Progression Risk For Adolescent Idiopathic Scoliosis:
With regards to adolescent idiopathic scoliosis, below is a progression risk chart developed by the Scoliosis Research Society. The chart reflects the probability of progression for untreated scoliosis. Normally children with curves under 20 degrees are not treated because the risk of progression is low but certainly not insignificant when it's your child!
According to some studies, the best that can be hoped for a child with AIS is to maintain pre-brace levels once skeletal maturity is reached and bracing is discontinued (not so with my daughter ---see our scoliosis story) So why then are parents advised to wait for curves to progress further before commencing treatment???? Also the larger the curve, the less likely bracing will be effective. Personally, if I had a child with AIS and he/she presented with a 23 degree curve, it clearly doesn't make any sense to wait for it to progress to 30 degrees or more before starting treatment! Think about it! Curves at skeletal maturity under 30 degrees generally will not progress into adulthood -- 10% risk according to the chart. If the curve is under 20 degrees at skeletal maturity, the chance of progression is 0 % .
Data generated by the Scoliosis Research Society, Chicago, Illinois,USA
Correcting Scoliosis during the AIS
Jonathan R. Schiller MD et. al.,. 2009: Brace Management in Adolescent Idiopathic Scoliosis
Hitesh N. Modi, MS,* Seung Woo Suh, MD, PhD et.al., 2009: Drooping of Apical Convex Rib-vertebral Angle in Adolescent Idiopathic Scoliosis of More Than 40 Degrees A Prognostic Factor for Progression
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