PMID: 1213264Jul 1, 1975Paper

Estimation of soluble fibrin monomer complexes for evaluation of hypercoagulability during pregnancy and delivery (author's transl)

Geburtshilfe und Frauenheilkunde
R HafterH Graeff

Abstract

The quantitative estimation of soluble fibrin monomer complexes (SFMC) was applied to evaluate the state of hypercoagulability during pregnancy and delivery. Blood samples from 67 healthy primi and multiparae, 6 to 40 weeks pregnant, and from a group of 8 women in labour and after delivery of the placenta were examined. Fibrinogen and SFMC were precipitated from plasma by precipitation with beta-alanine. Gel filtration (4% agarose) of the redissolved precipitate resulted in a separation of SFMC and fibrinogen. This enabled a quantitative estimation of the SFMC concentration (with-in assay precision: coefficient of variation=8%). The % amount SFMC of the total fibrinogen content increased from 2.6 +/- 0.4 to 4.9 +/- 1.3% (mean and standard deviation) to week 40 of pregnancy. During delivery an additional statistically significant increase occurred. Chain analysis of SFMC showed a decreased amount of alpha-chain indicating plasmin activity. gamma-gamma-dimers as residuals of intermolecular covalent bonding were not observed. The quantitative estimation of SFMC during pregnancy and delivery demonstrates that a state of hypercoagulability during gestation can be evaluated by measuring the catabolic products of fibrinogen. This may ...Continue Reading

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