BACKGROUND:Preoperative oral carbohydrate (CHO) reduces postoperative insulin resistance. In this randomized trial, the effect of CHO on postoperative whole-body protein turnover was studied. METHODS:Glucose and protein kinetics ([6,6(2)H(2)]D-glucose, [(2)H(5)]phenylalanine, [(2)H(2)]tyrosine and [(2)H(4)]tyrosine) and substrate oxidation (indirect calorimetry) were studied at baseline and during hyperinsulinaemic normoglycaemic clamping before and on the first day after colorectal resection. Fifteen patients were randomized to receive a preoperative beverage with high (125 mg/ml) or low (25 mg/ml) CHO content. RESULTS: Three patients were excluded after the intervention, leaving six patients in each group. After surgery whole-body protein balance did not change in the high oral CHO group, whereas it was more negative in the low oral CHO group after surgery at baseline (P = 0.003) and during insulin stimulation (P = 0.005). Insulin-stimulated endogenous glucose release was similar before and after surgery in the high oral CHO group, but was higher after surgery in the low oral CHO group (P = 0.013) and compared with the high oral CHO group (P = 0.044). CONCLUSION: Whole-body protein balance and the suppressive effect of insulin on endogenous glucose release are better maintained when patients receive a CHO-rich beverage before surgery. Copyright (c) 2007 British Journal of Surgery Society Ltd.
RCT Entities:
BACKGROUND: Preoperative oral carbohydrate (CHO) reduces postoperative insulin resistance. In this randomized trial, the effect of CHO on postoperative whole-body protein turnover was studied. METHODS:Glucose and protein kinetics ([6,6(2)H(2)]D-glucose, [(2)H(5)]phenylalanine, [(2)H(2)]tyrosine and [(2)H(4)]tyrosine) and substrate oxidation (indirect calorimetry) were studied at baseline and during hyperinsulinaemic normoglycaemic clamping before and on the first day after colorectal resection. Fifteen patients were randomized to receive a preoperative beverage with high (125 mg/ml) or low (25 mg/ml) CHO content. RESULTS: Three patients were excluded after the intervention, leaving six patients in each group. After surgery whole-body protein balance did not change in the high oral CHO group, whereas it was more negative in the low oral CHO group after surgery at baseline (P = 0.003) and during insulin stimulation (P = 0.005). Insulin-stimulated endogenous glucose release was similar before and after surgery in the high oral CHO group, but was higher after surgery in the low oral CHO group (P = 0.013) and compared with the high oral CHO group (P = 0.044). CONCLUSION: Whole-body protein balance and the suppressive effect of insulin on endogenous glucose release are better maintained when patients receive a CHO-rich beverage before surgery. Copyright (c) 2007 British Journal of Surgery Society Ltd.
Authors: U O Gustafsson; M J Scott; W Schwenk; N Demartines; D Roulin; N Francis; C E McNaught; J Macfie; A S Liberman; M Soop; A Hill; R H Kennedy; D N Lobo; K Fearon; O Ljungqvist Journal: World J Surg Date: 2013-02 Impact factor: 3.352
Authors: J Nygren; J Thacker; F Carli; K C H Fearon; S Norderval; D N Lobo; O Ljungqvist; M Soop; J Ramirez Journal: World J Surg Date: 2013-02 Impact factor: 3.352