Hematopoietic stem cell transplantation for Hodgkin's disease in a patient with dysfibrinogenemia and thrombosis

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Abstract

Introduction: Dysfibrinogenemia is a disorder of fibrinogen structure and is associated with a functional abnormality. Since fibrinogen is a key component of both the procoagulant and fibrinolytic pathways, defects in fibrinogen function can be associated with increased risk for both hemorrhage and thrombosis. Management of patients with dysfibrinogenemia and a thrombotic tendency usually involves long-term anticoagulation. Case: A 36-year-old male with relapsed nodular sclerosing Hodgkin's was found to have a prolonged prothrombin time, low fibrinogen activity and a normal fibrinogen antigen during evaluation for a hematopoietic peripheral blood stem cell transplant. His past medical history was significant for an acute myocardial infarction and two episodes of acute pancreatitis. His father had dysfibrinogenemia complicated by multiple thrombotic episodes. A trans-esophageal echocardiogram revealed two thrombi, one each in the superior vena cava and the descending aorta. He was treated with enoxaparin and received peripheral blood stem cell transplantation. An effort was made to maintain his fibrinogen activity levels at 200 mg/dL using cryoprecipitate. A month following the transplant he developed a new thrombus in the right internal jugular vein, while on enoxaparin and he was started on argatroban and cryoprecipitate followed by fondaparinux. A repeat echocardiogram six weeks later demonstrated that the burden of thrombus both in the right atrium and descending aorta was significantly lower. Discussion: This is the first case report of a patient with dysfibrinogenemia undergoing peripheral blood stem cell transplantation. Conventional anticoagulant therapy and cryoprecipitate seem to be a reasonable management strategy to prevent thrombosis in a patient with dysfibrinogenemia and a thrombophilic tendency. Secondly, fondaparinux can be used in cases of failure of therapy with low molecular weight heparins and may actually be superior to low molecular weight heparins, especially in patients with dysfibrinogenemia.

Original languageEnglish (US)
Pages (from-to)155-158
Number of pages4
JournalJournal of Thrombosis and Thrombolysis
Volume23
Issue number2
DOIs
StatePublished - Apr 1 2007

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Keywords

  • Dysfibrinogenemia
  • Enoxaparin
  • Fondaparinux
  • Hematopoietic stem cell transplantation
  • Thrombophilia

ASJC Scopus subject areas

  • Hematology
  • Cardiology and Cardiovascular Medicine

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