotomy (PSO) consists of creating posteriorly trapezoidal shape of a vertebra, usually L3 or L4, in order to recreate lordosis in the lumbar spine. It is usually …

A pedicle subtraction osteotomy (PSO) is a surgical procedure used in adults and children to correct certain deformities of the spine. A spine with too much kyphosis (forward curvature, or …

2024年11月1日 · Pedicle subtraction osteotomy (PSO) is effective for correcting spinal malalignment but is associated with high complication rates. The biomechanical effect of …

PSO at the level of L4 or L5 remains a challenging technique but with an acceptable rate of complications and revisions. It enables correction of fixed sagittal malalignment in ASD …

The pedicle subtraction osteotomy (PSO) is typically performed at L3 as these vertebrae are the normal apex of lumbar lordosis. It is also safer to perform the osteotomy at one of these levels, …

Lumbar pedicle subtraction osteotomy (PSO) is indicated in the treatment of large sagittal (more than 25 of rigid loss of lordosis) deformities of the lumbar spine or its combination with coronal …

2014年12月9日 · A secondary adult lumbar degenerative scoliosis with spondylolysis and—listhesis grade I at L5/S1 with root irritation at L5 and L4 (LL 27°, PI 44°) was observed. …

2024年11月12日 · Pedicle subtraction osteotomy (PSO) is a technically complex procedure that is effective at improving the sagittal profile in spinal deformity surgery. This case report describes …

Indication: Lumbar pedicle subtraction osteotomy (PSO) is indicated in the treatment of large sagittal (more than 25° of rigid loss of lordosis) deformities of the lumbar spine or its …