Kyphoplasty, The Latest Treatment For Vertebral Compression Fractures

Vertebral compression fractures may occur withVertebral compression fractures may occur with
major trauma, such as a motorcycle accident, or withmajor trauma, such as a motorcycle accident, or with
something as insignificant as a sneeze, or steppingsomething as insignificant as a sneeze, or stepping
off of a curb. With a compression fracture, the boneoff of a curb. With a compression fracture, the bone
compressed and collapses into itself, similar tocompressed and collapses into itself, similar to
squeezing a Styrofoam peanut between your fingers.squeezing a Styrofoam peanut between your fingers.
How much force it takes to cause a compressionHow much force it takes to cause a compression
fracture, depends on the quality of the bone. Elderlyfracture, depends on the quality of the bone. Elderly
women with osteoporosis have frail, thin bones,women with osteoporosis have frail, thin bones,
which are easily crushed. But even the young strongwhich are easily crushed. But even the young strong
bone of an 18 year old, will collapse if sufficient forcebone of an 18 year old, will collapse if sufficient force
is applied. These fractures may also be caused byis applied. These fractures may also be caused by
metastatic disease, and multiple myeloma, which canmetastatic disease, and multiple myeloma, which can
weaken the bone to the point that it simply collapses.weaken the bone to the point that it simply collapses.
A large majority of these fractures are termedA large majority of these fractures are termed
wedge fractures, which refers to the shape of thewedge fractures, which refers to the shape of the
fractured vertebra. The anterior, or front part of thefractured vertebra. The anterior, or front part of the
vertebra, is compressed, and the posterior or backvertebra, is compressed, and the posterior or back
portion maintains its height. But in some cases, whenportion maintains its height. But in some cases, when
sufficient force is applied, the entire vertebra issufficient force is applied, the entire vertebra is
flattened.flattened.
Compression fractures cause the sudden severe painCompression fractures cause the sudden severe pain
and disability. The compression fracture itself willand disability. The compression fracture itself will
generally cause only back pain, focused at the sightgenerally cause only back pain, focused at the sight
of the fracture. Occasionally, when fractureof the fracture. Occasionally, when fracture
fragments are forced out of place and begin pressingfragments are forced out of place and begin pressing
on nerves, there may be buttock and loweron nerves, there may be buttock and lower
extremity pain as well.extremity pain as well.
Historically, the treatment for these fractures hasHistorically, the treatment for these fractures has
been bed rest, and pain medication. Depending onbeen bed rest, and pain medication. Depending on
how stable the fracture was thought to be,how stable the fracture was thought to be,
sometimes a brace or body cast would be added.sometimes a brace or body cast would be added.
Young people were more likely to survive the periodYoung people were more likely to survive the period
of immobility. In the elderly population, with multipleof immobility. In the elderly population, with multiple
medical problems, there was a high rate of mortalitymedical problems, there was a high rate of mortality
from the immobilization. People often hadfrom the immobilization. People often had
complications with pneumonia, blood clots, and loss ofcomplications with pneumonia, blood clots, and loss of
muscle. In many cases, even though the fracturemuscle. In many cases, even though the fracture
would heal, people were never able to return towould heal, people were never able to return to
regular activity.regular activity.
In 1998 the first kyphoplasty was performed. ThisIn 1998 the first kyphoplasty was performed. This
new procedure has been shown to restore thenew procedure has been shown to restore the
height of the vertebra, and quickly stabilize theheight of the vertebra, and quickly stabilize the
fracture. There is almost an immediate reduction infracture. There is almost an immediate reduction in
pain making it possible to mobilize patients the daypain making it possible to mobilize patients the day
after surgery. Braces or body casts are generally notafter surgery. Braces or body casts are generally not
necessary.necessary.
This surgery is performed through a tiny 1/2 inchThis surgery is performed thru a tiny 1/2 inch incision.
incision. A large needle is threaded precisely into theA large needle is threaded precisely into the center
center of the damaged vertebra, using flouroscopicof the damaged vertebra, using flouroscopic x-ray
x-ray guidance. Then a balloon is inserted and inflatedguidance. Then a balloon is inserted and inflated in the
in the center of the fracture. This pushes thecenter of the fracture. This pushes the fracture
fracture fragments back out to their original position,fragments back out to their original position,
re-establishing the dimensions of the vertebra, andre-establishing the dimensions of the vertebra, and
correcting any deformity.correcting any deformity.
When the surgeon is satisfied with the shape andWhen the surgeon is satisfied with the shape and
height of the vertebra, the balloon is deflated andheight of the vertebra, the balloon is deflated and
withdrawn. The void that is left is then filled withwithdrawn. The void that is left is then filled with
methyl methacrylate, which is the same bone cementmethyl methacrylate, which is the same bone cement
that is used to glue prosthetic joint replacements inthat is used to glue prosthetic joint replacements in
place. Within minutes this hardens and immediatelyplace. Within minutes this hardens and immediately
stabilizes the fracture fragments.stabilizes the fracture fragments.
Most people are up the next day. If their pain is notMost people are up the next day. If their pain is not
completely resolved, is greatly improved. They arecompletely resolved, is greatly improved. They are
generally able to return to their normal activitiesgenerally able to return to their normal activities
within a few weeks.within a few weeks.
There are risks with any surgery, but kyphoplasty isThere are risks with any surgery, but kyphoplasty is
minimally invasive and the risks are considered to beminimally invasive and the risks are considered to be
very low. It is reported that in up to 10% of casesvery low. It is reported that in up to 10% of cases
some methyl methacrylate will extrude outside of thesome methyl methacrylate will extrude outside of the
vertebra. In most cases this is harmless and does notvertebra. In most cases this is harmless and does not
cause any problems. The American Academy ofcause any problems. The American Academy of
Orthopedic Surgeons reports that in 1 case in 10,000Orthopedic Surgeons reports that in 1 case in 10,000
this cement may damage or irritate nerves or thethis cement may damage or irritate nerves or the
spinal cord. A second surgery may be required tospinal cord. A second surgery may be required to
remove the excess cement.remove the excess cement.
The benefits of this procedure are that it greatlyThe benefits of this procedure are that it greatly
shortens the time of pain and disability that peopleshortens the time of pain and disability that people
with compression fractures are forced to endure.with compression fractures are forced to endure.
Because people are mobilized the day after surgery,Because people are mobilized the day after surgery,
it greatly reduces the risk of complications associatedit greatly reduces the risk of complications associated
with prolonged bed rest.with prolonged bed rest.
When comparing the risks and benefits of usingWhen comparing the risks and benefits of using
kyphoplasty to treat a vertebral compressionkyphoplasty to treat a vertebral compression
fracture. The benefits seem to outweigh the risks,fracture. The benefits seem to outweigh the risks,
and this procedure may be worth considering.and this procedure may be worth considering.