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Clinical Note
August 2007

Cochlear Implant Electrode Misplaced in the Carotid Canal

Author Affiliations

Author Affiliations: Departments of Otorhinolaryngology, National Medical Center (Dr Son), and Yonsei University College of Medicine (Drs Kim and Choi), Seoul, South Korea.

Arch Otolaryngol Head Neck Surg. 2007;133(8):827-829. doi:10.1001/archotol.133.8.827

Cochlear implantation has become a relatively routine operation; however, like any surgical procedure, it carries a risk of complications. The likelihood of causing injury to adjacent vital structures is rare but can lead to serious consequences. During the surgical procedure, it is important to obtain maximal exposure through the facial recess to avoid potential risk to the carotid canal or the carotid artery. An intraoperative or postoperative radiograph should be obtained to confirm the correct positioning of the electrode. Herein, we report a rare complication involving injury to the carotid canal that was caused by an electrode during cochlear implantation in a child. To our knowledge, there has been only 1 other report of iatrogenic carotid canal injury during cochlear implantation, and it involved an adult.1

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