, Volume 31, Issue 1, pp 101-110
Date: 12 Oct 2007

Double-door laminoplasty in managing multilevel myelopathy: technique description and literature review

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Abstract

Cervical laminoplasty has become a popular technique for the treatment of cervical myelopathy resulting from multilevel canal stenosis. The goal of this technique is to increase the spinal canal space and to reconstruct the posterior bony arch at the same time. The most common reason for laminoplasty failure is restenosis because of hinge closure. In the present report, the authors describe a variation of the double-door laminoplasty using a specifically tailored plate. The present technique is a modification of the double-door laminoplasty by using a specifically developed plate (Senegas’ Plate—by Stryker Technology®, Kalamazoo, MI), which allows to fix the two hemilamina in an open and expanded position re-establishing also the posterior canal arch. This procedure was implemented in a series of 22 patients. The device has been successfully implanted in all patients. At a mean follow-up of 21.1 months all patients showed a remarkable neurological improvement documented by serial clinical and radiological investigations. The present study indicates that this specific device effectively preserves the postoperative sagittal cervical canal diameter and provides a rigid construct, and in addition, it is very easy and fast to apply minimizing the risk of iatrogenic injuries, blood loss, and operative time.