Watch: Amazing Surgery To Fix Curved Spine (Scoliosis)


Scoliosis is a medical condition in which a person’s spine has a sideways curve. The curve is usually “S”- or “C”-shaped. In some the degree of curve is stable, while in others it increases over time. Mild scoliosis does not typically cause problems, while severe cases can interfere with breathing. There is typically no pain present.
The cause of most cases is unknown but believed to involve a combination of genetic and environmental factors. Risk factors include other affected family members. It can also occur due to another condition such as muscles spasms, cerebral palsy, Marfan syndrome, and tumors such as neurofibromatosis. Diagnosis is confirmed with X-rays. Scoliosis is typically classified as either structural in which the curve is fixed or functional in which the underlying spine is normal.

Treatment depends on the degree of curve, location, and cause. Minor curves may simply be watched periodically. Treatments may include bracing or surgery. The brace must be fitted to the person and used daily until growing stops. There is a lack of evidence that chiropractic manipulation, dietary supplements or exercises can prevent the condition from worsening. However, exercise is still recommended due to its other health benefits.
Scoliosis occurs in about 3% of people. It most commonly occurs between the ages of ten and twenty. Girls typically are more severely affected than boys. The term is from Ancient Greek: , translit. which means “a bending”.

Signs and symptoms

Symptoms associated with scoliosis can include:

  • Pain in back, shoulders, and neck and buttock pain nearest bottom of the back
  • Respiratory and/or cardiac problems in severe cases
  • Constipation due to curvature causing “tightening” of stomach, intestines, etc.
  • Limited mobility secondary to pain or functional limitation in adults
  • Painful menstruation

The signs of scoliosis can include:

  • Uneven musculature on one side of the spine
  • Rib prominence or a prominent shoulder blade, caused by rotation of the rib cage in thoracic scoliosis
  • Uneven hips, arms or leg lengths
  • Slow nerve action
  • Heart and lung problems in severe cases
  • Calcium deposits in the cartilage endplate and sometimes in the disc itself


There are many causes of scoliosis, including spinal deformities, neuromuscular problems, and inherited diseases or conditions caused by the environment.

An estimated 65% of scoliosis cases are idiopathic, about 15% are congenital and about 10% are secondary to a neuromuscular disease.
Idiopathic scoliosis represents a majority of cases, but its causes are largely unknown. Results of recent studies indicate potential heritability of the disorder. About 38% of variance in scoliosis risk is due to genetic factors, and 62% is due to the environment. The genetics are likely complex however, given the inconsistent inheritance and discordance among monozygotic twins. The specific genes that contribute to development of scoliosis have not been conclusively identified. At least one gene, CHD7, has been associated with the idiopathic form of scoliosis. Several candidate gene studies have found associations between idiopathic scoliosis and genes mediating bone formation, bone metabolism, and connective tissue structure. Several genome-wide studies have identified a number of loci as significantly linked to idiopathic scoliosis. In 2006 idiopathic scoliosis was linked with three microsatellite polymorphisms in the MATN1 gene (encoding for Matrilin 1, cartilage matrix protein). Fifty-three single nucleotide polymorphism markers in the DNA that are significantly associated with adolescent idiopathic scoliosis were identified through a genome-wide association study.
Adolescent idiopathic scoliosis (AIS) has no clear causal agent, and is generally believed to be multifactorial. The prevalence of scoliosis is 1% to 2% among adolescents, however the likelihood of progression among adolescents with a Cobb angle of less than 20° is about 10% to 20%.
Congenital scoliosis can be attributed to a malformation of the spine during weeks three to six in utero due to a failure of formation, a failure of segmentation, or a combination of stimuli. Incomplete and abnormal segmentation results in an abnormally shaped vertebra, at times fused to a normal vertebra or unilaterally fused vertebrae, leading to the abnormal lateral curvature of the spine.

