Adolescent idiopathic scoliosis affects about 3% of the general population. Most children will not have curves progressing beyond 20° and do not require active treatment. However, almost all curves progress during puberty; in particular, thoracic curves have the highest risk of progression. The risk of progression is related to the severity of the deformity at the onset of the pubertal growth spurt, which is the turning point in the natural history of idiopathic scoliosis. The scoliotic risk varies with growth, and it is proportional to both the amount of remaining growth and the severity of the deformity. As a rule of thumb, deformities less than 45° at skeletal maturity tend to remain stable during adulthood, while those over 50° tend to progress, and surgery is generally recommended during adolescence.
Progression Risk of Adolescent Idiopathic Scoliosis During Puberty and Natural History Chapter 17
Canavese F
2022-01-01
Abstract
Adolescent idiopathic scoliosis affects about 3% of the general population. Most children will not have curves progressing beyond 20° and do not require active treatment. However, almost all curves progress during puberty; in particular, thoracic curves have the highest risk of progression. The risk of progression is related to the severity of the deformity at the onset of the pubertal growth spurt, which is the turning point in the natural history of idiopathic scoliosis. The scoliotic risk varies with growth, and it is proportional to both the amount of remaining growth and the severity of the deformity. As a rule of thumb, deformities less than 45° at skeletal maturity tend to remain stable during adulthood, while those over 50° tend to progress, and surgery is generally recommended during adolescence.
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