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Hormonal and Metabolic Changes following Severe Head Injury or Noncranial Injury

Department of Anesthesiology, University Hospital CHUV

Y. Schutz

Institute of Physiology, Faculty of Medicine, University of Lausanne, Lausanne, Switzerland

TH Lemarchand

Department of Internal Medicine, University Hospital CHUV

J.-P. Felber

Department of Internal Medicine, University Hospital CHUV

N. De Tribolet

Deparmtent of Neurosurgery, University Hospital CHUV

J. Freeman

Department of Anesthesiology, University Hospital CHUV

E. Jéquier

Institute of Physiology, Faculty of Medicine, University of Lausanne, Lausanne, Switzerland

In order to evaluate the effect of head injury in severely traumatized patients on the response of plasma cortisol, glucagon, insulin, glucose, and FFA as well as urinary N and catecholamines excretions, 36 patients were prospectively studied over 5 consecutive days following injury. They were divided into three groups: group I, severe isolated head injury (n = 14); group II, multiple injury combined with severe head injury (n = 12); group III multiple injury without head injury (n = 10).

The results demonstrate similar hormonal and metabolic changes between these three groups of patients, characterized by elevated urinary adrenaline, noradrenaline excretion, increased cortisol, glucagon, insulin plasma levels throughout the study and elevated N urinary excretion with strongly negative N balances during the first 5 days postinjury. A significant correlation was observed between N intake and 5 day cumulated N balance (r = 0.63, p < 0.001). In addition, N balance was negatively correlated with urinary excretion of adrenaline (r = —0.47, p < 0.01) and noradrenaline (r = -0.44, p < 0.05) as well as plasma levels of glucagon (r = —0.44, p < 0.05). Isolated severe head injury seems to induce a full response in the secretion of the catabolic counterregulatory hormones comparable to that encountered in patients with multiple injury and associated with a marked increase in protein catabolism; additional noncranial major injury does not seem to enhance these responses. (Journal of Parenteral and Enteral Nutrition 13:5-12, 1989)

Journal of Parenteral and Enteral Nutrition, Vol. 13, No. 1, 5-12 (1989)
DOI: 10.1177/014860718901300105


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