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Results for “ACETYLSALICYLIC ACID”

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PubMed1977

Inhibition of platelet adhesion to rabbit aorta by sulphinpyrazone and acetylsalicylic acid.

A technique for the isolation of rabbit thoracic aorta in a form in which it can withstand normal pressure and a new in vitro system in which it was tested is described. Segments of aorta were selectively damaged with a balloon catheter by the Baumgartneer technique and supensions of washed platelets, labelled with 51Cr, were perfused through them. More platelets adhered to the damaged surface than to the undamaged surface. Suophinpyrazone was more effective than aspirin in inhibiting platelet adherence to both the damaged and undamaged surface.

Animals↗
PubMed1996

Effect of single and repeated doses of a new nitroderivative of acetylsalicylic acid on platelet TXA2 production in rats.

The effects of a new ASA-nitroderivative compound, NCX 4016 (ASA-NO2), on platelet TXA2 synthesis after single and repeated doses in the rat were investigated. Compared to ASA, cumulative doses of ASA-NO2 showed similar inhibitory effects on platelet TXA2 synthesis and significant increases in nitrite/nitrate plasma concentrations 1 h after the last drug administration: 24 h later nitrite/nitrate plasma levels returned to the control values, while serum TXA2 concentrations did not change. A time-course study after a single dose of ASA-NO2 showed a significant inhibition of platelet TXA2 production also 24 h after drug administration and a significant increase in nitrite/nitrate plasma levels until 10 h.

Animals↗