Coagulation and fibrinolytic parameters in normal pregnancy and in pregnancy complicated by intrauterine growth retardation

Jordi Bellart, Rosa Gilabert, Jordi Fontcuberta, Elena Carreras, Ramon M. Miralles, Lluis Cabero

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41 Citations (Scopus)

Abstract

The objective of this article is to evaluate the plasma levels of coagulation and fibrinolysis parameters in the third trimester of gestation and 72 hr postdelivery. Antithrombin III (ATIII), thrombin-antithrombin III complexes (TAT), heparin cofactor II (HCII), protein C (PC), protein S (PS), tissue plasminogen activator (t-PA), D-dimer, and plasminogen activator inhibitors (PAI-1 and PAI-2) levels in uncomplicated pregnancies and in pregnancies complicated by intrauterine growth retardation (IUGR) have been determined. Normal pregnant women (n = 63) and women whose was complicated by IUGR (n = 10) formed the study population. Coagulation and fibrinolysis parameters were estimated using commercial tests. There were no differences in ATIII, HCII, and PS levels between normal and IUGR pregnancies. TAT, t- PA, and D-dimer levels were higher in IUGR pregnancy than in the uncomplicated pregnancy group. PAI-1 and PAI-2 were found depressed in IUGR pregnancy when compared with normal pregnancy. Changes in coagulation and fibrinolytic systems occur in plasma of women with pregnancies complicated by IUGR. The results suggest an activation of the coagulation system in pregnancies complicated by IUGR. Reduced PAI-2 and high TAT levels correlate with birth weight. In IUGR pregnancies a hypercoagulative state with hyperfibrinolytic compensatory mechanisms is suggested.
Original languageEnglish
Pages (from-to)81-85
JournalAmerican Journal of Perinatology
Volume15
Issue number2
DOIs
Publication statusPublished - 1 Jan 1998

Keywords

  • Coagulation
  • Fibrinolysis
  • Intrauterine growth retardation
  • Pregnancy

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