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In 14 patients, 16 episodes of occluded Hickman catheters were evaluated by contrast venography. In 13 instances, a fibrin sheath occluding the distal catheter was observed. A mechanical problem was responsible for occlusion in three catheters. Low-dose streptokinase effectively restored lumen patency in 12 catheters (92%) occluded by a fibrin sheath.
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J. K. Wong, D. J. Sadler, M. McCarthy, J. C. Saliken, C. B. So, and R. R. Gray Analysis of Early Failure of Tunneled Hemodialysis Catheters Am. J. Roentgenol., August 1, 2002; 179(2): 357 - 363. [Abstract] [Full Text] [PDF] |
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