• Cody Woodhouse, Olesia Slobodian, Ivanna Nebor, Alice Xu, Dmytro Zhebrykov, Kora Montemagno, Oleksandra Kashyrina, Tyson Matern, Stanley Hoang, Diego Mendez-Rosito, Joseph Cheng, and Jonathan Forbes.
• Department of Neurosurgery, University of Cincinnati Medical Center, Cincinnati, Ohio, USA. Electronic address: cody.j.woodhouse@gmail.com.
• World Neurosurg. 2020 Mar 1; 135: 330-334.

AbstractInstability of the craniovertebral junction (CVJ) following odontoidectomy is relatively common. Traditionally, separate stage posterior atlantoaxial ± occipitocervical fusion is used for treatment. A transmucosal approach using a clean-contaminated route is associated with hypothetical risks of infectious complications. There is a paucity of information in the literature assessing the risk of surgical site infection (SSI) using the transmucosal approach for hardware placement. The authors conducted a literature search through PubMed identifying patients with pathology requiring transmucosal (i.e., transnasal or transoral) CVJ fixation. Studies that described 1) cases requiring a transmucosal approach and 2) associated infectious complications were included. Rates of SSIs, device removal, unplanned reoperation, and hardware failures were analyzed. Descriptive statistics and odds ratios (ORs) were used to compare complications. Nine studies with a total of 431 patients were identified. There were 4 (0.93%) superficial SSIs and 4 (0.93%) deep SSIs. In total, 1.86% of patients experienced SSI. There were 18 (4.18%) cases of unplanned reoperation, 4 (0.93%) related to SSI. Five (1.16%) patients required removal of their anterior fixation device, 4 (0.93%) related to SSI. ORs comparing our results with Medvedev et al's retrospective National Surgical Quality Improvement Program study assessing the risk associated with posterior cervical fixation showed no statistical difference between postoperative infection rates (OR = 0.72, P = 0.36). An extensive review of the literature found no evidence to suggest placement of spinal hardware via transmucosal corridor is associated with an increased risk of SSI.Copyright © 2019 Elsevier Inc. All rights reserved.

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