• Kenneth R Hassler, Ramin Jamshidi, Sydney J Vail, Mary J Connell, Kote Chundu, Salvatore C Lettieri, and Iman Feiz-Erfan.
• Division of Trauma, Creighton University, School of Medicine Phoenix, Phoenix, Arizona, USA; The University of Arizona, College of Medicine Phoenix, Phoenix, Arizona, USA; Valleywise Health Medical Center, Phoenix, Arizona, USA.
• World Neurosurg. 2020 Aug 1; 140: e81-e86.

BackgroundAtlanto-occipital transarticular screw fixation (AOTSF) has rarely been reported for fixation of the craniovertebral junction (CVJ).MethodsA retrospective chart review of all pediatric patients (less than 18 years of age) with an attempt of AOTSF for fixation of traumatic CVJ instability was conducted.ResultsA total of 4 patients (2 boys and 2 girls; ages 2, 3, 5, and 8 years) who suffered from acute traumatic CVJ instability managed during 2007-2018 underwent an attempted AOTSF. In 2 patients, this method was technically successful. In the other 2 instances, we were not able to engage the screw into the occipital condyle. These were converted to standard occipital plate, rod, and screw fixation. All were placed in a halo subsequently for a minimum of 3 months. Three patients were fused at last follow-up (range, 17-48 months). One patient after successful AOTSF did not fuse. There were no surgical complications or revision procedures.ConclusionsAOTSF was feasible in half of pediatric patients suffering from traumatic CVJ instability. Therefore, intraoperative salvage options and strategies should be on hand readily. In the pediatric population, where bony anatomy may pose challenges to fixation, this technique may offer a viable first-line option in selected cases, despite the overall modest success rate.Copyright © 2020 Elsevier Inc. All rights reserved.

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