Revista de neurologia · 1999
[Diagnosis and treatment of coagulation disorders].
Аннотация на английскомСтатьяОбзорНазвание и аннотация: Перевод пока не подготовлен
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Esnaola-Rojas M M
Аннотация
INTRODUCTION: Approximately 5% of all cerebrovascular events (CVE), and 10% of those occurring in young patients, are due to hematological disorders. Hypercoagulability states are related to CVE in young patients, deep vein thrombosis, recurrent thromboses, pulmonary embolism, a family history of thrombosis and unusual venous and arterial thromboses.
DEVELOPMENT: The conditions related to increased risk of thrombosis are: the congenital thrombophilias due to deficiency of protein C, protein S or antithrombin III, resistance to protein C activated by Leiden's factor V--cofactor of protein C with genetic mutation--; the primary antiphospholipid syndrome with anticardiolipin antibodies and lupus inhibitor; platelet disorders, deficit of heparin cofactor II, deficit of plasminogen and plasminogen tissue activator (t-PA) and increase in the inhibitor of plasminogen tissue activator (PAI-I); alterations in factors of coagulation such as deficits of factor VII and factor XIII, mutation of prothrombin 20210-->A, increase in factor VIII. Hyperfibrinogenemia and hyperhomocysteinemia are also independent risk factors for CVE.
CONCLUSION: The patients, especially young patients, with recurrent thrombosis or thrombosis of unknown origin should be assessed seeking clinical and serological signs of the primary antiphospholipid syndrome or other coagulopathies. Although we still have no results of controlled prospective studies regarding these conditions, long term anticoagulation is recommended on the findings of small-scale retrospective studies.
DEVELOPMENT: The conditions related to increased risk of thrombosis are: the congenital thrombophilias due to deficiency of protein C, protein S or antithrombin III, resistance to protein C activated by Leiden's factor V--cofactor of protein C with genetic mutation--; the primary antiphospholipid syndrome with anticardiolipin antibodies and lupus inhibitor; platelet disorders, deficit of heparin cofactor II, deficit of plasminogen and plasminogen tissue activator (t-PA) and increase in the inhibitor of plasminogen tissue activator (PAI-I); alterations in factors of coagulation such as deficits of factor VII and factor XIII, mutation of prothrombin 20210-->A, increase in factor VIII. Hyperfibrinogenemia and hyperhomocysteinemia are also independent risk factors for CVE.
CONCLUSION: The patients, especially young patients, with recurrent thrombosis or thrombosis of unknown origin should be assessed seeking clinical and serological signs of the primary antiphospholipid syndrome or other coagulopathies. Although we still have no results of controlled prospective studies regarding these conditions, long term anticoagulation is recommended on the findings of small-scale retrospective studies.