Multifactor Analysis on the Outcomes of Cervical Spondylotic Myelopathy with Expansive Open-door Laminoplasty
2012
mean ± SD JOA scores were 9.6 ± 1.4 and 14.7 ± 1.9, respectively, indicating an improvement of 68.9%. Factors that were significantly related to ‘excellent’ ( ≥ 75%) or ‘good’ ( ≥ 50% ‐ < 75%) recovery rates included a high preoperative JOA score, short duration of CSM ( ≤ 12 months) and patient age < 50 years. Significant reductions in cervical curvature angle were only observed in patients with axial symptoms. CONCLUSIONS: These results indicate that CSM should be treated early. The severity of CSM, the patient’s age, cervical curvature angle, operation technique and axial symptoms play important roles in clinical outcomes.
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