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  • Title: Salutary consequences of blockade of platelet activating factor in hemorrhagic shock.
    Author: Stahl GL, Bitterman H, Terashita Z, Lefer AM.
    Journal: Eur J Pharmacol; 1988 May 10; 149(3):233-40. PubMed ID: 3409951.
    Abstract:
    We studied the effects of a potent, specific platelet activating factor (PAF) antagonist, CV-6209, in a murine model of hemorrhagic shock. Hemorrhaged rats treated with CV-6209 (1 mg/kg) maintained post-reinfusion mean arterial blood pressure (MABP) at significantly higher values than rats receiving either 0.9% NaCl or a lower dose (0.2 mg/kg) of CV-6209 (final MABP 88 +/- 4 vs. 57 +/- 4, vs. 61 +/- 7 mm Hg, respectively). CV-6209 (1 mg/kg) also significantly attenuated the increase in plasma cathepsin D activity following hemorrhage compared with hemorrhaged rats receiving only its vehicle (i.e. 0.9% NaCl). CV-6209 (1 mg/kg) also significantly decreased the plasma accumulation of free amino-nitrogen compounds and the plasma activity of a myocardial depressant factor (MDF) compared to hemorrhaged rats receiving 0.9% NaCl. Rats receiving CV-6209 (1 mg/kg) exhibited a significantly increased survival rate and survival time post-reinfusion compared to rats receiving only the vehicle. These data indicate that PAF is an important mediator of hemorrhagic shock in the rat and that PAF receptor antagonists may be useful in hemorrhagic shock states.
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