Schweiz Med Wochenschr. 1992 May 16;122(20):776-9.

Oxygen transport in septic shock.

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Department of Intensive Care, Kuopio University Hospital, Finland.

Abstract

Septic shock is an acute impairment of tissue perfusion, characterized by hypotension, low systemic vascular resistance and increased blood levels of lactate. Myocardial dysfunction is common despite hyperdynamic circulation, and may limit the patient's ability to respond to increased tissue oxygen demand. The treatment of hypotension necessitates the use of sympathomimetic drugs, which may compromise regional tissue perfusion despite overall stabilization of hemodynamics. The disproportionately high splanchnic oxygen demand in sepsis makes the splanchnic region susceptible to tissue hypoxia, which may contribute to the development of multiple organ failure in septic shock. Since the changes in regional oxygen transport do not necessarily parallel changes in systemic oxygen transport, the effects of vasoactive drugs on regional blood flow in sepsis should be studied in more detail.

PMID:: 1604284; [PubMed - indexed for MEDLINE]

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