Scoliosis surgery - PowerPoint PPT Presentation

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Scoliosis surgery

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Title: Scoliosis surgery


1
Scoliosis Surgery
Scoliosis is a condition that causes the spine to
curve sideways. Some curvature in the spine is
normal, but if the curves are too severe, pain
and other complications can result. Scoliosis
most often occurs during the time when a child is
rapidly growing, near the onset of puberty. The
condition can be caused by other diseases such as
muscular dystrophy and cerebral palsy, but most
of the time the cause of scoliosis is unknown.
2
Why the Scoliosis Surgery is performed
  • There are several reasons to treat scoliosis
  • Appearance is a major concern.
  • Scoliosis often causes back pain.
  • If the curve is severe enough, scoliosis affects
    your child's breathing.
  • Braces are often tried ?rst to keep the curve
    from getting worse.
  • The choice of when to have surgery will vary.
  • After the bones of the skeleton stop growing, the
    curve should not get much worse. Because of this,
    the surgeon may wait until your child's bones
    stop growing.
  • Your child may need surgery before this if the
    curve in the spine is severe or is getting worse
    quickly.
  • Surgery is usually recommended for the following
    children and adolescents with scoliosis of
    unknown cause (idiopathic scoliosis)
  • All young people whose skeletons have matured,
    and who have a curve greater than 45 degrees.
  • Growing children whose curve has gone beyond 40
    degrees. (Not all doctors agree on whether all
    children with curves of 40 degrees should have
    surgery.)

3
Surgical approaches
  • Different Surgical Approaches may be used
  • Posterior approach (back)
  • This approach has been the gold standard for
    years and continues to be a surgical procedure
    applicable to most patients with scoliosis.
  • The incision is made on the back, just over the
    spines midline.
  • Anterior approach (front)
  • Certain abnormal curves are ideally suited to
    this approach. Many thoracolumbar
    (thoracic-lumbar) and thoracic curves are
    approached this way. The instrumentation The
    anterior approach is often done using scopes and
    is termed video-assisted thoracoscopic surgery,
    or abbreviated VATS. Patients are hospitalized
    for three to six days.
  • Anterior-Posterior Approach (Front-Back)
  • Generally, one curve is approached from the front
    and back. If there is a second curve, it is
    approached only from the back. Sometimes, if
  • there are two severe curves, a double
    anterior-posterior procedure is performed.
  • The anterior approach is the standard procedure
    performed to treat lumbar (low back) curves. It
    is performed through the patient's side to access
    the front of the spine. Anterior surgery can be
    performed using a scope inserted into the
    thoracic spine also called thoracoscopic
    surgery.
  • The anterior-posterior approach is more involved
    than a single anterior or posterior procedure.
    Surgery may last six to 10 hours, the average
    hospital stay ranges between ?ve days to two
    weeks, and recovery takes longer than a single
    approach procedure.
  • Thoracoscopic surgery (VATS, or Video-Assisted
    Thoracoscopic Surgery)
  • This is a technique that applies to thoracic
    spine surgery. Not every patient with a thoracic
    curve is a VATS candidate. The procedure requires
    that one lung be temporarily de?ated some
    patients, due to anatomical reasons cannot have a
    lung de?ated. Also, some curves do not allow for
    easy access to the spine using VATS. Of course,
    there are other reasons why VATS is not an option
    for some patients.
  • Small incisions called portals are made in the
    side of the chest. Scopes, cameras, and video
    monitoring devices are used by the surgeon to see
    the spine. These devices help make spine surgery
    less invasive to the patient while providing
    equal or better results. There is minimal effect
    on lung (pulmonary) function with VATS as our own
    studies and multiple other studies have shown.
  • After surgery, the small incisions are well
    hidden by the patient's arm. Scars are much
    smaller and more cosmetically appealing than
  • standard open procedures.

4
Surgical procedures
  • The scoliosis spine surgeon will choose the
    procedure that best treats the patient's problem.
    Sometimes more than one surgery produces the most
    favorable results. The surgeon will present the
    pros and cons of the different procedures so the
    patient and their family can make an informed
    decision with his guidance.
  • Choices for scoliosis surgery include
  • Spinal Fusion this surgery most often
    performed for scoliosis
  • Thoracoplasty (rib resection, rib
    removal)
  • Osteotomies (bone removal)
  • Hemivertebrae excision (partial or
    complete removal of a vertebra)
  • Vertebral column resection

