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@ARTICLE{Parker:825974,
author = {Parker, Robert and Hogg, Justin and Roy, Anirban and
Kellum, John and Rimmelé, Thomas and Daun-Gruhn, Silvia and
Fedorchak, Morgan and Valenti, Isabella and Federspiel,
William and Rubin, Jonathan and Vodovotz, Yoram and Lagoa,
Claudio and Clermont, Gilles},
title = {{M}odeling and {H}emofiltration {T}reatment of {A}cute
{I}nflammation},
journal = {Processes},
volume = {4},
number = {4},
issn = {2227-9717},
address = {Basel},
publisher = {MDPI},
reportid = {FZJ-2017-00246},
pages = {38 -},
year = {2016},
abstract = {The body responds to endotoxins by triggering the acute
inflammatory response system to eliminate the threat posed
by gram-negative bacteria (endotoxin) and restore health.
However, an uncontrolled inflammatory response can lead to
tissue damage, organ failure, and ultimately death; this is
clinically known as sepsis. Mathematical models of acute
inflammatory disease have the potential to guide treatment
decisions in critically ill patients. In this work, an
8-state (8-D) differential equation model of the acute
inflammatory response system to endotoxin challenge was
developed. Endotoxin challenges at 3 and 12 mg/kg were
administered to rats, and dynamic cytokine data for
interleukin (IL)-6, tumor necrosis factor (TNF), and IL-10
were obtained and used to calibrate the model. Evaluation of
competing model structures was performed by analyzing model
predictions at 3, 6, and 12 mg/kg endotoxin challenges with
respect to experimental data from rats. Subsequently, a
model predictive control (MPC) algorithm was synthesized to
control a hemoadsorption (HA) device, a blood purification
treatment for acute inflammation. A particle filter (PF)
algorithm was implemented to estimate the full state vector
of the endotoxemic rat based on time series cytokine
measurements. Treatment simulations show that: (i) the
apparent primary mechanism of HA efficacy is white blood
cell (WBC) capture, with cytokine capture a secondary
benefit; and (ii) differential filtering of cytokines and
WBC does not provide substantial improvement in treatment
outcomes vs. existing HA devices.},
cin = {INM-3},
ddc = {570},
cid = {I:(DE-Juel1)INM-3-20090406},
pnm = {572 - (Dys-)function and Plasticity (POF3-572)},
pid = {G:(DE-HGF)POF3-572},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000391592700005},
doi = {10.3390/pr4040038},
url = {https://juser.fz-juelich.de/record/825974},
}