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Rod contour and overcorrection are risk factors of proximal junctional kyphosis after adult spinal deformity correction surgery

European Spine Journal Mar 04, 2021

Ishihara M, Taniguchi S, Adachi T, et al. - This study was undertaken to investigate the risk factors of proximal junctional kyphosis (PJK) after surgery for the adult spinal deformity (ASD) focusing on rod contour. Researchers examined a total of 63 patients with ASD who had undergone surgery using lateral lumbar interbody fusion and percutaneous pedicle screws. Individuals were classified into two groups. Various spinopelvic parameters and parameters related to rod contour were examined. The outcomes of this research revealed that insufficient kyphotic curves of the rod in the thoracic spine along with the upper instrumented vertebra and overcorrection of the lumbar spine were noted as significant risk factors of PJK.

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