Minimally invasive cervical disc replacement surgery entails inserting an artificial cervical disc between two cervical vertebrae after the inter- vertebral disc has been surgically removed in the process of decompressing the spinal cord or a nerve root. The intent of the device is to preserve motion at the disc space. It is an alternative to the use of bone grafts, plates and screws in pursuit of a fusion following procedures such a disc removal, which necessarily eliminates motion at the operated disc space in the neck.

1. Minimally Invasive Cervical Discectomy Spine Treatment in India
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Cervical Discectomy
Cervical discectomy is surgery to remove
one or more discs from the neck. The disc
is the pad that separates the neck
vertebrae; ectomy means to take out.
Usually a discectomy is combined with a
fusion of the two vertebrae that are
separated by the disc. In some cases, this
procedure is done without a fusion. A
cervical discectomy without a fusion may
be suggested for younger patients
between 20 and 45 years old who have
symptoms due to a herniated disc.
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Different Approaches to treat Cervical Discectomy Spine
Problem :Anterior Approach: The patient is made to lie down on his
back under general anesthesia. A horizontal incision is made
just 2 inches above the clavicle on either left or right side. The
thin muscle layer is cut and the trachea and esophagus are
shifted to one side along with the nerves and vessels. The
surgeon has a clear view of the cervical vertebrae. An X-ray is
done to confirm the involved disc. An operating microscope
can also be used to get a better picture of the operating field.
The anterior longitudinal ligament is gently removed to reach
the osteophytes and the disc fragments. The osteophytes are
scraped off and the intervertebral disc is dissected.Once the
disc is removed the vertebral bodies are gently distracted to
their original distance to fill the space with bone graft. This
helps to relieve the compression from the nerves as the
diameter of the intervertebral foramen is enlarged.
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Posterior Approach: The patient is sedated under general
anaesthesia and made to lie on his abdomen. The neck is
slightly bent and head is supported on the head rest. An
incision is made on the back of the neck in the midline. The
skin, fascia and muscles are retraced to reach the vertebrae.
An X-ray is done to confirm the level of affected disc. Edges of
the lamina are shaved off to give a clearer vision. Incase of
central herniation, both lamina may have to be removed in
order to get full view of the fragmented disc. The posterior
longitudinal ligament is incised and a small hole is made in
the ligamentum flavum. The surgeon now uses a surgical
microscope to magnify the operating area and the disc
fragments and bony spurs are carefully removed. The muscles
fascia and skin are stitched
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Minimally invasive cervical disc replacement
surgery
Minimally invasive cervical disc replacement surgery entails
inserting an artificial cervical disc between two cervical
vertebrae after the inter- vertebral disc has been surgically
removed in the process of decompressing the spinal cord or a
nerve root. The intent of the device is to preserve motion at
the disc space. It is an alternative to the use of bone
grafts, plates and screws in pursuit of a fusion following
procedures such a disc removal, which necessarily eliminates
motion at the operated disc space in the neck.
Cervical disc replacement surgery is most typically done for
patients with cervical disc herniations that have not responded
to non-surgical treatment options and are significantly affecting
the individuals' quality of life and ability to function.
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The advantages of Minimally invasive cervical disc
replacement surgery :
Maintaining normal neck motion
Reducing degeneration of adjacent
segments of the cervical spine
Eliminating the need for a bone graft
Early postoperative neck motion
Faster return to normal activity
Postoperative neck braces are not required
for disc replacement operations.
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