European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
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Randomized Controlled Trial
An anatomic study of the interspinous space of the lumbosacral spine.
The purpose of this study is to quantify the interspinous anatomy at the L4/5 and L5/S1 levels. ⋯ The interspinous space available, as defined by computer tomography, at the L5/S1 level, is less able to accommodate current interspinous devices compared to the adjacent L4/5 level. The limiting factor is the length of the sacral part of the L5-S1 interspinous space.
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Multicenter Study Comparative Study
How do idiopathic scoliosis patients who improve after surgery differ from those who do not exceed a minimum detectable change?
The minimum detectable change (MDC) of the SRS-22 subtotal score is 6.8 points. With the use of this value, patients who have undergone surgery for idiopathic scoliosis can be dichotomized into two groups: the successful (S) group (those who have reached or exceeded this limit) and the unsuccessful (Un-S) group (those in whom the change was smaller). The aim of this study was to analyze the clinical and radiological differences between these patient groups, as well as those related to the surgical technique. ⋯ The preop subtotal score of the SRS-22 is a good predictor of the clinical response to surgery.
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Review Case Reports
Pedicle screw instrumentation in adolescent idiopathic scoliosis (AIS).
Pedicle screw instrumentation in AIS has advantages of rigid fixation, improved deformity correction and a shorter fusion, but needs an exacting technique. ⋯ Rod derotation and DVR using pedicle screw instrumentation give true three dimensional deformity correction in the treatment of AIS. Suk classification with these methods predicts exact fusion extent and is easy to understand and remember.
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This article aims to provide an overview of how spinal deformities can alter normal spine and thoracic cage growth. ⋯ Growth is a succession of acceleration and deceleration phases and a perfect knowledge of normal growth parameters is mandatory to understand the pathologic modifications induced on a growing spine by an early onset spinal deformity. The challenges associated with the growing spine for the surgeon include preservation of the thoracic spine, thoracic cage, and lung growth without reducing spinal motion.