Resulting from other conditions

Secondary scoliosis due to neuropathic and myopathic conditions can lead to a loss of muscular support for the spinal column so that the spinal column is pulled in abnormal directions. Some conditions which may cause secondary scoliosis include muscular dystrophy, spinal muscular atrophy, poliomyelitis, cerebral palsy, spinal cord trauma, and myotonia. Scoliosis often presents itself, or worsens, during an adolescent’s growth spurt and is more often diagnosed in females than males.
Scoliosis associated with known syndromes is often subclassified as “syndromic scoliosis”. Scoliosis can be associated with amniotic band syndrome, Arnold-Chiari malformation, Charcot-Marie-Tooth disease, cerebral palsy, congenital diaphragmatic hernia, connective tissue disorders, muscular dystrophy, familial dysautonomia, CHARGE syndrome, Ehlers-Danlos syndrome (hyperflexibility, “floppy baby” syndrome, and other variants of the condition), fragile X syndrome,Friedreich’s ataxia, hemihypertrophy, Loeys-Dietz syndrome, Marfan’s syndrome, nail-patella syndrome, neurofibromatosis, osteogenesis imperfecta, Prader-Willi syndrome, proteus syndrome, spina bifida, spinal muscular atrophy and syringomyelia.

Another form of secondary scoliosis is the degenerative scoliosis which develops later in life secondary to degenerative (may or may not be associated with aging) changes. This is a type of deformity that starts and progresses because of the collapse of the vertebral column in an asymmetrical manner.


People who initially present with scoliosis undergo physical examination to determine whether the deformity has an underlying cause and to exclude the possibility of underlying condition more serious than simple scoliosis.

The person’s gait is assessed, and there is an exam for signs of other abnormalities (e.g., spina bifida as evidenced by a dimple, hairy patch, lipoma, or hemangioma). A thorough neurological examination is also performed, the skin for café au lait spots, indicative of neurofibromatosis, the feet for cavovarus deformity, abdominal reflexes and muscle tone for spasticity.

When a person can cooperate, he or she is asked to bend forward as far as possible. This is known as the Adams Forward Bend Test and is often performed on school students. If a prominence is noted, then scoliosis is a possibility and an X-ray may be done to confirm the diagnosis.

As an alternative, a scoliometer may be used to diagnose the condition.
When scoliosis is suspected, weight-bearing full-spine AP/coronal (front-back view) and lateral/sagittal (side view) X-rays are usually taken to assess the scoliosis curves and the kyphosis and lordosis, as these can also be affected in individuals with scoliosis. Full-length standing spine X-rays are the standard method for evaluating the severity and progression of the scoliosis, and whether it is congenital or idiopathic in nature. In growing individuals, serial radiographs are obtained at three- to 12-month intervals to follow curve progression, and, in some instances, MRI investigation is warranted to look at the spinal cord.

The standard method for assessing the curvature quantitatively is measuring the Cobb angle, which is the angle between two lines, drawn perpendicular to the upper endplate of the uppermost vertebra involved and the lower endplate of the lowest vertebra involved. For people with two curves, Cobb angles are followed for both curves. In some people, lateral-bending X-rays are obtained to assess the flexibility of the curves or the primary and compensatory curves.
Congenital and idiopathic scoliosis that develops before the age of 10 is referred to as early onset scoliosis (EOS). Scoliosis that develops after 10 is referred to as adolescent idiopathic scoliosis. Screening adolescents without symptoms for scoliosis is of unclear benefit.


The traditional medical management of scoliosis is complex and is determined by the severity of the curvature and skeletal maturity, which together help predict the likelihood of progression. The conventional options for children and adolescents are:

  • Observation
  • Bracing
  • Surgery

For adults, treatment usually focuses on relieving any pain:

  • Painkilling medication
  • Bracing
  • Surgery

Treatment for idiopathic scoliosis also depends upon the severity of the curvature, the spine’s potential for further growth, and the risk that the curvature will progress. Mild scoliosis (less than 30 degrees deviation) may simply be monitored and treated with exercise. Moderately severe scoliosis (30-45 degrees) in a child who is still growing may require bracing. Severe curvatures that rapidly progresses may be treated surgically with spinal rod placement. Bracing may prevent a progressive curvature, but evidence for this is not very strong. In all cases, early intervention offers the best results. A growing body of scientific research testifies to the efficacy of specialized treatment programs of physical therapy, which may include bracing.
A number of specific exercises or physiotherapy may be useful. Evidence to support their use however is weak.


