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Treatment of cervical OPLL by cervical anterior fusion using autologous vertebral bone grafts.
Acta Neurochir (Wien). 2009 Nov; 151(11):1549-55.AN

Abstract

BACKGROUND

In anterior fusion, we use autologous bone grafts from cervical vertebral bodies and bioabsorptive screws to prevent graft extrusion (Williams-Isu method). We report the application of and indication for the Williams-Isu method for OPLL and present our clinical and radiological results.

METHODS

Using the Williams-Isu method, we treated 17 patients with cervical OPLL; 15 had segmental- and 2 had continuous-type OPLL. The median follow-up term was 24 months. The patients underwent anterior decompression and fusion at a single level (n = 8) or at two levels (n = 9). As a control, 17 patients with cervical spondylosis underwent anterior single-level decompression and fusion using the Williams-Isu method. Pre- and postoperative radiographs of the cervical spine were obtained in all patients, and the alignment of the whole cervical and fused segment and the height of the fused segment were compared.

RESULTS

All but one patient experienced alleviation of clinical symptoms without deterioration during the follow-up period. The recovery rate on the JOA score was 71.7%. The patient with continuous-type OPLL suffered postoperative neurological deterioration because of a remnant of the upper-level OPLL. Radiological studies confirmed the absence of bone graft dislocation and fracture, and of satisfactory bone fusion in all patients. There was no significant difference between the two patient groups with respect to whole spine alignment and the alignment and height of the fused segment.

CONCLUSIONS

The Williams-Isu method is useful for treating not only cervical spondylosis but also cervical segmental OPLL at one or two levels.

Authors+Show Affiliations

Department of Neurosurgery, Chiba Hokusoh Hospital, Nippon Medical School, Inba-gun, Chiba 270-1694, Japan. kyongson@nms.ac.jpNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19657579

Citation

Kim, Kyongsong, et al. "Treatment of Cervical OPLL By Cervical Anterior Fusion Using Autologous Vertebral Bone Grafts." Acta Neurochirurgica, vol. 151, no. 11, 2009, pp. 1549-55.
Kim K, Isu T, Sugawara A, et al. Treatment of cervical OPLL by cervical anterior fusion using autologous vertebral bone grafts. Acta Neurochir (Wien). 2009;151(11):1549-55.
Kim, K., Isu, T., Sugawara, A., Morimoto, D., Matsumoto, R., Isobe, M., Mishina, M., Kobayashi, S., & Teramoto, A. (2009). Treatment of cervical OPLL by cervical anterior fusion using autologous vertebral bone grafts. Acta Neurochirurgica, 151(11), 1549-55. https://doi.org/10.1007/s00701-009-0478-z
Kim K, et al. Treatment of Cervical OPLL By Cervical Anterior Fusion Using Autologous Vertebral Bone Grafts. Acta Neurochir (Wien). 2009;151(11):1549-55. PubMed PMID: 19657579.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Treatment of cervical OPLL by cervical anterior fusion using autologous vertebral bone grafts. AU - Kim,Kyongsong, AU - Isu,Toyohiko, AU - Sugawara,Atsushi, AU - Morimoto,Daijiro, AU - Matsumoto,Ryoji, AU - Isobe,Masanori, AU - Mishina,Masahiro, AU - Kobayashi,Shiro, AU - Teramoto,Akira, Y1 - 2009/08/06/ PY - 2009/05/03/received PY - 2009/07/22/accepted PY - 2009/8/7/entrez PY - 2009/8/7/pubmed PY - 2010/2/2/medline SP - 1549 EP - 55 JF - Acta neurochirurgica JO - Acta Neurochir (Wien) VL - 151 IS - 11 N2 - BACKGROUND: In anterior fusion, we use autologous bone grafts from cervical vertebral bodies and bioabsorptive screws to prevent graft extrusion (Williams-Isu method). We report the application of and indication for the Williams-Isu method for OPLL and present our clinical and radiological results. METHODS: Using the Williams-Isu method, we treated 17 patients with cervical OPLL; 15 had segmental- and 2 had continuous-type OPLL. The median follow-up term was 24 months. The patients underwent anterior decompression and fusion at a single level (n = 8) or at two levels (n = 9). As a control, 17 patients with cervical spondylosis underwent anterior single-level decompression and fusion using the Williams-Isu method. Pre- and postoperative radiographs of the cervical spine were obtained in all patients, and the alignment of the whole cervical and fused segment and the height of the fused segment were compared. RESULTS: All but one patient experienced alleviation of clinical symptoms without deterioration during the follow-up period. The recovery rate on the JOA score was 71.7%. The patient with continuous-type OPLL suffered postoperative neurological deterioration because of a remnant of the upper-level OPLL. Radiological studies confirmed the absence of bone graft dislocation and fracture, and of satisfactory bone fusion in all patients. There was no significant difference between the two patient groups with respect to whole spine alignment and the alignment and height of the fused segment. CONCLUSIONS: The Williams-Isu method is useful for treating not only cervical spondylosis but also cervical segmental OPLL at one or two levels. SN - 0942-0940 UR - https://www.unboundmedicine.com/medline/citation/19657579/Treatment_of_cervical_OPLL_by_cervical_anterior_fusion_using_autologous_vertebral_bone_grafts_ L2 - https://dx.doi.org/10.1007/s00701-009-0478-z DB - PRIME DP - Unbound Medicine ER -