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Case Reports
. 2013 Jan;9(1):112-4.

Dabigatran, a direct thrombin inhibitor, can be a life-saving treatment in heparin-induced thrombocytopenia

Ahmad Mirdamadi  1
Affiliations
Case Reports

Dabigatran, a direct thrombin inhibitor, can be a life-saving treatment in heparin-induced thrombocytopenia

Ahmad Mirdamadi. ARYA Atheroscler. 2013 Jan.

Abstract

Background: Several studies have emphasized thrombosis associated with thrombocytopenia as a potentially fatal complication of heparin. A number of agents are used for this condition. As a new oral, reversible direct thrombin inhibitor, dabigatran has been approved for short-term thromboprophylaxis after elective hip and knee replacement surgery. We present a case of dabigatran administration in a patient with femoral fracture.

Case report: A 67-year-old woman referred to the orthopedic ward of Shariati Hospital (Isfahan, Iran) due to femoral fracture following an accident. Immediately after surgery, she was found to be suffering from deep vein thrombosis (DVT) in her lower extremity despite sufficient prophylaxis by enoxaparin. Laboratory data showed severe thrombocytopenia. Considering the clinical history, an initial diagnosis of heparin-induced thrombocytopenia was made. Doppler ultrasound confirmed the diagnosis. Heparin was thus replaced with dabigatran which increased platelet count to the normal range and improved DVT.

Conclusion: Dabigatran can be a life-saving treatment in heparin-induced thrombocytopenia. However, it is contraindicated in patients with renal dysfunction since it may cause potentially catastrophic results.

Keywords: Dabigatran; Enoxaparin; Heparin; Heparin Induced Thrombocytopenia.

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Figures

Figure 1
Figure 1
Ultrasound before dabigatran administration (1/15/2012)
Figure 2
Figure 2
Platelet (Plt) counts before and after treatment whit dabigatran
Figure 3
Figure 3
Ultrasound ten days after initiation of dabigatran (1/25/2012)
See this image and copyright information in PMC

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