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Wheeless' Textbook of Orthopaedics
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Fusion to Sacrum





- Discussion:
    - in adults, a two-stage anterior and posterior procedure is performed;
    - w/ this technique, rate of pseudarthrosis is < 5 %;
    - CD instrumentation:
            - another advantage of this instrumentation is improved fixation to sacrum,
                    w/ pedicular screws used instead of Harrington hooks or Luque rods;
- Myelomenigocele:
    - arthrodesis to pelvis is often needed to correct severe pelvic
          obliquity and dysraphism;
    - in pts w/ high-level myelomeningocele, it is important to fuse to
          sacrum if the curve is major and cannot be corrected below 15 deg;
    - in child w/ low lumbar myelomeningocele who is able to walk, a fusion
          to sacrum will impair walking ability & confine child to wheelchair;
    - sacrum is not be fused in walking child unless absolutely necessary;

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Fusion to the sacrum for nonparalytic scoliosis in the adult.

Treatment of scoliosis in the adult thoracolumbar spine with special
    reference to fusion to the sacrum.

The Galveston experience with L-rod instrumentation for adolescent
    idiopathic scoliosis.




Original Text by Clifford R. Wheeless, III, MD.