The Use of an Oral Mixture of Arginine, Glutamine and Beta-hydroxy-beta-methylbutyrate for Treatment of Pressure Ulcers

All patients would be assessed by a dietitian to ensure them receiving nutritional support of at least 30 kcal/kg/day and of at least 1.2 g/kg/day of protein regardless of feeding method. During the study period, vitamin C and zinc supplement would not be given. Nutritional supplement other than that provided by the dietitian to meet the energy and protein requirement would not be given. The pressure ulcers would be cared according to the "Basic nursing standards for patient care: Wound dressing - Version 5" published by the Hospital Authority Head Office. The treatment group would also be given 2 Sackets of a mixture of arginine, glutamine and HMB (ABOUND) every day for a maximum period of 4 weeks, either orally or via enteral feeding.