• M M Berger, R L Chioléro, A Pannatier, M C Cayeux, and L Tappy.
• Anesthesiology & Surgical Intensive Care Unit, C.H.U.V., University of Lausanne, Switzerland.
• Nutrition. 1997 Oct 1;13(10):870-7.

AbstractTotal parenteral nutrition (TPN) has long been considered the optimal nutrition technique in critically ill patients, but recently the use of enteral nutrition (EN) has increased. This study describes the evolution of the different nutritional support techniques in a surgical intensive care unit (ICU) in a university hospital, through (1) a global survey over 10 y assessing the evolution of the use of EN and TPN, and (2) a prospective study performed over 6 mo. Severity of illness and diagnostic categories were stable (n = 11,539 patients). From 1986 to 1990, the proportion of TPN administered increased from 10-25% of ICU days, decreasing to 10% thereafter. EN was used in about 5% of ICU days in 1986, and had increased to 30% of total ICU treatment days in 1995. The proportion of nutrients actually delivered to the patients was 75% with EN and 88% with TPN. Major changes in nutritional support have been observed since 1986. The frequency of nutritional support provided in general has increased to 40% of ICU treatment days. TPN has been largely overtaken by EN, with the risk of insufficient energy delivery, related to the difficulties of EN in the critically ill. These results reinforce the importance of continuous quality control by daily assessment of nutrient supply.

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