ArticleAsian journal of neurosurgery2025
Carotid Endarterectomy with Twisted Internal Jugular Vein Located Anterior to the Common Carotid Artery.
Article in Asian journal of neurosurgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The knowledge of both normal and abnormal anatomy of the veins of the neck may be important for surgeons performing carotid endarterectomy (CEA), to avoid inadvertent injury to vascular structures. We present three cases of abnormal course of the internal jugular vein (IJV) which run anterior to the common carotid artery, named twisted IJV, that usually run posterolateral to the common carotid artery in patients undergoing CEA. These twisted IJV cases were detected by preoperative multidetector computed tomography angiography evaluation. During the CEA procedure, before identifying the common carotid artery, we dissected the retromandibular space to find the common facial vein. Then, dissection proceeded along the common facial vein caudally to find the IJV. After ligation and cutting of the common facial vein, a carotid sheath with the IJV turned laterally revealed the common carotid artery safely, and CEA was accomplished. Our clinical experience shows that knowledge of the anatomical anomaly of the IJV allows safe dissection of the carotid triangle avoiding inadvertent injury to the vasculature and vagus nerve.
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