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A Safe Surgical Procedure for Old Distractive Flexion Injuries of the Subaxial Cervical Spine
Osamu Kawano1, Takeshi Maeda1, Eiji Mori1
1Department of Orthopaedic Surgery, Spinal Injuries Center, Fukuoka, Japan.
Study Design:
Retrospective review.
Purpose:
To describe a safe and effective surgical procedure for old distractive flexion (DF) injuries of the subaxial cervical spine.
Overview Of Literature:
Surgical treatment is required in old cases when a progression of the kyphotic deformity and/or persistent neck pain and/or the appearance of new neurological symptoms are observed. Since surgical treatment is more complicated and dangerous in old cases than in acute distractive-flexion cases, the indications for surgery and the selection of the surgical procedure must be carefully conducted.
Methods:
To identify a safe and effective surgical procedure, the procedure selected, reason(s) for its selection, and associated neurological complications were investigated in 13 patients with old cervical DF injuries.
Results:
No neurological complications were observed in nine patients (DF stage 2 or 3) who underwent the anterior-posterior-anterior (A-P-A) method and two patients (DF stage 1) who underwent the posterior method. It was initially planned that two patients (DF stage 2) who underwent the P-A method would be treated using the Posterior method alone; however, anterior discectomy was added to the procedure after the development of a severe spinal cord disorder.
Conclusions:
The A-P-A method (anterior discectomy, posterior release and/or partial facetectomy, reduction and instrumentation, anterior bone grafting) is considered to be a suitable surgical procedure for old cervical DF injuries.
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