title: A new method of stabilising the elevated laminae in open-door laminoplasty using an anchor system.
abstract: We treated 12 patients with multilevel stenosis of the cervical canal after spondylosis or ossification of the posterior longitudinal ligament by an expansive open-door laminoplasty, stabilised by using an anchor system. The preoperative sagittal diameter of the canal was 9.8 mm(+/-2.2) which was increased to 16.1 mm(+/-2.9) after surgery. The mean expansion ratio of the canal was 64% (42 to 100). The anchoring systems did not fail during the follow-up period (mean 29.5 months), and the decompression was maintained. The use of anchor systems to stabilise the posterior elements after laminoplasty is a simple and effective technique for maintaining the increased sagittal diameter of the canal.
authors.affiliation: Department of Orthopaedic Surgery, Ewha Womans University Hospital and Ewha Medical Research Centre, Seoul, Korea.
authors.forename: J M
authors.initials: JM
authors.lastname: Wang
authors.forename: K J
authors.initials: KJ
authors.lastname: Roh
authors.forename: D J
authors.initials: DJ
authors.lastname: Kim
authors.forename: D W
authors.initials: DW
authors.lastname: Kim
mesh_terms: D000368:Aged; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D009999:Ossification, Heterotopic / Q000150:complications; D011859:Radiography; D013128:Spinal Osteophytosis / Q000150:complications; D013130:Spinal Stenosis / Q000601:surgery*