Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Fitscha, P; Simmet, T; Peskar, BA; Reuter, H; Sinzinger, H; Rogatti, W; Tilsner, V.
Fibrinolytic activity, thrombocyte function and pharmacokinetics during intra-arterial or intravenous prostaglandin E1 infusion in patients with chronic arterial occlusive disease
Wien Klin Wochenschr. 1988; 100(14):477-481
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- Co-Autor*innen der Med Uni Graz
- Peskar Bernhard
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- Abstract:
- Monitoring various parameters of fibrinolytic activity in 6 patients with arterial occlusive disease during intra-arterial (i.a.) or intravenous (i.v.) prostaglandin (PG) E1 infusions indicated activation of the endogenous fibrinolytic system. However, due to the small number of patients not all test parameters revealed significant changes. None of the PGE1 infusion regimens used (1.25 or 2.5 ng/kg/min i.a. or 5 or 10 ng/kg/min i.v. for 120 min in each case) led to any significant change in various parameters checked for ex-vivo platelet function. In agreement with these data the radioimmunological determination of PGE1 in venous plasma did not reveal any significant rise. On the other hand, the circulating metabolite of PGE1, 15-keto-13, 14-dihydro-PGE1, reached plasma levels which correlated well with expected theoretical values taking the infusion rate into consideration. A potential mechanism by which even low plasma concentrations of PGE1 might affect platelet function in vivo is discussed.
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