95%CI	95% Confidence Interval
ATP	adenosine triphosphate
cDCD	controlled donors after circulatory death
CIT	cold ischemia time
CKD	chronic kidney disease
DBD	donation after brain death
DCD	donation after circulatory death
DGF	delayed graft function
ECDs	extended criteria donors
eGFR	estimated glomerular filtration rate
EV	extracellular vesicle
HMP	hypothermic machine perfusion
HS	hydrogen sulfide
IL	interleukin
IRI	ischemic reperfusion injury
ISP	in situ cold preservation
MP	machine perfusion
MSCs	mesenchymal stromal cells
MSC-EV	mesenchymal stromal cell-derived extracellular vesicle
NMP	normothermic machine perfusion
NRP	normothermic regional perfusion
OR	odds ratio
OxyOp	Oxygen carrier for Organ Preservation
PNF	primary nonfunction
PRIMSA-P	Preferred Reporting Items for Systematic Reviews and Meta-analyses Protocols
RCT	randomized controlled trial
RNA	ribonucleic acid
ROS	reactive oxygen species
RR	risk ratio
SCS	static cold storage
siCAM	soluble intercellular adhesion molecule-1
TNF	tumor necrosis factor
uDCD	uncontrolled donors after circulatory death
UW	University of Wisconsin
WIT	warm ischemia time