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Article: Characterization of graft subsidence in anterior cervical discectomy and fusion with rigid anterior plate fixation.

TitleCharacterization of graft subsidence in anterior cervical discectomy and fusion with rigid anterior plate fixation.
Authors
KeywordsSamartzis, D.
Department Of Epidemiology, Radiation Effects Research Foundation, Hiroshima, Japan., © Medline Is The Source For The Citation And Abstract Of This Record.
Issue Date2007
Citation
American Journal Of Orthopedics (Belle Mead, N.J.), 2007, v. 36 n. 8, p. 421-427 How to Cite?
AbstractThis study addressed radiographically the evaluation, presence, location, and degree of subsidence with secondary focus on the various clinical parameters and outcomes in 32 patients who underwent anterior cervical discectomy and fusion (ACDF) with tricortical iliac crest bone grafts and rigid anterior plate fixation. Postoperative follow-up plain radiographs were evaluated to determine subsidence on lateral neutral images by measuring the change in height of interscrew distance (ISD) and anterior (AVD), mid (MVD), and posterior (PVD) vertebral endplate-to-endplate vertical distances. Clinical functional outcome and various risk factors were also addressed. A 100% fusion rate was achieved, no instrumentation-related complications were noted, and mild graft subsidence occurred in each patient after the initial 2 months of surgery. Mean AVD, MVD, and PVD were 1.2 mm, 0.4 mm and 0.6 mm, respectively. Mean ISD was 0.6 mm. Percent change for AVD, MVD, PVD, and ISD was 2.3%, 0.8%, 1.2%, and 1.2%, respectively. Subsidence was more pronounced at the anterior vertebral graft-endplate interface (P < .05). Satisfactory clinical results were reported in 90.9% of the patients. With such a sample size, age, sex, smoking status, plate design, graft type, and operative or number of fused levels did not demonstrate statistically significant differences to the degree of subsidence. This paper has shown that ACDF with tricortical bone grafts and rigid plating is associated with slight subsidence, graft load-sharing, high fusion rate, and excellent clinical outcome.
Persistent Identifierhttp://hdl.handle.net/10722/92908
ISSN

 

DC FieldValueLanguage
dc.contributor.authorSamartzis, Den_HK
dc.contributor.authorMarco, RAen_HK
dc.contributor.authorJenis, LGen_HK
dc.contributor.authorKhanna, Nen_HK
dc.contributor.authorBanco, RJen_HK
dc.contributor.authorGoldberg, EJen_HK
dc.contributor.authorAn, HSen_HK
dc.date.accessioned2010-09-22T05:03:26Z-
dc.date.available2010-09-22T05:03:26Z-
dc.date.issued2007en_HK
dc.identifier.citationAmerican Journal Of Orthopedics (Belle Mead, N.J.), 2007, v. 36 n. 8, p. 421-427en_HK
dc.identifier.issn1934-3418en_HK
dc.identifier.urihttp://hdl.handle.net/10722/92908-
dc.description.abstractThis study addressed radiographically the evaluation, presence, location, and degree of subsidence with secondary focus on the various clinical parameters and outcomes in 32 patients who underwent anterior cervical discectomy and fusion (ACDF) with tricortical iliac crest bone grafts and rigid anterior plate fixation. Postoperative follow-up plain radiographs were evaluated to determine subsidence on lateral neutral images by measuring the change in height of interscrew distance (ISD) and anterior (AVD), mid (MVD), and posterior (PVD) vertebral endplate-to-endplate vertical distances. Clinical functional outcome and various risk factors were also addressed. A 100% fusion rate was achieved, no instrumentation-related complications were noted, and mild graft subsidence occurred in each patient after the initial 2 months of surgery. Mean AVD, MVD, and PVD were 1.2 mm, 0.4 mm and 0.6 mm, respectively. Mean ISD was 0.6 mm. Percent change for AVD, MVD, PVD, and ISD was 2.3%, 0.8%, 1.2%, and 1.2%, respectively. Subsidence was more pronounced at the anterior vertebral graft-endplate interface (P < .05). Satisfactory clinical results were reported in 90.9% of the patients. With such a sample size, age, sex, smoking status, plate design, graft type, and operative or number of fused levels did not demonstrate statistically significant differences to the degree of subsidence. This paper has shown that ACDF with tricortical bone grafts and rigid plating is associated with slight subsidence, graft load-sharing, high fusion rate, and excellent clinical outcome.en_HK
dc.languageengen_HK
dc.relation.ispartofAmerican journal of orthopedics (Belle Mead, N.J.)en_HK
dc.subjectSamartzis, D.en_HK
dc.subjectDepartment Of Epidemiology, Radiation Effects Research Foundation, Hiroshima, Japan., © Medline Is The Source For The Citation And Abstract Of This Record.en_HK
dc.titleCharacterization of graft subsidence in anterior cervical discectomy and fusion with rigid anterior plate fixation.en_HK
dc.typeArticleen_HK
dc.identifier.emailSamartzis, D:dspine@hku.hken_HK
dc.identifier.authoritySamartzis, D=rp01430en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid17849027-
dc.identifier.scopuseid_2-s2.0-34748922927en_HK
dc.identifier.volume36en_HK
dc.identifier.issue8en_HK
dc.identifier.spage421en_HK
dc.identifier.epage427en_HK
dc.identifier.scopusauthoridSamartzis, D=34572771100en_HK
dc.identifier.scopusauthoridMarco, RA=7005025703en_HK
dc.identifier.scopusauthoridJenis, LG=6701454731en_HK
dc.identifier.scopusauthoridKhanna, N=22034938200en_HK
dc.identifier.scopusauthoridBanco, RJ=7801601769en_HK
dc.identifier.scopusauthoridGoldberg, EJ=7202029821en_HK
dc.identifier.scopusauthoridAn, HS=7202277351en_HK

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