American Board of Surgery Qualifying Exam (ABS QE) Practice Test

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Prepare for the American Board of Surgery Qualifying Exam with detailed quizzes. Study with flashcards and multiple-choice questions to master the ABS QE topics. Get all the hints and explanations you need to succeed on your first attempt!

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Which nerve is most commonly injured during carotid endarterectomy (CEA)?

Hypoglossal nerve
Vagus nerve
Median nerve
Radial nerve

The correct answer is: Vagus nerve

During carotid endarterectomy (CEA), the most commonly injured nerve is the vagus nerve. This nerve runs in close proximity to the carotid artery and is involved in several key functions related to heart rate and vocal cord innervation. Its location makes it particularly susceptible to trauma during surgical manipulation or retraction of tissues around the carotid artery. The vagus nerve's close anatomical relationship to the carotid sheath means that any procedure affecting the carotid artery has potential implications for this nerve. Damage to the vagus nerve may result in complications such as hoarseness or disturbances in autonomic functions, which can significantly impact the patient's recovery and quality of life. Understanding the anatomy and proximity of the vagus nerve to the carotid artery is crucial for surgeons performing this procedure to minimize the risk of injury and manage potential complications if they occur.