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"A chest X-ray and CT performed during qualification for surgery revealed the presence of a fractured fragment of a central venous catheter in the right atrium" Ostrowski et al (2021).
Central venous catheter fracture

Extract:

“After 2 months the patient was admitted to hospital due to symptoms of acute lower left limb ischemia. An extremity CT angiography revealed complete occlusion of the left superficial femoral artery and popliteal artery (Fig. 1A). A chest X-ray and CT performed during qualification for surgery revealed the presence of a fractured fragment of a central venous catheter in the right atrium (Fig. 1C, D). Using the right femoral vein approach, a fragment of the catheter was removed from the right atrium (Fig. 1E, F).”

Reference:

Ostrowski T, Semczuk-Kaczmarek K, Maciąg R, Płatek AE, Gałązka Z, Szymański FM. Multiple embolic events and ruption of the central venous catheter in a patient with atrial fibrillation. Cardiol J. 2021;28(2):349-350. doi: 10.5603/CJ.2021.0031. PMID: 33881771.