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Spinal deformity after multiple-level cervical laminectomy in children

D F Bell1, J L Walker, G O'Connor

  • 1Division of Orthopaedic Surgery, Hospital for Sick Children, Toronto, Ontario, Canada.

Spine
|February 15, 1994
PubMed
Summary

Spinal deformity is common after pediatric cervical laminectomy, with over half of patients developing kyphosis or hyperlordosis. Age at surgery influences the type of spinal deformity that occurs.

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Area of Science:

  • Orthopedics
  • Neurosurgery
  • Pediatric Spine Surgery

Background:

  • Spinal deformity after multiple-level cervical laminectomy in children is controversial.
  • Cervical laminectomy is performed for conditions like Arnold-Chiari malformation and syringomyelia.

Purpose of the Study:

  • To determine the incidence and nature of spinal deformity after pediatric cervical laminectomy.
  • To identify factors correlating with the development of spinal deformity.

Main Methods:

  • Retrospective review of 89 pediatric patients who underwent multiple-level cervical laminectomy.
  • Radiographic follow-up averaging 5.1 years.
  • Analysis of correlation between age at surgery, diagnosis, sex, and subsequent spinal deformity.

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Main Results:

  • 53% of patients developed significant spinal deformity.
  • 33 patients developed kyphosis (mean 30 degrees); 13 developed hyperlordosis (mean 62 degrees).
  • Age at surgery correlated with kyphosis (weakly) and hyperlordosis (strongly). No correlation found with diagnosis, sex, or levels decompressed.

Conclusions:

  • Pediatric cervical laminectomy is associated with a high incidence of spinal deformity.
  • Age at surgery is a critical factor in the development of kyphosis and hyperlordosis.
  • Further research is needed to understand the long-term implications and management of these deformities.