J Korean Orthop Assoc.  2005 Sep;40(5):583-590.

Pedicle Screw Fixation in Pediatric Spinal Deformities: Results for patients under 10 years old

Affiliations
  • 1Seoul Spine Institute, Inje University Sanggye-Paik Hospital, Seoul, Korea. toetotoe1@sanggyepaik.ac.kr

Abstract

PURPOSE
We wanted to determine the efficacy of performing pedicle screw fixation to treat pediatric spinal deformities and we also wanted to evaluate its long-term effects on the growing spine. MATERIALS AND METHODS: Thirty-eight consecutive spinal deformity patients (25 congenital, 9 idiopathic and 4 other etiologies) under 10 years old at the time of the surgery who underwent pedicle screw instrumentation were reviewed after a minimum follow up of 2 years (range: 2 to 7 years). To evaluate the effect of the pedicle screws on the growing spine, a thin slice CT scan was performed in 27 patients (72%) at the last follow up. The patients were treated by posterior fusion with segmental pedicle screw fixation being performed in 21 patients, vertebral column resection combined with segmental pedicle screw fixation was done in 16 patients and combined anterior and posterior correction was done in 1 patient. RESULTS: The frontal correction was 67.2% in the posterior fusion group, 71.5% in the posterior resection group and 64.7% in the patients who underwent combined anterior and posterior correction. A mean correction of 20degrees was obtained in the sagittal plane. A total of 341 pedicle screws were inserted (an average of 8.9 screws per patient). The complications were comprised of 7 screw malpositions (2.1%), 1 loss of fixation (screw pull-out), 1 recurrence of deformity and one superficial infection. There were no significant neurological or vascular complications. Any Symptoms or radiological evidence suggestive of spinal stenosis were not detected in any of the patients. CONCLUSION: Pedicle screw fixation may be used with the same efficacy for pediatric spinal deformities, and even for the patients under 10 years old, without causing any hazard of iatrogenic spinal stenosis.

Keyword

Spine deformity; Pediatric; Pedicle screw fixation

MeSH Terms

Child*
Congenital Abnormalities*
Follow-Up Studies
Humans
Recurrence
Spinal Stenosis
Spine
Tomography, X-Ray Computed
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