Effect of sagittal screw angle and distance of screw apex to superior endplate on adjacent segment disease after posterolateral lumbar fusion: a retrospective study

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  • who: Qiang Wang from the Department of Spine Surgery, Shanghai East Hospital, Tongji University School of Medicine, Jimo Rd, Shanghai, China have published the research work: Effect of sagittal screw angle and distance of screw apex to superior endplate on adjacent segment disease after posterolateral lumbar fusion: a retrospective study, in the Journal: (JOURNAL)
  • what: The aim of this retrospective study is to evaluate the hypothesis that unsatisfactory pedicle screw insertion positions would increase the likelihood of ASD. The models showed great discrimination and calibration. All the patients signed corresponding informed consents and verbally informed . . .

     

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