Laminoplasty :
Laminoplasty is a procedure intended to relieve pressure on the spinal cord while maintaining the stabilizing effects of the posterior elements of the vertebrae.
The laminoplasty procedure involves "hinging" one side of the posterior elements of the spine and cutting the other side to form a "door".By relieving pressure on the spinal cord it is the goal of laminoplasty to stop the progression of damage to the spinal cord and allow for as much recovery of function as possible.
Cervical Epansive Laminoplasty :
Cervical expansive laminoplasty has been advocated as an alternative procedure to laminectomy for the decompression of the cervical spine. It provides favourable cord decompression and stabilisation of the cervical spine and is a simpler and safer alternative to anterior fusion and laminectomy for myelopathy and myeloradiculopathy, due to multisegmental cervical spondylosis and ossified posterior longitudinal ligament expansive laminoplasty has been advocated as an alternative procedure to cervical laminectomy for patients with cervical myelopathy due to cervical canal stenosis, multisegmental cervical spondylotic myelopathy (CSM) and ossification of posterior longitudinal ligament.
Microsurgical Lumbar Laminoplasty:
This is a minimally invasive technique for decompressing pinched nerves in the lumbar spine. Pinched or compressed nerves may result from herniated discs, spinal stenosis, or spondylolisthesis.Cervical laminoplasty is a recognized technique commonly used for multilevel posterior cervical decompression, and it is favored over laminectomy for maintaining spinal stability. Traditional hinge techniques, however, limit lateral exposure on one side and can limit dural exposure. The authors present their experience with a modified laminoplasty technique incorporating complete laminectomy and placement of titanium miniplate instrumentation. This method allows wide bilateral posterior decompression and unobscured dural access.
METHODS:
Twenty-eight patients (mean age 57 years) underwent cervical laminoplasty during a 4-year period. Twenty-seven patients presented with progressive cervical myelopathy. Seventeen patients (61%) had degenerative spondylotic stenosis; nine (32%) underwent resection of an intradural neoplasm.
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