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  • Title: Leukocyte margination during hemorrhagic shock correlates to preshock margination and is reduced by fucoidin.
    Author: Wikström T, Braide M, Bagge U, Risberg B.
    Journal: Shock; 1995 Jan; 3(1):40-5. PubMed ID: 7850578.
    Abstract:
    Systemic and pulmonary circulation kinetics for 51Cr-erythrocytes and 111In-leukocytes were measured in rats during experimental hemorrhagic shock and normotension with or without pretreatment with the antirolling agent fucoidin. Leukocyte margination was expressed as transit factors (white blood cell transit time/red blood cell transit time) for polymorphonuclear and mononuclear cells. There was an increased pooling of leukocytes in the pulmonary and systemic vascular beds during shock with a maximum after 60 min when the transit factors had increased 2.90-3.72 times in the pulmonary vascular bed and 2.00-3.52 times in the systemic vascular bed for mononuclear and polymorphonuclear cells, respectively. High preshock pooling levels lead to a more pronounced increase in pooling during shock. Pretreatment with fucoidin significantly reduced the pooling increase in the systemic vascular bed. Granulocyte oxidative activity (nitro blue tetrazolium test) invariably increased during shock and was not affected by fucoidin.
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