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Cervical
Laminectomy Surgery
If spinal stenosis is the main cause of your neck pain,
then the spinal canal must be made larger and any bone
spurs pressing on the nerves must be removed. One way
that this is done is with a complete laminectomy. Laminectomy
means "remove the lamina". The lamina is the back side
of the spinal canal and forms the roof over the spinal
cord. Removing the lamina gives more room for the nerves
and allows the removal of bone spurs from around the
nerves. A laminectomy reduces the pressure on the spinal
cord and the irritation and inflammation of the spinal
nerves.
To perform a cervical spine laminectomy, an incision
is made down the center of the back of the neck. The
muscles are then moved to the side. The arteries and
nerves in the neck are protected as well.
Once the spine is reached from the back, each vertebra
is identified. Your surgeon will probably take an X-ray
during surgery to make sure that the right vertebrae
are being selected and the correct lamina removed. Once
this is determined, the lamina of the affected vertebrae
is removed. Any bone spurs that are found sticking off
the back of the vertebra are removed as well. Great
care is taken to not damage the spinal cord and nerve
roots.
In the cervical spine, removing the lamina completely
may cause problems with the stability of the facet joints
between each vertebra. If the joints are damaged during
the laminectomy, the spine may begin to tilt forward
causing problems later. One way that spine surgeons
try to prevent this problem is not to actually remove
the lamina. Instead, they simply cut one side of the
lamina and fold it back slightly. The other side of
the lamina opens like a hinge. This makes the spinal
canal larger, giving the spinal cord more room. The
cut area of the lamina eventually heals to keep the
spine from tilting forward.
What Happens Afterwards?
Following surgery, you will be taken to the recovery
room for a short while and then spend a few days in
a hospital room. When you awake you may have a collar
or brace around your neck or a drainage tube coming
out of your neck. Typically, the drainage tube is removed
in a day or two.
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