Malnutrition in critically ill patients can lead to many negative effects, such as an increased risk of hospital complications, higher mortality rate, longer length of hospital stay, and higher resource utilization. Parental nutrition (PN) creates a well-documented positive change in critically ill patients' nutritional status and helps to prevent many of these negative side effects. However, recent randomized clinical trials have reported an increased rate of PN-associated complications and death in critically ill patients managed without tight blood glucose (BG) control... 
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