A.S.P.E.N	American Society of Enteral and Parenteral Nutrition
BIA	Bioelectrical Impedance Analysis
BMI	Body Mass Index
CT	Computed Tomography
DGEM	Deutsche Gesellschaft für Ernährungsmedizin (German Society for Nutritional Medicine)
EN	Enteral Nutrition
EN+PN	Combined Enteral and Parenteral Nutrition
ESICM	European Society of Intensive Care Medicine
ESPEN	European Society of Enteral and Parenteral Nutrition
GI	Gastrointestinal
GLIM	Global Leadership Initiative on Malnutrition
ICU	Intensive Care Unit
LOS	Length of Stay
MNT	Medical Nutrition Therapy
MUST	Malnutrition Universal Screening Tool
NRS 2002	Nutrition Risk Score 2002
NUTRIC	Nutrition Risk in the Critically Ill Score
ONS	Oral Nutritional Supplements
PN	Parenteral Nutrition
RCT	Randomized Controlled Trial
RRT	Renal Replacement Therapy
SPN	Supplementary Parenteral Nutrition
SGA	Subjective Global Assessment