• Jan Frederick Cornelius, Philipp J Slotty, Angelo Tortora, Athanasios K Petridis, Hans J Steiger, and Bernard George.
• Department of Neurosurgery, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany. Electronic address: cornelius@hhu.de.
• World Neurosurg. 2018 Nov 1; 119: 358-361.

AbstractBow hunter's syndrome is a rare clinical condition. It is caused by dynamic compression of the vertebral artery (VA) either at the level of the transverse foramina (V2 segment) or at the atlantoaxial level (V3 segment). We report a 54-year-old man with typical bow hunter's syndrome caused by compression at the level of C6/C7. He was successfully treated by anterolateral VA decompression without a need for stabilization. We present preoperative imaging (magnetic resonance imaging, computed tomographic angiography, and dynamic angiography) and a high-quality intraoperative video detailing each step of the surgical technique (high-definition video with annotations and audio track of the Doppler ultrasound used as intraoperative control). Furthermore, postoperative imaging and a video of the clinical outcome are presented. Adequate management of bow hunter's syndrome requires good pathophysiologic understanding of the disease and careful clinical examination. Dynamic angiography confirms the exact site of VA compression. Surgical decompression is the treatment of the cause. Surgical techniques include VA decompression by an anterolateral approach (V2 or V3) or a posterior approach (V3). Some authors advocate stand-alone stabilization, which is, however, only an indirect treatment and results in significant loss of head motion. Other nonsurgical treatments such as orthesis, medical therapy, or endovascular stenting have been only anecdotally reported. Bow hunter's syndrome is best treated by VA decompression. This may safely be achieved by good anatomic knowledge and a straightforward surgical technique. Here, the anterolateral approach is presented in detail in a high-definition surgical instruction video.Copyright © 2018 Elsevier Inc. All rights reserved.

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