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Abstract Title:

Ornithine alpha-ketoglutarate improves wound healing in severe burn patients: a prospective randomized double-blind trial versus isonitrogenous controls.

Abstract Source:

Crit Care Med. 2001 Dec;29(12):2271-5. PMID: 10890617

Abstract Author(s):

C Coudray-Lucas, H Le Bever, L Cynober, J P De Bandt, H Carsin

Abstract:

OBJECTIVE: To compare the effectiveness on wound healing time in severe burn patients of ornithine alpha-ketoglutarate supplementation of enteral feeding vs. an isonitrogenous control. Previous clinical and experimental studies suggest a beneficial effect of enterally administered ornithine alpha-ketoglutarate supplementation on protein metabolism in burn patients, but few data deal with clinical outcome. DESIGN: Prospective double-blind randomized trial. SETTING: Burn treatment center of an army hospital. PATIENTS: Forty-seven severe burn patients with total burned body surface areas of 25% to 95% and presence of full thickness burn who were prescribed early exclusive enteral nutrition. Either ornithine alpha-ketoglutarate or isonitrogenous control (soy protein mixture, Protil-1) were administered twice a day as a bolus (2 x 10 g) at 9 am and 9 pm for 3 wks. The patients were evaluated for wound healing time (primary end point), antibiotic use, tolerance, duration of enteral nutrition, and nutritional status. INTERVENTIONS: Serial blood samples were collected in each patient for determination of serum transthyretin and plasma phenylalanine, and urine sampling was performed for determination of 3-methylhistidine excretion at day 4 and day 21 after burn injury. MEASUREMENTS AND MAIN RESULTS: Wound healing times in patients receiving ornithine alpha-ketoglutarate or Protil-1 were 60 +/- 7 and 90 +/- 12 days, respectively (p < .05) for similar grafted surfaces. Based on increased serum transthyretin concentrations, both groups showed an improvement of nutritional status at day 21 after burn. Taking a cut-off value of 110 unit burn standard for severity of injury, plasma phenylalanine concentrations, and urinary 3-methylhistidine/creatinine ratio were significantly reduced (p < .05) in the less severe burn patients (<110 unit burn standard) supplemented with ornithine alpha-ketoglutarate. CONCLUSIONS: Ornithine alpha-ketoglutarate supplementation of enteral feeding significantly shortens wound healing time in severe burn patients. In addition, ornithine alpha-ketoglutarate administration was safe and well tolerated and decreased protein hypercatabolism in the less severe burn patients.

Study Type : Human Study

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Sayer Ji
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