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2010•Journal of Emergencies Trauma and ShockOpen access

Impact of enteral nutrition on nitrogen balance in patients of trauma

Sandhya Iyer, Sabita Jivnani, Kabeer Umakumar, MA Gore

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Abstract

BACKGROUND: A prospective study of 50 patients of trauma was carried out at a tertiary level trauma center in Mumbai. The aim was to study the hypermetabolic response to trauma and the effect of early enteral feeding and nutritional supplementation in blunting this response in these patients. METHODS: Early enteral feeding was started within 72 h in most patients. The caloric requirement was calculated as per the body weight and a 150: 1 ratio of nonprotein calories to protein was maintained. A 24-h urinary nitrogen loss was estimated and nitrogen balance was calculated on days 1, 3 and 7. RESULTS: The correlation between the injury severity and the severity of catabolism was also analysed. Urinary nitrogen loss and nitrogen balance were used as parameters to evaluate the hypermetabolic response. CONCLUSIONS: Early (within 72 h) enteral nutritional support blunts this hypermetabolic response to some extent in these trauma patients.

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BACKGROUND: A prospective study of 50 patients of trauma was carried out at a tertiary level trauma center in Mumbai. The aim was to study the hypermetabolic response to trauma and the effect of early enteral feeding and nutritional supplementation in blunting this response in these patients. METHODS: Early enteral feeding was started within 72 h in most patients. The caloric requirement was calculated as per the body weight and a 150: 1 ratio of nonprotein calories to protein was maintained. A 24-h urinary nitrogen loss was estimated and nitrogen balance was calculated on days 1, 3 and 7. RESULTS: The correlation between the injury severity and the severity of catabolism was also analysed. Urinary nitrogen loss and nitrogen balance were used as parameters to evaluate the hypermetabolic response. CONCLUSIONS: Early (within 72 h) enteral nutritional support blunts this hypermetabolic response to some extent in these trauma patients.

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Available abstract

BACKGROUND: A prospective study of 50 patients of trauma was carried out at a tertiary level trauma center in Mumbai. The aim was to study the hypermetabolic response to trauma and the effect of early enteral feeding and nutritional supplementation in blunting this response in these patients. METHODS: Early enteral feeding was started within 72 h in most patients. The caloric requirement was calculated as per the body weight and a 150: 1 ratio of nonprotein calories to protein was maintained. A 24-h urinary nitrogen loss was estimated and nitrogen balance was calculated on days 1, 3 and 7. RESULTS: The correlation between the injury severity and the severity of catabolism was also analysed. Urinary nitrogen loss and nitrogen balance were used as parameters to evaluate the hypermetabolic response. CONCLUSIONS: Early (within 72 h) enteral nutritional support blunts this hypermetabolic response to some extent in these trauma patients.

Key concepts: Nitrogen balance, Enteral administration, Parenteral nutrition, Balance (ability), Intensive care medicine, Medicine, Nitrogen, Chemistry

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