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Kyphosis - Springer Nature

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Last Updated: 25 September 2022

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Double spinal cord tethering and congenital kyphosis in a 4-year-old boy

Purpose Congenital kyphosis is unusual disorder that arises after a defect of formation or segmentation of one or two vertebrae during the first weeks of embryonic life and can be closely associated with spinal cord abnormalities. Meningocele manquu00e9 is a rare congenital malformation characterized by intradural fibrous bands tethering the spinal cord, often in conjunction with a split cord malformation. Methods We present the case of a 4-year-old boy with a combination of congenital kyphosis and double spinal cord tethering on both the filum terminale and L1-L2 due to an intradural fibrous band. During the same surgical procedure, our case study shows that surgical correction of the deformity and spinal cord detethering can be safely and effectively achieved.

Source link: https://doi.org/10.1007/s43390-022-00589-3


In Scheuermann’s kyphosis, a proximal UIV and postop kyphosis value close to patients’ PI decreases the risk of PJK

Purpose Purpose: In Scheuermann's kyphosis, prevalence of proximal junctional kyphosis varies between 24 and 40 percent. X-ray and chart review of SK patients treated with all pedicle screws, hybrid fixation, and anterior/posterior fusions with hybrid fixation fusions are among the procedures. Compared to T3 and distal groups, T1/T2 were grouped together as proximal fusion groups. Overall, at early postop 12 patients had PJK, not in the first postop 12 patients. At the last follow-up, 37. 0% of patients developed PJK, whether correcting kyphosisu2013PI to > 2612 10. 0. b0 and UIV, a decision that was not T1 or T2 was deemed by an expert at T1 or T2 or below; when switching to T1/T2 but with kyphosisu2013PI u2212 10. 0. u00b0 and UIV at T3 or below, b0 and U2112 Conclusion Selecting proximal UIV and avoiding kyphosis can greatly reduce the incidence of PJK over the surgical technique or implant choice. Surgeons treating SK should, therefore, aim to restore kyphosis closer to the patient's pelvic incidence, and opt for T2/T1 as UIV.

Source link: https://doi.org/10.1007/s43390-022-00503-x


Geometric analysis of pedicle subtraction osteotomy (PSO) for Kyphosis correction: anterior lengthening may occur at the osteotomized body as well as at the discs above and below

Methods Twenty-two patients were selected from PSO's mainly kyphosis patients and with solid x-ray data on preoperative and postoperative x-rays. The change of segmental kyphosis angle was recorded in each patient and compared to Gu00b0 and Ru00b0, and the correlation between each value was determined. Results u00b1 0. 05 and 6. 09 respectively, with the absolute Mean u00b1 SE for K u2212 G and Ku2212 R at 2. 33 and 6. 09 respectively. In 13 cases, anterior lengthening was observed. The relationship between posterior and anterior shortening was 0. 03. There were three cage insertion cases: one had anterior lengthening, and two others had anterior shortening even with the cage. Conclusion This research validated the geometric and rough approximations used in PVCR patients for PSO patients. In addition, this report showed that anterior lengthening can occur in PSOs mainly at the discs, but not often at the osteotomized body.

Source link: https://doi.org/10.1007/s00586-022-07312-w

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions