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Article
July 1965

Experimental Cardiogenic ShockEffect of Low Molecular Weight Dextran

Author Affiliations

MINNEAPOLIS
From the Department of Surgery, University of Minnesota Medical School. National Institutes of Health Postdoctoral Fellow, National Heart Institute (Dr. Bloch); Markle Scholar in Academic Medicine and Associate Professor of Surgery (Dr. Lillehei).

Arch Surg. 1965;91(1):77-85. doi:10.1001/archsurg.1965.01320130079011
Abstract

IN BROAD terms, shock may be defined as a state in which cardiac output is insufficient to meet the normal nutritional needs of tissues. The shock syndrome may have a variety of initiating causes, but shock becomes progressive, not necessarily because the initial cause is becoming more severe, but because intrinsic changes in the animal deprived of adequate tissue blood supply tend to perpetuate circulatory deterioration. One of these intrinsic changes is associated with alterations in the rheologic properties of the blood.

Cardiogenic shock, a syndrome of progressive circulatory deterioration initiated by myocardial damage, is the most common clinical etiological factor associated with shock, and has a mortality approaching 80%.1 In common with other forms of shock, reduced venous return, low cardiac output, high peripheral resistance, and microcirculatory insufficiency are self-propagating. It is commonly held that there is something "different" about cardiogenic shock that removes it from other forms

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