Surgical outcome following laminectomy and posterior instrumentation for multi-level cervical degenerative disc disease

Puja Chaurasia; Somraj Lamichhane; Rajiv Jha; Rajendra Shrestha; Binod Rajbhandari; Sameer Aryal; Namrata Khadka; Sulabh Rajbhandari

doi:10.3126/njn.v23i2.93160

Authors

Puja Chaurasia Department of Neurosurgery, Bir Hospital, National Academy of Medical Science Kathmandu, Nep https://orcid.org/0000-0002-5300-3614
Somraj Lamichhane Department of Neurosurgery, National Trauma Center, National Academy of Medical Science Kathmandu, Nepal https://orcid.org/0000-0002-0978-9509
Rajiv Jha Department of Neurosurgery, Bir Hospital, National Academy of Medical Science Kathmandu, Nepal https://orcid.org/0000-0002-2830-7835
Rajendra Shrestha Department of Neurosurgery, Bir Hospital, National Academy of Medical Science Kathmandu, Nepal https://orcid.org/0000-0003-2097-0699
Binod Rajbhandari Department of Neurosurgery, Bir Hospital, National Academy of Medical Science Kathmandu, Nepal
Sameer Aryal Department of Neurosurgery, Bir Hospital, National Academy of Medical Science Kathmandu, Nepal https://orcid.org/0000-0002-3863-5410
Namrata Khadka Department of Neurosurgery, Bir Hospital, National Academy of Medical Science Kathmandu, Nepal https://orcid.org/0000-0002-7520-8944
Sulabh Rajbhandari Department of Neurosurgery, Bir Hospital, National Academy of Medical Science Kathmandu, Nepal https://orcid.org/0009-0006-0457-0563

Keywords:

Degenerative cervical myelopathy, Hirabayashi recovery rate, posterior laminectomy, instrumentation, Sagittal alignment

Abstract

Introduction: Multilevel cervical degenerative disc disease is a major cause of spinal cord compression leading to progressive myelopathy. Posterior decompression with instrumentation provides effective decompression with spinal stability.

Methods: A prospective observational study was conducted among 34 patients undergoing multilevel cervical laminectomy with posterior instrumentation. Clinical outcomes were assessed using mJOA score, Visual Analog Scale (VAS), and Nurick grading. Neurological recovery was evaluated using the Hirabayashi recovery rate. Cervical lordosis was measured using the C2–C7 Cobb angle.

Results: The mean age was 58.1±8.2 years. Significant improvement was observed in mJOA, VAS, and Nurick grade (p<0.05). Favorable outcome based on Hirabayashi recovery rate was achieved in 76.5% of patients. Cervical lordosis improved significantly, and fusion rate was 94.1%.

Conclusions: Posterior cervical laminectomy with instrumentation is a safe and effective procedure for multilevel cervical degenerative disease.

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Surgical outcome following laminectomy and posterior instrumentation for multi-level cervical degenerative disc disease

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