Key result
Percutaneous unknotting of knotted catheters or retrieval of intravascular catheter fragments using interventional radiologic techniques achieved an overall success rate of 95%.
Observational (n=21)
Percutaneous interventional radiologic techniques offer a highly successful (95%) approach for unknotting catheters and retrieving intravascular catheter fragments.
May support interventional radiology for catheter complications in select cases; leaves open need for prospective validation.
During a 5-year period, percutaneous unknotting of knotted catheters or retrieval of intravascular catheter fragments was performed in 21 patients by various interventional radiologic techniques. Eight of nine knotted Swan-Ganz catheters were successfully released, whereas one required the assistance of a surgical cutdown under local anesthesia; 10 of 11 embolized catheter fragments in various locations were retrieved successfully. One failure occurred with complication of peripheral embolization in the lung. Four case reports are presented. The overall success rate was 95%.
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Cho et al. (1983) conducted an observational in Knotted catheters or intravascular catheter fragments (n=21). Percutaneous unknotting or retrieval by interventional radiologic techniques was evaluated on Overall success rate. Percutaneous unknotting of knotted catheters or retrieval of intravascular catheter fragments using interventional radiologic techniques achieved an overall success rate of 95%.
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