• Rajeev D Sen, Gabrielle White-Dzuro, Jacob Ruzevick, Choll W Kim, Jens-Peter Witt, Albert E Telfeian, Michael Y Wang, and Christoph P Hofstetter.
• Department of Neurological Surgery, University of Washington, Seattle, Washington, USA.
• World Neurosurg. 2018 Dec 1; 120: e1054-e1060.

ObjectiveTo report on intra- and perioperative complications associated with working channel endoscopic spine surgery.MethodsThis study is a retrospective chart review of a multi-institutional patient cohort operated on by surgeons within the Endoscopic Spine Study Group between May 2010 and June 2017.ResultsOur study cohort consists of a total of 553 consecutive cases with an average age of 57 years. The most common procedure was an endoscopic discectomy (n = 377, 68%) followed by foraminotomy (n = 156, 28.2%), unilateral laminotomy for bilateral decompression (n = 55, 9.9%), and lateral recess decompression (n = 29, 5.2%). Overall, the rate of intra- and perioperative complications was 2.7%. There were 3 durotomies (0.54%), 2 epidural hematomas (0.36%), 2 patients developed a complex pain disorder (0.36%), 4 recurrent disc herniations within 3 months (1.1%), 4 systemic complications (1.1%), and no wound infections. No risk factors were identified with regards to age, sex, approach, or number of segments.ConclusionsEndoscopic spine surgery is associated with a favorable rate of intra- and perioperative complications compared with reported rates of minimally invasive ortraditional open spine surgeries. Our report proposes safe and effective strategies for management of these complications.Copyright © 2018 Elsevier Inc. All rights reserved.

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