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J Korean Soc Emerg Med > Volume 24(5); 2013 > Article
Journal of The Korean Society of Emergency Medicine 2013;24(5): 579-590.
The Position of Patients for Safe Central Venous Catheterization Via the Internal Jugular Vein: Prospective Observational Study of Critically Ill Patients
Jong Bin Lee, Jae Yoon Kim, Young Soon Cho, Hoon Lim, Ho Jung Kim, Jae Hyung Choi
Department of Emergency Medicine, College of Medicine, Soonchunhyang University, Gyeonggi-do, Korea. choyoungsoon@hanafos.com
Carotid artery injuries are common complications during catheterization of the internal jugular vein. To increase successful catheterization, the best position for the reduction of carotid artery injuries was determined. Unlike a previous study, only critically ill patients who needed central venous catheterization in an emergency medical center were included. Three maneuvers were evaluated: Trendelenburg position, head rotation, and adjustments according to ultrasound probe level.
Eight positions were tested in each patient. The positions were classified by maneuver and ultrasound images of each position were stored. Two factors were determined at each position: "safety width" (the part of the internal jugular vein that did not overlap with the carotid artery) and "overlap width" (the part of the internal jugular vein that did overlap with the carotid artery).
Compared with the neutral bed position, safety widths were significantly larger in the Trendelenburg position, and there were no statistical difference in overlap widths. Compared with the non-head rotation position, safety widths were smaller and overlap widths were significantly larger in the 45degrees head rotation positions. Safety widths did-not statistically change safter adjustments for ultrasound probe level. However, changing the ultrasound probe level from the base of Sedillot's triangle to thyroid cartilage significantly decreased overlap widths. Overall, The group of Trendeleberg position, with non-head rotation, whose ultrasound probe level was thyroid cartilage had largest safety widths among 8 groups.
Among the eight positions tested, the Trendelenburg position (with limited head rotation and adjustments for ultrasound probe level) can reduce carotid artery injuries and increase the successful catheterization of the jugular vein in critically ill patients.
Key words: Central venous catheterization, Jugular vein, Carotid artery injuries
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