{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,30]],"date-time":"2025-10-30T11:19:18Z","timestamp":1761823158761,"version":"3.37.0"},"reference-count":27,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2005,7]]},"abstract":"<jats:p content-type=\"fine-print\"><jats:italic>Object.<\/jats:italic>Polymethylmethacrylate (PMMA) bone cement has been used as a spacer in the treatment of patients with cervical disc disease with good long-term outcomes, but solid bone fusion has not been demonstrated in all cases. To achieve cervical interbody fusion, the authors designed a modified PMMA cervical cage that they filled with spongy bone for the treatment of single-level cervical disc herniation.<\/jats:p><jats:p content-type=\"fine-print\"><jats:italic>Methods.<\/jats:italic>Sixty-three patients underwent anterior cervical microdiscectomy and implantation of a PMMA cervical cage filled with autograft cancellous bone and were followed for a minimum of 2 years. The fusion rates were 90.5 and 100% at the 6- and 12-month follow-up examinations, respectively. The mean intervertebral disc height gain was 3.4 \u00b1 1.9 mm when preoperative and 24-month postoperative values were compared. Neck pain, measured using the Huskissan visual analog scale (0 mm, no pain; 100 mm, worst possible pain), decreased from 71 \u00b1 13 mm at preoperative baseline to 28 \u00b1 17 at 6, 23 \u00b1 19 at 12, and 31 \u00b1 19 mm at 24 months. Based on the same scale, radicular pain decreased from 83 \u00b1 15 mm at preoperative baseline to 24 \u00b1 11 at 6, 27 \u00b1 13 at 12, and 22 \u00b1 11 mm at 24 months. The self-rated clinical outcome was excellent in 45 (71.4%) and good in 18 (28.6%) of the 63 patients.<\/jats:p><jats:p content-type=\"fine-print\"><jats:italic>Conclusions.<\/jats:italic>The autograft cancellous bone\u2014filled PMMA cage is safe and effective for cervical interbody fusion in the treatment of single-level cervical disc herniation and monoradiculopathy.<\/jats:p>","DOI":"10.3171\/spi.2005.3.1.0024","type":"journal-article","created":{"date-parts":[[2009,5,7]],"date-time":"2009-05-07T16:03:46Z","timestamp":1241712226000},"page":"24-28","source":"Crossref","is-referenced-by-count":22,"title":["Use of a polymethylmethacrylate cervical cage in the treatment of single-level cervical disc 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