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KMID : 1001920190620060671
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Journal of Korean Neurosurgical Society
2019 Volume.62 No. 6 p.671 ~ p.680
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Surgical Reconstruction Using a Flanged Mesh Cage without Plating for Cervical Spondylotic Myelopathy and a Symptomatic Ossified Posterior Longitudinal Ligament
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Kang Jung-Hoon
Im Soo-Bin
Yang Sang-Mi
Chung Moon-Young
Jeong Je-Hoon
Kim Bum-Tae
Hwang Sun-Chul
Shin Dong-Seong
Park Jong-Hyun
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Abstract
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Objective: We introduce innovative method of cervical column reconstruction and performed the reconstruction with a flanged titanium mesh cage (TMC) instead of a plate after anterior corpectomy for cervical spondylotic myelopathy (CSM) and an ossified posterior longitudinal ligament (OPLL).
Methods: Fifty patients with CSM or OPLL who underwent anterior cervical reconstruction with a flanged TMC were investigated retrospectively. Odom’s criteria were used to assess the clinical outcomes. The radiographic evaluation included TMC subsidence, fusion status, and interbody height. Thirty-eight patients underwent single-level and 12 patients underwent two-level corpectomy with a mean follow-up period of 16.8 months.
Results: In all, 19 patients (38%) had excellent outcomes and 25 patients (50%) had good outcomes. Two patients (4%) in whom C5 palsy occurred were categorized as poor. The fusion rate at the last follow-up was 98%, and the severe subsidence rate was 34%. No differences in subsidence were observed among Odom’s criteria or between the single-level and two-level corpectomy groups.
Conclusion: The satisfactory outcomes in this study indicate that the flanged TMC is an effective graft for cervical reconstruction.
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KEYWORD
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Cervical vertebrae, Ossification of posterior longitudinal ligament, Spondylosis, Titanium
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