The "pinch-off sign": a warning of impending problems with permanent subclavian catheters.
The roentgenographic presence of the pinch-off sign indicates potential serious problems with central venous Silastic catheters and is an indication for immediate catheter removal and replacement at another site or position.
D002408:Catheters, Indwelling / Q000009:adverse effects*; D005260:Female; D006801:Humans; D013902:Radiography, Thoracic; D012189:Retrospective Studies; D013350:Subclavian Vein