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Related Experiment Videos

Titanium-mesh block replacement of the intervertebral disk

J C Leong1, S P Chow, A C Yau

  • 1Department of Orthopaedic Surgery, University of Hong Kong, Queen Mary Hospital.

Clinical Orthopaedics and Related Research
|March 1, 1994
PubMed
Summary

Titanium-mesh block implants effectively replace autogenous bone grafts for lumbar intervertebral disk fusion. This clinical trial demonstrated positive outcomes and no complications in patients undergoing anterior diskectomy and replacement.

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Area of Science:

  • Orthopedic Surgery
  • Spinal Fusion
  • Biomaterials

Background:

  • Degenerative disc disease and herniated lumbar discs are common causes of back pain.
  • Traditional treatments include conservative management and surgical interventions like autogenous bone grafting for spinal fusion.
  • Titanium-mesh block implants offer a potential alternative for interbody fusion.

Purpose of the Study:

  • To evaluate the efficacy and safety of titanium-mesh block implants for anterior interbody fusion in patients with prolapsed lumbar intervertebral discs.
  • To compare the outcomes of titanium-mesh block implantation with historical data on autogenous bone grafting.

Main Methods:

  • A prospective clinical trial was conducted on 28 patients with myelographically proven prolapsed lumbar intervertebral discs.

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  • Patients underwent anterior diskectomy and replacement with a titanium-mesh block implant.
  • Follow-up included clinical assessment of symptomatic improvement and radiographic evaluation of fusion and implant integrity for an average of 8 years and 4 months.

    • Main Results:

    • Symptomatic improvement was observed in the majority of patients, with 16 falling into Group 1 (significant improvement).
    • Radiographic assessment showed solid fusion (no movement) in 14 patients, minimal movement in five, and definite movement in four.
    • Implant integrity was good, with 20 intact, three cracked, and three deformed implants. No complications were reported.

    Conclusions:

    • Titanium-mesh block implants are an effective and safe substitute for autogenous bone grafting in anterior interbody fusion for prolapsed lumbar intervertebral discs.
    • The study supports the use of titanium-mesh block implants in clinical practice for achieving spinal fusion.
    • Long-term follow-up indicates durable outcomes without significant complications.