Related Experiment Videos
Thromboelastography, whole-blood haemostasis and recurrent miscarriage
1Faculty of Medicine, Department of Obstetrics and Gynaecology, Imperial College London, St Mary's Hospital, Mint Wing, South Wharf Road, London W2 1PG, UK. r.rai@imperial.ac.uk
Human Reproduction (Oxford, England)
|December 4, 2003
Summary
Thromboelastography reveals a prothrombotic state in women with recurrent miscarriage. This heightened thrombotic risk increases the likelihood of future pregnancy loss in untreated pregnancies.
Area of Science:
- Reproductive Medicine
- Hematology
- Thrombosis Research
Background:
- Recurrent miscarriage can stem from thrombotic factors.
- Thromboelastography (TEG) is a reliable whole-blood hemostasis test.
Purpose of the Study:
- To investigate the hemostatic differences in women with recurrent miscarriage compared to controls.
- To assess the predictive value of TEG parameters for miscarriage risk.
Main Methods:
- Thromboelastography was performed on 494 non-pregnant women with recurrent miscarriage history and 55 parous controls.
- Prospective outcome of untreated pregnancies was monitored in 108 women with recurrent miscarriage.
Main Results:
- Women with recurrent miscarriage showed higher maximum clot amplitude (MA) and lower clot lysis (LY30) than controls.
- Elevated pre-pregnancy MA predicted subsequent miscarriage, with MA ≥64 mm demonstrating 68% sensitivity and 82% specificity.
- A prothrombotic state was identified in women with recurrent miscarriage.
Conclusions:
- Thromboelastography identifies a prothrombotic subgroup among women with recurrent miscarriage.
- This prothrombotic state is associated with an increased risk of future miscarriage in untreated pregnancies.