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  • Title: Plasma glucagon levels in haemorrhagic shock.
    Author: Russel RC, Pardy BJ, Carruthers ME, Bloom SR.
    Journal: Br J Surg; 1977 Apr; 64(4):285-9. PubMed ID: 856381.
    Abstract:
    Eleven healthy dogs were subjected to haemorrhagic shock for 90 min. after which shed blood was reinfused. Detailed studies were made of cardiopulmonary function. Samples of blood were taken at frequent intervals for the measurement of glucagon, insulin and glucose. Three dogs had samples taken for catecholamine levels. The glucagon level rose during haemorrhagic shock but there was no relationship between this rise and the change in cardiorespiratory measurement, but there was a relationship between the plasma glucagon level, the blood glucose and the catecholamine level. It is suggested that the release of glucagon in haemorrhagic shock is mediated by sympathetic stimulation of the alpha cell and that the rise in glucagon is in part responsible for the hyperglycaemia which is found in shock.
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