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Thrombomodulin: a new marker for placental abruption
U Magriples1, D W Chan, D Bruzek
1Department of Obstetrics and Gynecology, Yale University, New Haven, CT 06510, USA.
Thrombosis and Haemostasis
|February 12, 1999
Summary
Thrombomodulin (TM) is a sensitive marker for placental abruption. Elevated TM levels can help diagnose this pregnancy complication, outperforming other diagnostic methods.
Area of Science:
- Obstetrics and Gynecology
- Maternal-Fetal Medicine
- Endocrinology
Background:
- Thrombomodulin (TM) is a key protein involved in regulating coagulation and inflammation.
- TM is expressed on endothelial cells, including those in the placenta.
- Endothelial cell damage is implicated in various pregnancy complications.
Purpose of the Study:
- To evaluate Thrombomodulin (TM) as a diagnostic marker for placental abruption.
- To compare the sensitivity and specificity of TM with existing diagnostic methods for placental abruption.
Main Methods:
- A prospective cohort study was conducted with 25 pregnant women presenting with suspected placental abruption.
- Plasma TM levels were measured and compared between women with confirmed abruption (Group 1) and those without (Group 2).
- Sensitivity and specificity of TM at a threshold of >=60 ng/ml were calculated.
Main Results:
- Thrombomodulin (TM) levels were significantly higher in women with confirmed placental abruption (71.59 ng/ml) compared to controls (48.29 ng/ml).
- A TM level >=60 ng/ml demonstrated 87.5% sensitivity and 76.5% specificity for diagnosing placental abruption.
- TM showed superior sensitivity compared to coagulation profiles (0%), Kleihauer-Betke test (16.7%), and ultrasound (28.6%).
Conclusions:
- Thrombomodulin (TM) is a highly sensitive and specific biomarker for acute placental abruption.
- TM measurement offers a valuable tool for the early and accurate diagnosis of placental abruption.
- Further research may explore TM's role in predicting adverse outcomes associated with placental abruption.