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Table 2 Summary of randomized, controlled trials on the impact of nutritional interventions on infections in hospitalized patients

From: Nutritional therapy and infectious diseases: a two-edged sword

Intervention Effect Reference
Preoperative TPN Increased infection incidence 40
Early vs late enteral nutrition Decreased rate of infection in trauma and surgical patients 41,44,45,47
Early vs late enteral nutrition No effect on infection incidence in stroke patients 48
Early vs late enteral nutrition Increased infection rate in intubated patients in medical ICU 49
TPN vs enteral nutrition Increased rate of infections 57–60
Immunologic feedings No effect on infection incidence 70–72
Glutamine supplementation Decreased infection incidence 75–78