The PASTDUe Nutrition Ecosystem Project (PASTDUe)

"1. parenteral nutrition initiated within 72 hours of operative intervention~ * Provided as clinically appropriate: Ensure Enlive, Ensure High-Protein, Nepro with Carb-Steady/ProSource Gelatein Plus, and/or ProSource Gelatein Plus~2. metabolic cart assessments to determine resting energy expenditure (REE) and guide registered dietitians (RDs)~ * Q-NRG Metabolic Cart (Indirect Calorimeter) and Quark RMR Metabolic Cart (Indirect Calorimeter)~ * BWA 2.0 Advanced Bioelectric Impedance Spectroscopy (BIS)~ * Philips Lumify L12-4 broadband linear array transducer ultrasound~3. expedited delivery of oral nutrition supplements and~4. a team-based approach on proper documentation of nutrition delivery and intake"

retrospective cohort of 300 historical matched control subjects