Studies on the Heparin-Tolerance-Test

Gormsen, J

doi:10.1159/000206464

Cited by 8 publications

(1 citation statement)

References 7 publications

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“…Thrombi n generation T est is carried out as earlier reported according to the principles of Pitney a nd D acie (5). B lood is drained eith er from a wide plastic cannula placed within the lumen of the femoral art ery of a dog or from a huma n vein into a plastic tube containing trisodium citrate 3.8% (one part citra t e to 9 parts blood).…”

Section: Methodsmentioning

confidence: 99%

The Effect of Sulfhydrylinhibitors and Glycine Derivatives on Fibrin Polymerization and the Physical Strength of Fibrin in Plasma

Gormsen¹,

Sivertsen²

1964

Thromb Haemost

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SummaryThe influence of p-CMB, iodoacetamide, iodoacetic acid, N-ethylmaleimide, glycerinederivatives and of EDTA on thrombingeneration on fibrinpolymeriza- tion and on the physical strength of clots as expressed by spectrophotometrical and thrombelastographic measurements respectively has been examined.P-CMB and N-ethylmaleimide significantly inhibit the thrombin generation.EDTA retards the initial steps of the fibrinpolymerization and it increases the final turbidity. Its effect is neutralized by calcium and magnesium. The sulfhydrylinhibitors do not inhibit the polymerization neither do the glycinederivatives.To judge from these results does FSF not influence the polymerization but calcium and magnesium do. This statement is verified using FSF deficient plasma.The four SH-inhibitors tested inhibit the development of a normal thromb- elastogram, specially in reducing the mA values. Cysteine, having no effect by itself, reverses the effect of p-CMB and iodoacetamide.p-CMB has a similar effect when added to FSF deficient plasma and the main effect of this SH inhibition is suggested to be on platelet enzymes. p-CMB and iodoacetic acid also reduce the m A values of platelet-free normal plasma possibly by inhibiting FSF.

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Section: Methodsmentioning

confidence: 99%