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Thromboelastography parameters in Italian pregnant women: do antithrombotic drugs change reference values?
  1. Giovanni Luca Tiscia1,
  2. Antonio De Laurenzo1,
  3. Filomena Cappucci1,
  4. Giovanni Favuzzi1,
  5. Elena Chinni1,
  6. Pasquale Vaira2,
  7. Angelo Ostuni3,
  8. Maurizio Margaglione4,
  9. Elvira Grandone1
  1. 1 Thrombosis and Haemostasis, Fondazione I.R.C.C.S. " Casa Sollievo della Sofferenza", San Giovanni Rotondo, Puglia, Italy
  2. 2 Anesthesiology and Intensive Care Medicine, Fondazione I.R.C.C.S. " Casa Sollievo della Sofferenza", San Giovanni Rotondo, Puglia, Italy
  3. 3 Transfusion Medicine, AOU Policlinico di Bari, Bari, Italy
  4. 4 Medical Genetics, Dept. of Medical and Experimental Medicine, University of Foggia, Foggia, Puglia, Italy
  1. Correspondence to Dr Elvira Grandone, Thrombosis and Haemostasis Unit, Fondazione I.R.C.C.S. " Casa Sollievo della Sofferenza", San Giovanni Rotondo, Puglia, Italy; e.grandone{at}operapadrepio.it

Abstract

This study was carried out to explore hemostasis modifications occurring in pregnant women and thromboelastography profiles in those taking antithrombotic drugs. An exploratory study was carried out in the period from March 2017 to May 2018. Caucasian women from Southern Italy were recruited during a routine obstetric assessment. Participants were divided into four groups: T1 (gestational week <14 weeks), T2 (14–28 weeks), T3 (29–42 weeks) and T4 in the postpartum period. We investigated thromboelastography profile in 19 and 5 women administered with low-molecular-weight heparin or low-dose aspirin, respectively. “MA” value observed in the T1 group was significantly greater than that observed in the T3 and the T4 groups, while “K” in the T1 group was significantly longer than that in the T3 and the T4 groups, indicating a gradual development of a prothrombotic state (in all cases Mann-Whitney U test, p<0.05). Significant differences within “R” were observed between the T2 and the T3 and between the T3 and the T4 (“R” parameter) (Mann-Whitney U test, p<0.05). “LY30” parameter resulted to be significantly higher in the T1 group (Mann-Whitney U test, p=0.01) compared with the T4 one, indicating fibrinolysis decreases throughout pregnancy and until post partum. No significant variations were found in women administered with prophylactic doses of low-molecular-weight heparin. Significantly higher fibrinolysis (p<0.01) was observed for “LY30” parameter in women taking low-dose aspirin versus women not taking any treatments. Our data contribute to better interpret thromboelastography profile in the context of peripartum complications, which are often unpredictable and need prompt therapies.

  • pregnancy
  • diagnostic tests
  • routine
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Footnotes

  • Contributors GLT drafted and designed the work. ADL, FC and PV performed TEG assays. FC, GF and EC analyzed and interpreted data. PV and EG selected patients. AO, MM and EG conceived the work and revised it critically for important intellectual content. All authors approved the final version of the work submitted.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Ethics approval This study was approved by the hospital ethics board and performed in compliance with the Declaration of Helsinki.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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