{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T02:48:06Z","timestamp":1772506086839,"version":"3.50.1"},"reference-count":20,"publisher":"Bentham Science Publishers Ltd.","issue":"1","license":[{"start":{"date-parts":[[2010,3,4]],"date-time":"2010-03-04T00:00:00Z","timestamp":1267660800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/3.0\/"}],"content-domain":{"domain":["openorthopaedicsjournal.com","benthamopen.com"],"crossmark-restriction":true},"short-container-title":["TOORTHJ"],"published-print":{"date-parts":[[2010,3,4]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Different perforation rates for cervical pedicle screws by disease are expected in relation to bone quality and pedicle morphology; however, no report comparing pedicle screw perforation rate by disease had previously been published. This study investigated the perforation rates of pedicle screws inserted to cervical pedicle by disease and vertebral level using a CT-based navigation system.<\/jats:p>\n                <\/jats:sec>\n                <jats:sec>\n                    <jats:title>Materials\/Methods:<\/jats:title>\n                    <jats:p>Fifty-three patients who underwent cervical pedicle screw insertion using CT based navigation system were studied. Diseases included rheumatoid arthritis (RA) (24 cases), destructive spondyloarthropathy (DSA) (10), cervical spondylotic myelopathy (CSM) (9), spine tumor (6), and cervical spondylotic myelopathy associated with athetoid cerebral palsy (CP) (4). Screw perforation rates for cervical pedicle screws were studied. Major perforation was defined as perforation 50% of screw diameter or more.<\/jats:p>\n                <\/jats:sec>\n                <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Major perforation rate by disease from C3 to C7 was as follows: spine tumor (0\/24, 0%), RA (2\/59, 3.4%), DSA (3\/65, 4.6%), CP (2\/20, 10.0%), and CSM (6\/40, 15.0%). There were no clinically important complications such as vertebra arterial injury, spinal cord injury, or nerve root injury caused by any screw perforation. Major perforation rate by vertebral level was: C2(2\/30, 6.7%), C3(4\/49, 8.2%), C4(6\/43, 14.0%), C5(1\/32, 3.1%), C6(1\/41, 2.4%), and C7(1\/45, 2.2%), showing highest rate for C4, followed by C3.<\/jats:p>\n                <\/jats:sec>\n                <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Cervical pedicle screw perforation rate by disease was higher in CSM compared to RA and DSA. The perforation rate by vertebral level was higher for C4 and C3, in this order.<\/jats:p>\n                <\/jats:sec>","DOI":"10.2174\/1874325001004010142","type":"journal-article","created":{"date-parts":[[2010,3,21]],"date-time":"2010-03-21T10:32:59Z","timestamp":1269167579000},"page":"142-146","update-policy":"https:\/\/doi.org\/10.2174\/crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Perforation Rates of Cervical Pedicle Screw Insertion by Disease and Vertebral Level"],"prefix":"10.2174","volume":"4","author":[{"given":"Masashi","family":"Uehara","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jun","family":"Takahashi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroki","family":"Hirabayashi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroyuki","family":"Hashidate","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nobuhide","family":"Ogihara","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Keijiro","family":"Mukaiyama","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shota","family":"Ikegami","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroyuki","family":"Kato","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"965","reference":[{"key":"refR1","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1097\/00002517-199407010-00003","volume":"7","author":"Abumi K","year":"1994","unstructured":"Abumi K, Itoh H, Taneichi H, Kaneda K. \n                    Transpedicular screw fixation for traumatic lesions of the middle and lower cervical spine: Description of the techniques and preliminary report \n                    J Spinal Disord  \n                    1994; 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