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Abstract
Objectives: To investigate the genetic and acquired thrombophilic risk factors in pregnancy-associated complications and venous thromboembolism (VTE) and evaluate the association between particular thrombophilic risk factors and thromboembolic complications.
Methods: In this study, pregnant women with pregnancy complications and VTE (N = 101) were the study group, and the control group were women with normal pregnancy (N = 102). All women underwent testing for factor V Leiden mutation (FVL), mutation of the coagulation factors II (FII20210), methylenetetrahydrofolate reductase (MTHFR), plasminogen activator inhibitor-1, antithrombin III (ATIII), protein C (PC) and protein S, lupus anticoagulant (LAC) antibodies, anticardiolipin antibodies and anti-beta-2-glycoprotein-1.
Results: In this study group, mutations of the FVL was 15.8% (16/101), FII20210 5.9% (6/101) and the MTHFR at locus 677 was TT in 19.8% (20/101). Deficiency of ATIII and PC were rare: 3.0% and 1.0%, respectively. LAC were significantly higher in the study group than in the control group: 32.7% versus 3.9%; p < 0.0005. Pregnant women with VTE have been more frequent for FVL (41.7%; p < 0.005), PC deficiency (25.0%; p < 0.005) and LAC (33.3%; p < 0.005). Combination of FVL and MTHFR mutation was related to the risk of recurrent fetal death and habitual abortion.
Conclusion: The inherited and the acquired thrombophilic risk factors were found to be up to 10 times more common in the study group than in the control group.
Acknowledgements
Authors would like to express special thanks of gratitude to Prof. Blazenka Grahovac from Medical School of Rijeka University, Department of Pathology, Croatia, for valuable suggestions during this study.
Declaration of interest
The authors report no declarations of interest.