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Catheter tip migration following power injection of contrast medium through a pressure-resistant central venous port:
Ayana Ishiguro1, Naoya Akazawa2, Yohei Inaba3,4
1Department of Radiological Technology, Sendai Open Hospital, Sendai, Miyagi, Japan.
Abstract:
Pressure-resistant central venous ports allow power injection of contrast medium for contrast-enhanced computed tomography scans. While such ports provide significant benefits for patients requiring long-term venous access, concerns remain regarding catheter-related complications, particularly catheter tip displacement. We present a case of catheter tip migration from the superior vena cava to the right brachiocephalic vein following the power injection of a contrast medium through a pressure-resistant central venous port during a contrast-enhanced computed tomography examination. We propose practical strategies for the safe use of pressure-resistant central venous ports for power injection of contrast medium based on our experience with the present case, highlighting the potential risks of catheter tip displacement and possible counter measures.
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