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Correlation analysis between postoperative hip pain and spino-pelvic/hip parameters in adult scoliosis patients after long-segment spinal fusion



To explore the correlations between postoperative hip pain and spino-pelvic/hip parameters in adult scoliosis patients after long-segment spinal fusion.


We retrospectively identified adult scoliosis patients who underwent long-segment spinal fusions between December 2009 and August 2015. The patients were divided into a pain group (PG) and a control group (CG) based on whether hip pain was reported at the end of follow-up. There were 34 cases in the PG and 42 in the CG. The visual analogue scale was employed to assess the postoperative hip pain in PG patients. Two sets of parameters were recorded: one before and one after the surgery.


There were statistically significant differences in the variations in acetabular coverage and centre-edge (CE) angle between the two groups (p < 0.05), but there was no significant difference in the Tönnis angle, acetabular angle of Sharp, neck-shaft angle, lumbar lordosis (LL), sacral slope, pelvic incidence, pelvic tilt, coronal vertical axis, sagittal vertical axis or Cobb angle. The variation in acetabular coverage before and after operation in the PG was significantly correlated with that of LL (p < 0.05), while the changes in the CE angle and Tönnis angle were not significantly correlated with those in spino-pelvic parameters (p > 0.05).


Postoperative hip pain among adult scoliosis patients after long-segment spinal fusion is significantly associated with the variation in acetabular coverage and CE angle, and the change in acetabular coverage is correlated with that in LL for those who develop hip pain after the surgery.

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Correspondence to Miao Yu.

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Si, G., Li, T., Liu, X. et al. Correlation analysis between postoperative hip pain and spino-pelvic/hip parameters in adult scoliosis patients after long-segment spinal fusion. Eur Spine J (2020).

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  • Adult scoliosis
  • Long-segment spinal fusion
  • Hip joint
  • Spino-pelvic/hip parameters
  • Acetabular coverage