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Posterior cervical laminoplasty using a new plating system: technical note.

Harel Deutsch1, Praveen V Mummaneni, Gerald E Rodts

  • 1Department of Neurosurgery, Rush University, Chicago, IL, USA.

Journal of Spinal Disorders & Techniques
|July 29, 2004
PubMed
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A novel miniplate system simplifies posterior cervical laminoplasty for conditions like ossification of the posterior longitudinal ligament (OPLL) and cervical stenosis. This technique offers secure fixation without complications, improving surgical outcomes.

Area of Science:

  • Neurosurgery
  • Orthopedic Surgery
  • Spinal Surgery

Background:

  • Laminoplasty is a surgical technique for ossification of the posterior longitudinal ligament (OPLL), with the open door technique gaining popularity for OPLL and cervical stenosis.
  • A key challenge for the open door technique is the lack of a suitable fixation plate to secure the lamina to the lateral mass.
  • This study introduces a novel miniplate system designed to overcome this fixation challenge.

Purpose of the Study:

  • To demonstrate the advantages of the Ti-Mesh LP miniplate system for posterior cervical laminoplasty.
  • To evaluate the system's suitability for securing the fractured lamina to the lateral mass in open door laminoplasties.

Main Methods:

  • The Ti-Mesh LP miniplate system was used in five male patients undergoing open door laminoplasties.

Related Experiment Videos

  • Patients presented with congenital cervical stenosis with myelopathy (four) or OPLL (one), with a mean preoperative Nurick score of 2.8.
  • Plates were implanted with a claw on the lamina and a flat plate on the lateral mass.

    • Main Results:

    • Successful implantation of the Ti-Mesh LP system in all five patients.
    • An average of 4.4 spinal levels were fixated per patient.
    • No intraoperative or postoperative complications were observed during a follow-up period exceeding five months.

    Conclusions:

    • The Ti-Mesh LP system simplifies posterior cervical laminoplasty by eliminating the need for contouring cranial miniplates.
    • Its design, featuring a unique claw construct and angled plate, effectively secures the trapdoor lamina in the open position.
    • The system was successfully and safely utilized in five patients for decompressive posterior cervical laminoplasties.