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REVIEW ARTICLE
Year : 2010  |  Volume : 44  |  Issue : 1  |  Page : 9-13

The natural history of adolescent idiopathic scoliosis


University Spine Center, University Orthopedics, Hand and Reconstructive Microsurgery Cluster, National University Health System, Singapore

Correspondence Address:
Hee-Kit Wong
National University Hospital, 5, Lower Kent Ridge Road 119 074
Singapore
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5413.58601

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There have been great advances in the conservative and surgical treatment for adolescent idiopathic scoliosis in the last few decades. The challenge for the physician is the decision for the optimal time to institute therapy for the individual child. This makes an understanding of the natural history and risk factors for curve progression of significant importance. Reported rates of curve progression vary from 1.6% for skeletally mature children with a small curve magnitude to 68% for skeletally immature children with larger curve magnitudes. Although the patient's age at presentation, the Risser sign, the patient's menarchal status and the magnitude of the curve have been described as risk factors for curve progression, there is evidence that the absolute curve magnitude at presentation may be most predictive of progression in the long term. A curve magnitude of 25º at presentation may be predictive of a greater risk of curve progression. Advances in research may unlock novel predictive factors, which are based on the underlying pathogenesis of this disorder.


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