American Journal of Clinical Nutrition, Vol 30, 1236-1247, Copyright © 1977 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Magnitude of the host nutritional responses to infection

WR Beisel

This review describes the scope, complexity, and magnitude of host nutritional responses throughout the course of an infectious process. These responses include prominent changes in nitrogen and protein metabolism, altered rates of carbohydrate and lipid production and utilization, and changes in mineral, electrolyte, trace element, and vitamin metabolism. It is postulated that these responses develop in a relatively predictable sequence which is influenced by the adequacy of host antimicrobial defense mechanisms, the severity and duration of illness, and specific localization of an infectious process within the body. In addition to hormonal regulatory effects, the metabolic and nutritional responses of the host are also influenced by biologically active substances released when host cells participate in phagocytic activity and local inflammatory responses.

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