• Marcus D Mazur, Bradley S Duhon, Meic H Schmidt, and Andrew T Dailey.
• Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, 175 N. Medical Dr. East, Salt Lake City, UT 84132, USA.
• Spine J. 2013 Nov 1;13(11):e29-34.

Background ContextBowel perforation is an uncommon complication of posterior spinal surgery. The AxiaLIF transsacral instrumentation system has been used for the treatment of L5-S1 spondylolisthesis and degenerative disc disease since its introduction in 2005 as a potentially less invasive alternative to traditional anterior or posterior interbody fusion.PurposeIn this article, we report a case of a rectal perforation as a complication of placement of the AxiaLIF instrumentation system that was successfully treated without the removal of the device.Study DesignCase report.MethodsThe patient presented with progressive back pain and sepsis 3 weeks after an L5-S1 fusion done with the AxiaLIF technique at an outside facility. The patient was managed with antibiotic therapy and a diverting ileostomy, without the removal of the AxiaLIF device.ResultsOver the next year, she had symptoms indicative of nonunion of the operated level and breakdown at the adjacent level, which were confirmed with imaging. She underwent revision posterior spinal fusion without the removal of the AxiaLIF device. Eighteen months after the AxiaLIF device was placed, the patient continued to demonstrate no signs of infection recurrence.ConclusionsDelayed presentation of rectal perforation with a subsequent anaerobic sepsis is a potential complication of the presacral approach to the L5-S1 disc space. Recognition and treatment with fecal diversion and long-term intravenous antibiotics is an alternative to device removal and sacral reconstruction.Copyright © 2013 Elsevier Inc. All rights reserved.

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