{Reference Type}: Journal Article {Title}: Parenteral Nutrition in the Critically Ill Adult: A Narrative Review. {Author}: Nguyen C;Singh G;Rubio K;Mclemore K;Kuschner W; {Journal}: J Intensive Care Med {Volume}: 0 {Issue}: 0 {Year}: 2024 Apr 11 {Factor}: 2.889 {DOI}: 10.1177/08850666241246748 {Abstract}: Malnutrition in adult intensive care unit patients is associated with poor clinical outcomes. Providing adequate nutritional support to the critically ill adult should be an important goal for the intensivist. This narrative review aims to delineate the role of parenteral nutrition (PN) in meeting nutritional goals. We examined the data regarding the safety and efficacy of PN compared to enteral nutrition. In addition, we describe practical considerations for the use of PN in the ICU including patient nutritional risk stratification, nutrient composition selection for PN, route of PN administration, and biochemical monitoring.