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. 1984 Nov;148(5):633-6.
doi: 10.1016/0002-9610(84)90340-4.

The "pinch-off sign": a warning of impending problems with permanent subclavian catheters

D R Aitken, J P Minton

The "pinch-off sign": a warning of impending problems with permanent subclavian catheters

D R Aitken et al. Am J Surg. 1984 Nov.

Abstract

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.

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