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fibrin sheath

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fibrin sheath
Nursing A tubular scar that is a potential complication of long-term catheterization, in which the catheter becomes encased in a fibrotic sheath, which may harbor bacteria and make it difficult to withdraw blood from the line. See Central line.


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Following placement, a fibrin sheath develops around the catheter, which promotes the adherence of pathogens.
There has also been speculation that the presence of a fibrin sheath after removal might be a mechanism for air entry.
The distal tip of the LifeJet(TM) F-16 catheter has been specially designed to help resist fibrin sheath formation, a common and costly complication associated with conventional hemodialysis catheters.
 
 
 
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