Abstract
Can simultaneous anterior and posterior (circumferential) surgery in patients with cervical ossification of the posterior longitudinal ligament (OPLL)/stenosis, achieving both decompression and stabilization, be accomplished with acceptable risk? Between 1989 and 1996, 22 circumferential procedures were performed, including an average 2.5-level anterior corpectomy with 5-level posterior wiring and fusion. These patients were severely myelopathic (average Nurick grade 3.5) and were followed for a mean interval of 22 months (range 4-52 months). Circumferential procedures required an average of 9.8 h and 3.5 U of blood transfused. Postoperatively, patients improved approximately +3.0 Nurick grades. Simultaneous circumferential surgery for OPLL/stenosis may be successfully performed in <10 h with limited blood loss.
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