Unintentional posterior venous wall penetration during internal jugular vein (IJV) cannulation may cause critical arterial injuries in spite of ultrasound guidance. We aimed to evaluate whether small venous diameter and anterior venous wall tenting by a needle would be associated with posterior venous wall penetration, and to seek factors related to the venous wall tenting. We conducted a retrospective review in patients who underwent IJV cannulation. Using an ultrasound view obtained when puncturing, venous diameter, venous wall thickness, anterior venous wall tenting length, and needle angle were measured, and posterior venous wall penetration was determined. Eleven cannulations in 56 patients were assigned to posterior venous wall penetration. Small venous diameter (p = 0.004), and long anterior venous wall tenting (p = 0.007) were associated with posterior venous wall penetration. The longer anterior venous tenting would be expected with reducing needle angle (p = 0.004) or increasing anterior venous wall thickness (p = 0.006). In conclusion, small IJV and anterior venous wall tenting lead to posterior venous wall penetration. Anterior venous wall tenting is longer with reducing needle angle, or increasing the anterior venous wall thickness.
CaseVertebral artery injury is a low‐frequency but high‐mortality injury. The surgical approach to a bleeding vertebral artery injury is one of the most difficult procedures in trauma surgery.A 64‐year‐old woman was transported to our emergency department after being stabbed in the middle side of the right neck with a large kitchen knife. Her initial hospital examination indicated a shock state, and computed tomography images revealed a right vertebral artery injury. We undertook angiography and transcatheter arterial embolization before the surgical operation.OutcomeThe patient suffered right upper extremity paralysis due to brachial plexus injury and was transferred to another hospital for rehabilitation on the 24th hospital day.ConclusionComputed tomography angiography for diagnosis and interventional radiology treatment are useful for the management of penetrating neck trauma. Transcatheter arterial embolization for vertebral artery injury is safe and allows for easy control of bleeding compared to a surgical procedure.
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