Single-Level Anterior Cervical Discectomy and Interbody Fusion: A Comparison between Porous Tantalum and Polyetheretherketone Cages

Edoardo Mazzucchi, Giuseppe La Rocca, Andrea Perna, Fabrizio Pignotti, Gianluca Galieri, Vincenzo De Santis, Pierluigi Rinaldi, Francesco Ciro Tamburrelli, Giovanni Sabatino

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

Background: Anterior cervical discectomy and interbody fusion (ACDF) may be performed with different kinds of stand-alone cages. Tantalum and polyetheretherketone (PEEK) are two of the most commonly used materials in this procedure. Few comparisons between different stand-alone implants for ACDF have been reported in the literature. Methods: We performed a comparison between patients who underwent ACDF with either a porous tantalum or a PEEK stand-alone cage, in two spine surgery units for single-level disc herniation. Clinical outcome [Neck Disability Index (NDI), Visual Analog Scale (VAS) for pain, Short Form-36 (SF-36)] and radiological outcome (lordosis, fusion and subsidence) were measured before surgery and at least one year after surgery in both groups. Results: Thirty-eight patients underwent ACDF with a porous tantalum cage, and thirty-one with a PEEK cage. The improvement of NDI and SF-36 was significantly superior in the PEEK group (p = 0.002 and p = 0.049 respectively). Moreover, the variation of the Cobb angle for the cervical spine was significantly higher in the PEEK group (p < 0.001). Conclusions: In a retrospective analysis of two groups of patients with at least one year of follow-up, a stand-alone PEEK cage showed superior clinical results, with improved cervical lordosis, compared to a stand-alone porous tantalum cage. Further studies are needed to confirm these data.
Lingua originaleEnglish
pagine (da-a)N/A-N/A
RivistaJournal of Personalized Medicine
Volume12
DOI
Stato di pubblicazionePubblicato - 2022

Keywords

  • cervical disc herniation
  • discectomy
  • lordosis
  • tantalum
  • stand-alone cage
  • subsidence
  • PEEK cage

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