5
Surgical procedures
Spinal Fusion for Scoliosis A Spine Surgery
Option for Spinal Deformity
Scoliosis surgery and surgery for other types of
spinal deformities requires the spine eventually
to be fused solid as the current standard. Fusion
is the process where motion segments (vertebrae)
are welded together using bone grafts. The
procedure usually involves implanting two metal
rods (stainless steel or titanium) to correct the
abnormal curvature. Sometimes more than two rods
are needed. A combination of screws, hooks, and
wire may be used to anchor the rods to the spine.
Biologically speaking, the process of spinal
fusion to completion takes three months to one
year. During that time, the progress of the
fusion is evaluated on x-rays. Bone graft comes
from different sources such as the pelvis (iliac
crest of the hip), ribs, or the spine (local bone
from the surgery site). Using local bone lessens
the patient's pain caused by harvesting bone from
other areas of the body. Allograft or cadaver
bone is also often used and eliminates donor site
morbidity.
  • In addition, protein bone graft substitutes
    (BMPs) may be used in select cases such as when
    an established failure of fusion
    (pseudoarthrosis) has occurred.
  • Since smoking interferes with fusion, patients
    should make every effort to stop months before
    their surgery. Smoking cessation should
  • continue after surgery.
  • Important Spinal Fusion Details
  • In younger patients and adults with satisfactory
    bone density (strength), bracing is not used
    after surgery.
  • Posterior instrumentation (eg, rods, screws)
    without fusion or "growing rods" can be performed
    in patients with juvenile or infantile scoliosis
    under age 10. Growing rods allow for
    straightening of the spine and subsequent
    lengthening procedures until the patient reaches
    adolescence when a ?nal fusion procedure is
    performed.
  • The average hospital stay for most operations
    ranges from four to seven days.

6
Thoracoplasty (Rib Resection)
Surgical procedures
Patients with scoliosis often have a prominent
rib hump. One of the goals of correc- tive
scoliosis surgery is to correct the rib
hump. Thoracoplasty is a surgical procedure that
helps to reduce rib hump size. The procedure
involves partially removing as many as ?ve ribs.
This procedure is usually performed as part of
the scoliosis surgery, but it may be performed at
a later time. Sometimes a chest tube drain is
needed for a day or two after thoraco- plasty is
performed. Thoracoplasty is less commonly
performed today than before because current
advances in spinal instrumentation results in
improved rotational correction of the deformity.
Osteotomies (Cutting and Removing Bone)
Surgical procedures
The term osteotomy means cutting into and
removing bone. Osteotomies are performed in the
front or back of the spine. In treating scoliosis
curves, an osteotomy is used to improve
correction of the spinal deformity. Osteotomies
are used to treat adults with rigid scoliotic
curves, children with large curves causing
deformity, ?atback correction, and in spinal
reconstructions where realignment is needed after
a prior spinal fusion.
7
Surgical procedures Hemivertebrae Excision
(Removal) A hemivertebra is a wedge-shaped
vertebral body. A normal vertebra is shaped like
a rectangle. This abnormality forms before birth
and may result in scoliosis or kyphosis as the
individual grows. If scoliosis or kyphosis is
progressive, and the patient is off balance, the
abnormally shaped vertebra can be surgically
removed. The surgical procedure is performed
using an anterior-posterior approach or, more
commonly today, solely from a posterior approach.
The instrumentation (eg, rods, screws) is
implanted posteriorly and patients are often
braced for several months after surgery.
Surgical procedures
Vertebral Column Resection (VCR)
This procedure involves removing one or more
complete vertebrae either using an anterior-
posterior (front-back) or all posterior (back)
approach. In the thoracic (ribbed spine) portions
of the ribs, both sides that correspond to the
resected areas, are removed. Essentially, the
spinal column is detached, realigned, and
connected back together using spinal implants.
This type of surgery is reserved for more severe
curvatures and carrier greater neuro- logical
risk than other procedures. Results are most
often extremely gratifying to the patient.
8
Risks
  • There may be complications with any of the
    procedures for scoliosis repair.
  • Risks of any anesthesia are
  • Allergic reactions to medicines
  • Breathing problems
  • Risks of any surgery are
  • Bleeding
  • Blood clots in the legs that may travel to the
    lungs
  • Heart attack or stroke during surgery
  • Infection, including in the lungs (pneumonia),
    bladder, or kidney
  • Possible complications from any scoliosis repair
    surgery are
  • Blood loss that requires a transfusion.
  • Gallstones or pancreatitis (in?ammation of the
    pancreas).
  • Infection.
  • Intestinal obstruction (blockage).
  • Nerve injury causing muscle weakness or paralysis
    (very rare).
  • Lung problems up to 1 week after surgery.
    Breathing may not return to normal until 1 to 2
    months after surgery.
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