• R F Widmann, M T Hresko, and J E Hall.
• Department of Orthopaedic Surgery, Hospital for Special Surgery, Cornell University Medical College, New York, NY 10021, USA.
• Clin. Orthop. Relat. Res. 1999 Jul 1(364):85-91.

AbstractBetween 1986 and 1995 10 patients who were 9 to 18 years of age underwent posterior spinal fusion and instrumentation to the pelvis for correction of spinal deformity using the modified sacral bar technique at the authors' institution. Etiologies of the spinal deformity included congenital scoliosis, cerebral palsy, myelomeningocele, neurofibromatosis, and postlaminectomy kyphosis. Indications for pelvic instrumentation were progressive scoliosis of the lower lumbar spine, pelvic obliquity greater than 15 degrees, and dysraphic posterior elements. Five of the patients had prior spinal surgery. Five patients had a prior or a planned pelvic osteotomy. Nine of the patients achieved lumbosacral fusion without an additional procedure. Major complications included loss of pelvic fixation in two patients, and a dural leak and a wound infection in another patient with myelomeningocele. Mean scoliotic curve correction was from 71.9 degrees to 34.5 degrees at final followup. Lumbar lordosis essentially was unchanged. Pelvic obliquity was corrected from a mean of 20.5 degrees preoperatively to a mean of 7.6 degrees at final followup. The modified sacral bar technique was selected for fusion to the sacrum because of planned or prior pelvic osteotomies, prior posterior spinal fusion and instrumentation, sacral dysraphism, or local anatomic anomalies. The modified sacral bar technique proved to be an effective technique in these patients.

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