Gastrointestinal ailments evoke changes in the hypothalamic-pituitary-adrenal (HPA) axis and modulation of hepatic protein synthesis. We examined the catabolic effect of certain primary gastrointestinal diseases and surgery on the concentration of insulin-like growth factor I (IGF-I). Blood samples from patients with gastric cancer (GC), cholecystitis (CC), or inguinal hernia (IH) were taken before and after surgery. The concentrations of IGF-I, IGF binding protein-1 (IGFBP-1), insulin, cortisol, and glucose were determined. In GC patients the concentration of IGF-I was reduced and the concentrations of IGFBP-1 and cortisol were elevated preoperatively; after surgery, IGFBP-1 normalized. In CC patients the concentration of IGF-I was low and the concentration of IGFBP-1 was high before cholecystectomy; after surgery IGFBP-1 returned to normal and the concentration of cortisol increased. In IH patients the concentration of IGF-I was low and the concentrations of IGFBP-1 and cortisol were high before surgery; after laparotomy IGFBP-1 returned to normal. The metabolic changes were present in all analyzed patient groups, regardless of the severity of disease and nutrition. The concentration of IGF-I was reduced before surgery and remained reduced after, recommending IGF-I as a metabolic marker in both pre and postoperative examination of patients.
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| http://dx.doi.org/10.1002/jcla.20193 | DOI Listing |
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