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Are postoperative standing radiographs relevant before hospital discharge in adolescent idiopathic scoliosis?

  • S. Tournemine
  • A. Angelliaume
  • A.L. Simon
  • B. IlharrebordeEmail author
Original Article

Abstract

Purpose

Postoperative standing radiographs are usually performed before hospital discharge after AIS fusion. However, patients are often still painful and have not recovered yet their physiological balance. The aim of this study was therefore to evaluate the relevance of such early radiographs and more specifically investigate whether postoperative alignment could be analyzed.

Methods

All consecutive AIS patients operated between January 2015 and December 2015 were included. All patients underwent biplanar stereoradiographs before hospital discharge, at 4 months postoperative and at last follow-up. Fifteen parameters (eight coronal and seven sagittal), reflecting correction and spinal alignment were measured and compared. The incidence of implant misplacement, requiring or not surgical revision, was recorded.

Results

In total, 100 patients were included. A significant difference was found for 12 out of the 15 (80%) parameters between the first erect radiograph and the 4-month follow-up visit, including the CVA and the SVA, which are commonly used to assess postoperative alignment. Clavicle, UIV and LIV tilts also decreased significantly at 4 months postoperative. In opposition, no significant change occurred for the same parameters between the 4-month visit and latest follow-up. In nine patients, a pedicle screw was considered misplaced on the first radiograph, but all patients remained asymptomatic and no revision was performed.

Conclusion

There is no need for additional immediate postoperative radiographs in AIS, if an intraoperative radiograph has already been taken. This finding could help reducing radiation exposure in immature patients and should be further studied in other etiologies.

Graphical abstract

These slides can be retrieved under Electronic Supplementary Material.

Keywords

Adolescent idiopathic scoliosis Posterior fusion Spinal balance 

Notes

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

586_2019_5971_MOESM1_ESM.pptx (420 kb)
Supplementary material 1 (PPTX 419 kb)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Pediatric OrthopaedicsRobert Debré Hospital, AP-HP, Paris Diderot UniversityParisFrance

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