Reoperation for Late Neurological Deterioration After Laminoplasty in Individuals With Degenerative Cervical Myelopathy: Comparison of Cases of Cervical Spondylosis and Ossification of the Posterior Longitudinal Ligament.

Spine
Hiroaki NakashimaShiro Imagama

Abstract

Retrospective cohort study. The objective of this study was to elucidate the rate and causes of reoperation for late neurological deterioration after cervical laminoplasty by comparing cases of cervical spondylotic myelopathy (CSM) with those of ossification of the posterior longitudinal ligament (OPLL). Although the long-term surgical outcomes of cervical laminoplasty in patients with CSM or OPLL are satisfactory, reoperation is sometimes required for late neurological deterioration after laminoplasty. However, limited information is available about long-term follow-up in such cases. This retrospective cohort study included 623 patients who underwent cervical laminoplasty for cervical myelopathy (average follow-up duration, 6.1 [range, 2-15] years). The rate of reoperations for late neurological deterioration (>6 mo after the initial surgery) was investigated. Primary diagnoses were CSM and OPLL in 522 (83.8%) and 101 (16.2%) patients, respectively. During the follow-up period, 10 (1.6%) patients required reoperation: 7 (1.3%) in the CSM group and 3 (3.0%) in the OPLL group. No significant difference was found between the CSM and OPLL groups regarding patients requiring reoperation (P = 0.26). The mean elapsed time between pri...Continue Reading

References

Jun 5, 2003·Clinical Orthopaedics and Related Research·Yoshiharu KawaguchiTomoatsu Kimura
Mar 2, 2010·The Journal of Bone and Joint Surgery. British Volume·S ImagamaUNKNOWN Nagoya Spine Group
Jan 28, 2015·JBJS Essential Surgical Techniques·Hiroaki NakashimaFumihiko Kato
Jan 9, 2019·International Journal of Spine Surgery·John A Rodriguez-FeoR Alden Milam

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