{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T18:04:08Z","timestamp":1786125848917,"version":"build-2736575974"},"reference-count":4,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","license":[{"start":{"date-parts":[[2020,12,29]],"date-time":"2020-12-29T00:00:00Z","timestamp":1609200000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":["Operative Surg.","ONSURG"],"published-print":{"date-parts":[[2021,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    The anterior decompression technique, including vertebral body sliding osteotomy\n                    <jats:sup>1<\/jats:sup>\n                    and anterior controllable antedisplacement fusion (ACAF),\n                    <jats:sup>2<\/jats:sup>\n                    treats ossified posterior longitudinal ligament (OPLL) without actual excision of the OPLL.\n                    <jats:sup>3<\/jats:sup>\n                    The fundamental strategy is to separate the mid-portion of the vertebral body along with the OPLL using bilateral anterior osteotomies followed by controllable antedisplacement. These techniques restore the space of the spinal canal anteriorly by anterior translation of the OPLL, avoiding excision and dural manipulation.\n                    <jats:sup>4<\/jats:sup>\n                    We illustrate the case of a patient who had failed laminoplasty and the surgical decision making for ACAF. We discuss the other surgical options regarding patient selection, present preoperative and postoperative imaging, to demonstrate the efficacy of ACAF and show strategies of ACAF to make it a safe and effective procedure. We demonstrate our technique of ACAF using the intraoperative microscope and models in this video to illustrate the steps of ACAF. A written consent to the procedure was obtained from the patient.\n                  <\/jats:p>","DOI":"10.1093\/ons\/opaa376","type":"journal-article","created":{"date-parts":[[2020,12,29]],"date-time":"2020-12-29T10:31:07Z","timestamp":1609237867000},"page":"E221-E221","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":2,"title":["Microsurgical Anterior Controllable Antedisplacement Fusion to Treat Cervical Ossified Posterior Longitudinal Ligament: 2-Dimensional Operative Video"],"prefix":"10.1227","volume":"20","author":[{"given":"Wanru","family":"Duan","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0310-8263","authenticated-orcid":false,"given":"Dean","family":"Chou","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of California, San Francisco, San Francisco, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fengzeng","family":"Jian","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zan","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2021,3]]},"reference":[{"issue":"6","key":"bib1-20251027","doi-asserted-by":"crossref","first-page":"1099","DOI":"10.1016\/j.spinee.2018.02.022","article-title":"A novel anterior decompression technique (vertebral body sliding osteotomy) for ossification of posterior longitudinal ligament of the cervical spine","volume":"18","author":"Lee","year":"2018","journal-title":"Spine J."},{"issue":"6","key":"bib2-20251027","doi-asserted-by":"crossref","first-page":"1469","DOI":"10.1007\/s00586-017-5437-4","article-title":"Anterior controllable antidisplacement and fusion surgery for the treatment of multilevel severe ossification of the posterior longitudinal ligament with myelopathy: preliminary clinical results of a novel technique","volume":"27","author":"Sun","year":"2018","journal-title":"Eur Spine J"},{"key":"bib3-20251027","doi-asserted-by":"crossref","first-page":"e527","DOI":"10.1016\/j.wneu.2017.12.113","article-title":"Risk factors and management of dural defects in anterior surgery for cervical ossification of the posterior longitudinal ligament","volume":"111","author":"Du","year":"2018","journal-title":"World Neurosurg"},{"issue":"4","key":"bib4-20251027","doi-asserted-by":"crossref","first-page":"425","DOI":"10.3171\/spi.2005.2.4.0425","article-title":"Dural ossification associated with cervical ossification of the posterior longitudinal ligament: frequency of dural ossification and comparison of neuroimaging modalities in ability to identify the disease","volume":"2","author":"Mizuno","year":"2005","journal-title":"J Neurosurg Spine"}],"container-title":["Operative Neurosurgery"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/academic.oup.com\/ons\/article-pdf\/20\/3\/E221\/36245086\/opaa376.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/www.ovid.com\/10.1093\/ons\/opaa376","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T17:03:13Z","timestamp":1786122193000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/10.1093\/ons\/opaa376"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,12,29]]},"references-count":4,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2021]]}},"URL":"https:\/\/doi.org\/10.1093\/ons\/opaa376","relation":{},"ISSN":["2332-4252","2332-4260"],"issn-type":[{"value":"2332-4252","type":"print"},{"value":"2332-4260","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,12,29]]},"assertion":[{"value":"2020-07-02","name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2020-09-06","name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}}]}}