Scoliosis Surgery: Curve Considerations

Double "S" curves may require fusing both curves. Sometimes a selective fusion of only one curve can be done. Selective fusions require that one curve be relatively flexible; therefore, it does not need to be operated on.

If a selective fusion is performed, the second curve will be closely observed. If the second curve becomes larger, it may be treated by bracing (growing children) or may require surgery at a later time. The advantage of a selective fusion is that more motion segments are preserved than when more than one curve is fused.

Large, stiff (rigid) curves may require a combined front and back (anterior-posterior) surgery. Front and back surgeries are either performed on the same day or are staged to be performed as two separate procedures several days apart (sometimes longer). Occasionally, a rigid severe curve can be addressed all from a posterior approach with a procedure termed "vertebral column resection".

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