Total Disc Replacement
The concept of replacing
worn or damaged joints with artificial joints is well accepted. Most people
will know somebody who has had a hip or knee
replacement and other joint replacements, such as shoulders or
ankles, are now undertaken routinely. For almost as long as surgeons have been
replacing hip and knee joints
there have been attempts to replace damaged discs in the spine, but until
recently these attempts have been frustrated by technical and mechanical
problems encountered in the lower spine . Surgical advances and engineering
developments in recent years have overcome these problems and made the
possibility of disc replacement a reality. Total
disc replacement India
How
is the Artificial Disc adapted to an individual ?
It
is important to select the right implant for an individual. The dimensions from
side to side and from front to
back will vary according to the height and stature of an individual but will
also depend on the level of the disc being replaced. The same factors will also
affect the height of the implant. It is also important to restore the normal
amount of wedging between the back and the front of the disc, called lordosis,
since this can affect overall balance and have an impact on other parts of the
spine... Endoscopic
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surgery India
How
long does the surgery take ?
The
operation normally takes about two hours for a single level disc replacement
and about three and a half hours if two discs are being replaced. Total
disc replacement surgery India
Where
is the incision made ?
The
operation is done from the front, through the lower part of the abdomen, the
patient being placed on his or her back. The incision may be horizontal or
vertical and its position will depend on the level of the disc being replaced.
For the L5/S1 disc it is usually a little above the top of the pubic hair line
but a few centimetres above this for the L4/5 disc. The incision can be as
little as 5 or 6 cms (2 inches) in a slim patient... Spine
surgery Delhi , Spinal
tumor surgery India
What
happens during the procedure ?
After
making the incision the anterior abdominal muscles (the 'six-pack' muscles) are
separated and the peritoneal sack, containing the abdominal organs, carefully
moved to one side. A marker is placed on the disc and an x-ray obtained to
confirm the level where the disc replacement is to be inserted. The large blood
vessels in front of the spine are then carefully moved to give the necessary
access to the disc... Total
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