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Related Experiment Videos

Spinous process-splitting laminoplasty using hydroxyapatite spinous process spacer.

K Nakano1, S Harata, F Suetsuna

  • 1Department of Orthopaedic Surgery, Hirosaki University Medical School, Japan.

Spine
|March 1, 1992
PubMed
Summary
This summary is machine-generated.

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Anterior cervical fusion using porous hydroxyapatite ceramics for cervical disc herniation. a two-year follow-up.

The spine journal : official journal of the North American Spine Society·2003

Spinous process-splitting laminoplasty with hydroxyapatite spacers effectively enlarged the cervical spinal canal in 45 patients. This surgical technique demonstrated good bone fusion and maintained canal width without complications.

Area of Science:

  • Neurosurgery
  • Orthopedic Surgery
  • Spinal Surgery

Background:

  • Cervical myelopathy necessitates surgical decompression to alleviate spinal cord compression.
  • Laminoplasty is a surgical technique used to widen the spinal canal.
  • Maintaining spinal canal enlargement post-surgery is crucial for long-term outcomes.

Observation:

  • A novel technique utilized trapezoidal hydroxyapatite intraspinous spacers during spinous process-splitting laminoplasty.
  • The spacers were inserted between the split spinous processes and secured with wire.
  • The study involved 45 patients treated between February 1986 and August 1989.

Findings:

  • Histologic examination confirmed successful bone fusion with the hydroxyapatite spacers.
  • All patients achieved significant enlargement of the cervical spinal canal.

Related Experiment Videos

  • No instances of spacer displacement, wire breakage, or postoperative infection were reported.
  • Computed tomography confirmed sustained cervical spinal canal width post-procedure.
  • No patients experienced postoperative neurologic deterioration.

    • Implications:

    • Hydroxyapatite intraspinous spacers offer a safe and effective method for maintaining spinal canal enlargement after laminoplasty.
    • This technique shows promise for improving surgical outcomes in cervical myelopathy.
    • The study highlights the potential of biomaterials in spinal reconstructive surgery.