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 ORIGINAL ARTICLE
Year : 2004  |  Volume : 52  |  Issue : 1  |  Page : 54--58

Efficacy and results of expansive laminoplasty in patients with severe cervical myelopathy due to cervical canal stenosis


Department of Neurosurgery, Neurosciences center, All India Institute of Medical Sciences,New Delhi - 110029, India

Correspondence Address:
B S Sharma
Department of Neurosurgery, Neurosciences center, All India Institute of Medical Sciences,New Delhi - 110029
India
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Source of Support: None, Conflict of Interest: None


PMID: 15069239

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Aims and objectives: To assess the efficacy and results of expansive laminoplasty in advanced (Nurick’s Grade III or greater) cervical myelopathy. Materials and Methods: We reviewed data in 24 patients who underwent cervical laminoplasty from January 1999 to December 2002. Nuricks grading was used for quantifying the neurological deficits and outcome analysis was done using Odom’s criteria. A modified Hirabayashi’s open door laminoplasty was done using Titanium miniplates and screws in 22 patients, autologous bone in one and hydroxyapatite spacer in one patient. Observations: There were 3 females and 21 males with a mean age of 56 years (range 39-72 years). Four patients presented in Nuricks Grade III, 15 in Grade IV and five in Grade V. MR imaging showed MSCS in 21 cases, OPLL in nine cases and ligamentum flavum hypertrophy in nine cases with cord signal changes being present in 19 cases. Results: All patients with duration of symptoms less than three years, and 50 % with duration ranging from three to six years had improvement by at least one Nurick’s grade following surgery. Eighty-seven per cent Grade IV patients (ambulatory with support) improved to Grade III (ambulatory without support) following laminoplasty. Using Odom’s criteria, 23 patients (95.8%) had a good to fair outcome. Conclusions: Cord decompression with expansive laminoplasty using titanium miniplate fixation may improve the neurological outcome even in patients presenting late, and improvement by even one grade may have major ‘quality of life’ benefits for these patients.






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