Bracing is normally done when the person has bone growth remaining and is, in general, implemented to hold the curve and prevent it from progressing to the point where surgery is recommended. In some cases with juveniles, bracing has reduced curves significantly, going from a 40 degrees (of the curve, mentioned in length above) out of the brace to 18 degrees in it. Braces are sometimes prescribed for adults to relieve pain related to scoliosis. Bracing involves fitting the patient with a device that covers the torso; in some cases, it extends to the neck. The most commonly used brace is a TLSO, such as a Boston brace, a corset-like appliance that fits from armpits to hips and is custom-made from fiberglass or plastic. It is sometimes worn 22-23 hours a day, depending on the doctor’s prescription, and applies pressure on the curves in the spine. The effectiveness of the brace depends on not only brace design and orthotist skill but also patient compliance and amount of wear per day. The typical use of braces is for idiopathic curves that are not grave enough to warrant surgery, but they may also be used to prevent the progression of more severe curves in young children, to buy the child time to grow before performing surgery, which would prevent further growth in the part of the spine affected.

Indications for bracing: people who are still growing who present with Cobb angles less than 20 degrees should be closely monitored. People who are still growing who present with Cobb angles of 20 degrees to 29 degrees should be braced according to the risk of progression by considering age, Cobb angle increase over a six-month period, Risser sign, and clinical presentation. People who are still growing who present with Cobb angles greater than 30 degrees should be braced. However, these are guidelines and not every person will fit into this table. For example, a person who is still growing with a 17-degree Cobb angle and significant thoracic rotation or flatback could be considered for nighttime bracing. On the opposite end of the growth spectrum, a 29-degree Cobb angle and a Risser sign three or four might not need to be braced because there is reduced potential for progression. The Scoliosis Research Society’s recommendations for bracing include curves progressing to larger than 25°, curves presenting between 30 and 45°, Risser sign 0, 1, or 2 (an X-ray measurement of a pelvic growth area), and less than six months from the onset of menses in girls.
Scoliosis braces are usually comfortable, especially when well designed and well fitted, also after the 7- to 10-day break-in period. A well fitted and functioning scoliosis brace provides comfort when it is supporting the deformity and redirecting the body into a more corrected and normal physiological position.
Evidence supports that bracing prevents worsening of disease but it is unclear whether it changes quality of life, appearance, or back pain.


Surgery is usually recommended by orthopedists for curves with a high likelihood of progression (i.e., greater than 45 to 50° of magnitude), curves that would be cosmetically unacceptable as an adult, curves in patients with spina bifida and cerebral palsy that interfere with sitting and care, and curves that affect physiological functions such as breathing.

Surgery is indicated by the Society on Scoliosis Orthopaedic and Rehabilitation Treatment (SOSORT) at 45 degrees to 50 degrees and by the Scoliosis Research Society (SRS) at a Cobb angle of 45 degrees. SOSORT uses the 45-degree to 50-degree threshold as a result of the well-documented, plus or minus five degrees measurement error that can occur while measuring Cobb angles.

Surgeons that are specialized in spine surgery are the ones who perform surgery for scoliosis. To completely straighten a scoliotic spine is usually impossible, however for the most part, significant corrections are achieved.
The two main types of surgery are:

  • Anterior fusion: This surgical approach is through an incision at the side of the chest wall.
  • Posterior fusion: This surgical approach is through an incision on the back and involves the use of metal instrumentation to correct the curve.

One or both of these surgical procedures may be needed. The surgery may be done in one or two stages and, on average, takes four to eight hours.

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