Selection of fusion levels for posterior instrumentation and fusion in idiopathic scoliosis.

The selection of fusion levels in idiopathic scoliosis is an important decision. Careful analysis of curve patterns and preoperative planning will help with the fusion and in the selection of fusion levels. The goal of treatment is to achieve a stable, balanced spine and yet maintain as much flexibility in the lumbar spine as possible. This article helps establish guidelines for curve analysis and the selection of fusion levels.