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^ Case Study Treatment of Thrombosis
A 23-year old pregnant woman who has been administered IV heparin for treatment of deep vein thrombosis has developed heparin-induced thrombocytopenia. Altering therapy by removing heparin and adding warfarin is not a viable option, because warfarin can cross the placenta and exert an anticoagulant effect in the fetus. Suggest a treatment approach.
Answer: Treatment of thrombosis can be initiated during pregnancy with infusion of argatroban, a direct inhibitor of thrombin. This drug does not cross the placenta and has not been reported to produce effects in the fetus. Argatroban is discontinued at the time of delivery, and thrombosis is then managed postpartum for 2 months with warfarin.
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