Hydrodynamics of catheter biofilm formation

Details Hydrodynamics of catheter biofilm formation Hydrodynamics of catheter biofilm formation

2009-11-18

arxiv.org/abs/0911.3580v1

Physics

Fluid Dynamics

Submitted for publication

Scientific paper

A hydrodynamic model is proposed to describe one of the most critical problems in intensive medical care units: the formation of biofilms inside central venous catheters. The incorporation of approximate solutions for the flow-limited diffusion equation leads to the conclusion that biofilms grow on the internal catheter wall due to the counter-stream diffusion of blood through a very thin layer close to the wall. This biological deposition is the first necessary step for the subsequent bacteria colonization.

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