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Related Experiment Videos

Coagulation profile in severe preeclampsia.

L Leduc1, J M Wheeler, B Kirshon

  • 1Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas.

Obstetrics and Gynecology
|January 1, 1992
PubMed
Summary
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In preeclampsia, a normal platelet count indicates no other clotting issues. Monitoring only platelet counts is safe, reserving other tests for severe thrombocytopenia.

Area of Science:

  • Obstetrics and Gynecology
  • Hematology
  • Critical Care Medicine

Background:

  • Preeclampsia and superimposed preeclampsia involve coagulation abnormalities.
  • Platelet count is a key indicator, but its predictive value for other clotting issues needs clarification.

Purpose of the Study:

  • To determine if a normal platelet count excludes other significant clotting abnormalities.
  • To identify the thrombocytopenia threshold predicting other coagulation index risks in preeclampsia.

Main Methods:

  • Retrospective analysis of 100 women with severe preeclampsia or chronic hypertension with superimposed preeclampsia.
  • Evaluation of platelet counts, fibrinogen levels, prothrombin time (PT), and partial thromboplastin time (PTT).

Main Results:

Related Experiment Videos

  • Fifty women had platelet counts <150,000/microL; 13 had low fibrinogen, 2 had prolonged PT/PTT.
  • Admission platelet count strongly predicted subsequent thrombocytopenia (r=0.829, P<.001).
  • No abnormal fibrinogen, PT, or PTT occurred without thrombocytopenia.

Conclusions:

  • Normal admission platelet counts in preeclampsia effectively rule out other significant coagulation abnormalities.
  • Reserve PT, PTT, and fibrinogen testing for patients with platelet counts <100,000/microL.