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Related Experiment Videos

Ventral interbody spondylodesis using a new plug-shaped implant.

W Stender1, H J Meissner, W Thomas

  • 1Orthopedic Department I, Barmbek General Hospital, Hamburg, West-Germany.

Neurosurgical Review
|January 1, 1990
PubMed
Summary

A novel cancellous metal implant for lumbar spondylodesis showed good to moderate clinical results in 28 patients with spondylolisthesis or instability. This technique offers a new option for spinal fusion, though complications like implant fracture occurred.

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Area of Science:

  • Spinal Surgery
  • Orthopedic Implants
  • Spinal Fusion

Background:

  • Interbody lumbar spondylodesis is a surgical technique used to treat spinal instability and conditions like spondylolisthesis.
  • Traditional methods often involve bone grafts, but new implant technologies are continuously being developed.
  • Ventral spondylodesis has a long history, with ongoing advancements in surgical techniques and instrumentation.

Purpose of the Study:

  • To describe a new surgical technique for ventral spondylodesis using a novel cancellous metal, plug-shaped implant.
  • To evaluate the clinical outcomes and complications associated with this new implant in patients with lumbar spondylolisthesis or instability.

Main Methods:

  • A cohort of 35 patients with spondylolisthesis or lumbar instability underwent interbody lumbar spondylodesis using a new metal implant.

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  • A follow-up study examined 28 of these patients between 4 and 24 months post-surgery.
  • Clinical results were assessed using objective criteria and patient self-assessment.

    • Main Results:

    • Objective assessment showed good results in 19 cases, moderate in five, and poor in one.
    • Patient self-assessment reported good outcomes in 17 cases, moderate in six, and poor in two.
    • Postoperative complications included one implant fracture and one case of deep vein thrombosis.

    Conclusions:

    • The new cancellous metal implant provides a viable option for interbody lumbar spondylodesis.
    • The technique demonstrated promising clinical results for patients with spondylolisthesis and lumbar instability.
    • Further investigation and larger studies are warranted to fully establish the efficacy and safety profile of this new implant.