{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T10:14:59Z","timestamp":1779185699660,"version":"3.51.4"},"reference-count":46,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["SPI"],"published-print":{"date-parts":[[2010,10]]},"abstract":"<jats:sec><jats:title>Object<\/jats:title><jats:p>This study was conducted to assess the in vivo safety and accuracy of percutaneous lumbar pedicle screw placement using the owl's-eye view of the pedicle axis and a new guidance technology system that facilitates orientation of the C-arm into the appropriate fluoroscopic view and the pedicle cannulation tool in the corresponding trajectory.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 326 percutaneous pedicle screws were placed from L-3 to S-1 in 85 consecutive adult patients. Placement was performed using simple coaxial imaging of the pedicle with the owl's-eye fluoroscopic view. NeuroVision, a new guidance system using accelerometer technology, helped align the C-arm trajectory into the owl's-eye view and the cannulation tool in the same trajectory. Postoperative fine-cut CT scans were acquired to assess screw position. Medical records were reviewed for complications.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Five of 326 screws breached a pedicle cortex\u2014all breaches were less than 2 mm\u2014for an accuracy rate of 98.47%. Five screws violated an adjacent facet joint. All were at the S-1 superior facet and included in a fusion. No screw violated an adjacent mobile facet or disc space. There were no cases of new or worsening neurological symptoms or deficits for an overall clinical accuracy of 100%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The owl's-eye technique of coaxial pedicle imaging with the C-arm fluoroscopy, facilitated by NeuroVision, is a safe and accurate means by which to place percutaneous pedicle screws for degenerative conditions of the lumbar spine. This is the largest series reported to use the oblique or owl's-eye projection for percutaneous pedicle screw insertion. The accuracy of percutaneous screw insertion with this technique meets or exceeds that of other reported clinical series or techniques.<\/jats:p><\/jats:sec>","DOI":"10.3171\/2010.4.spine09580","type":"journal-article","created":{"date-parts":[[2010,10,1]],"date-time":"2010-10-01T13:59:30Z","timestamp":1285941570000},"page":"509-515","source":"Crossref","is-referenced-by-count":43,"title":["Accuracy of percutaneous lumbar pedicle screw placement using the oblique or \u201cowl's-eye\u201d view and novel guidance technology"],"prefix":"10.3171","volume":"13","author":[{"given":"Cary","family":"Idler","sequence":"first","affiliation":[{"name":"1Orthopaedic Specialists of North Carolina, Wake Forest, North Carolina;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kevin W.","family":"Rolfe","sequence":"additional","affiliation":[{"name":"2Department of Orthopaedic Surgery, Harbor-UCLA Medical Center, Torrance, California; 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