Soonchunhyang Med Sci.  2017 Dec;23(2):152-154. 10.0000/sms.2017.23.2.152.

Loop Formation and Malposition of Subclavian Vein Catheter

  • 1Department of Anesthesiology and Pain Medicine, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea.


Central venous catheterization is a useful procedure for administrating fluids and drugs as well as monitoring central venous pressure in the operating room. The internal jugular vein and the subclavian vein are preferred as catheter insertion sites because of the low risk of infection and mechanical complications. However, the risk of venous malposition is higher in subclavian vein. The loop formation of the central venous catheter accompanied by its malposition increases the risk of thrombosis. If the procedure is to be performed with any difficulty, early radiologic examination should be required to detect and avoid complications. We report a case of malposition and loop formation of central venous catheter located in subclavian vein confirmed by chest X-ray after transferred to the intensive care unit.


Central venous catheterization; Malposition; Loop formation
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