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DOI: 10.1055/s-0038-1649080
The Effect of Barbituric Acid Derivatives on Platelet Function in Vitro and in Vivo[*]
Publication History
Received for publication
13 April 1973
Accepted for publication
16 July 1973
Publication Date:
30 June 2018 (online)
Summary
Sodium pentobarbital (SPB) and three other barbituric acid derivatives were found to inhibit platelet function in vitro. SPB had no effect on the primary response to ADP of platelets in platelet-rich plasma (PRP) or washed platelets but inhibited secondary aggregation induced by ADP in human PRP. The drug inhibited both phases of aggregation induced by epinephrine. SPB suppressed aggregation and the release reaction induced by collagen or low concentrations of thrombin, and platelet adherence to collagen-coated glass tubes. The inhibition by SPB of platelet aggregation was readily reversible and isotopically labeled SPB did not become firmly bound to platelets. No inhibitory effect on platelet aggregation induced by ADP, collagen, or thrombin could be detected in PRP obtained from rabbits after induction of SPB-anesthesia.
* Presented in part at the II. Congress of the International Society on Thrombosis and Hemostasis, Oslo, Norway, August, 1971.
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