case_images: PMC9918872_01
case_images: Chest radiography showing the proximal tip of the catheter fragment (white arrow) lodged at the superior vena cava and the distal tip (yellow arrow) at the right ventricle
case_images: cureus-0015-00000033681-i01.jpg
case_images: PMC9918872_01_cureus-0015-00000033681-i01.jpg
case_images: FIG1
case_images: Upon admission, the patient was asymptomatic, but chest radiography showed that the disconnected catheter had its proximal end located in the superior vena cava and its distal end in the right ventricle (Figure 1).
case_images: The retrieved fractured catheter, along with the three-loop-snare catheter used for the retrieval procedure
case_images: cureus-0015-00000033681-i02.jpg
case_images: PMC9918872_01_cureus-0015-00000033681-i02.jpg
case_images: FIG2
case_images: A triple-looped snare catheter was advanced through the sheath to the lodged site, and the snare was used to capture the tip of the catheter fragment and was then carefully withdrawn through the right femoral vein and externalized (Figure 2).
case_images: Postoperative chest radiography showing the complete retrieval of the catheter fragment
case_images: cureus-0015-00000033681-i03.jpg
case_images: PMC9918872_01_cureus-0015-00000033681-i03.jpg
case_images: FIG3
case_images: The patient was continuously monitored throughout the procedure, and a postoperative chest radiography was obtained to confirm the successful retrieval of the migrated catheter (Figure 3).