Observational Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Apr 7, 2016; 22(13): 3652-3662
Published online Apr 7, 2016. doi: 10.3748/wjg.v22.i13.3652
Table 2 Summary of parameter terms used in the dual-input extended Tofts model and 2-compartment exchange model
Ctiss(t)Concentration of tracer in the tissuemmol/L
CA(t)Concentration of tracer in whole blood in a major feeding arterymmol/L
Cv(t)Concentration of tracer in the portal veinmmol/L
FaArterial fraction of the tissue perfusion%
HLVHematocrit in major (large) vesselsnone
HPIHepatic perfusion indexnone
FpFlow rate of the blood plasma through the intravascular plasma spacemL/mL per minute
vpRatio of blood plasma volume to tissue volume%
veRatio of EES volume to tissue volume%
kepEfflux rate constantmin-1
KtransTransfer constantmin-1
PSEndothelial permeability surface area productmL/mL per minute
Convolution operatorNone