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Custom-made trabecular titanium implants for the treatment of lumbar degenerative discopathy via ALIF/XLIF techniques: rationale for use and preliminary results

  • Fulvio Tartara
  • Daniele BongettaEmail author
  • Giulia Pilloni
  • Elena Virginia Colombo
  • Ermanno Giombelli
Original Article

Abstract

Purpose

Related to the development and diffusion of ALIF and XLIF, it is possible to correct sagittal malalignment in selected cases of lumbar degenerative discopathy with a relatively low invasiveness. Still, the malposition or the inappropriate size of the implanted cages may lead to the subsidence of the vertebral endplates with loss of correction as well as a decrease in the potential to restore spinal biomechanics in the long run. The aim of this study is to evaluate safety, feasibility, and preliminary clinical and radiological results when using custom-made, trabecular titanium cages in ALIF and XLIF procedures.

Methods

We prospectively evaluated 18 consecutive patients who underwent either an ALIF or an XLIF procedure with the implant of a custom-made, trabecular titanium cage for lumbar degenerative disease with sagittal imbalance, with a minimum of 1-year clinical and radiological follow-up.

Results

After a mean follow-up of 14 months, the Oswestry score dropped to a mean of 13 from a preoperative value of 48 (p < 0.0001). Lumbar lordosis was significantly improved, especially in the lower lumbar segment L4-S1 (+ 11 ± 7°; p < 0.0001). No cases of subsidence were noted.

Conclusions

Custom-made, trabecular titanium cages allowed a segmental, steady, durable sagittal correction via ALIF and XLIF approaches. The absence of cage subsidence at 1 year encourages further studies on a larger cohort with longer follow-up.

Graphic abstract

These slides can be retrieved under Electronic Supplementary Material.

Keywords

Custom-made Cage ALIF XLIF Subsidence 

Notes

Compliance with ethical standards

Conflict of interest

The authors declare that there is no conflict of interest regarding the publication of this article and no funding to be reported for its writing.

Supplementary material

586_2019_6191_MOESM1_ESM.pptx (857 kb)
Supplementary material 1 (PPTX 856 kb)

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Copyright information

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

Authors and Affiliations

  1. 1.Department of Special Surgeries, Unit of NeurosurgeryUniversity Hospital of ParmaParmaItaly
  2. 2.Neurosurgery UnitASST Fatebenefratelli SaccoMilanItaly

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