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Blood Coagul Fibrinolysis. 2013 Jul;24(5):540-3. doi: 10.1097/MBC.0b013e32835fad1e.

Hereditary thrombophilia in cerebral venous thrombosis: a study from India.

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  • 1National Institute of Immunohaematology, KEM Hospital, Parel, Mumbai, India.


A systematic study of thrombophilia markers in a large series of patients with cerebral venous thrombosis (CVT) from India is scarce. The present study was undertaken to know the prevalence of common hereditary thrombophilia in a large series of CVT patients from India. Six hundred and twelve (354 men, 219 women and 39 children) consecutive patients with CVT admitted to various hospitals in Mumbai between 2001 and 2010 were investigated for the common thrombophilia markers, that is, protein C (PC), protein S, antithrombin (AT), and factor V Leiden (FVL) mutation. The main presenting clinical manifestations included papilledema (62%), headache (62%), hemiparesis (48%), seizures (31%), and cranial nerve palsy (7%). All the patients were managed with heparin followed by warfarin during the succeeding 6 months. Superior sagittal sinus thrombosis was the commonest site (74%) followed by cortical venous thrombosis (15%). Associated clinical pathologies were dehydration, sepsis, pregnancy and puerperium, malaria, and tuberculosis; but in the majority of patients, there was no obvious cause. Eighteen percent of the patients had any of the thrombophilia markers studied; PC deficiency was the commonest thrombophilia marker followed by deficiency of protein S, FVL mutation and AT deficiency. The men below 45 years with PC deficiency (P=0.03) and women with protein S deficiency were significantly higher (P=0.04). In conclusion, CVT is not an uncommon cause of neurological deficit as was presented in earlier reports. Pregnancy and puerperium-related CVT was much less common. Thrombophilia markers accounted for approximately one-fifth of the patients. Death due to CVT has shown remarkable reduction (13%) because of early diagnosis and appropriate anticoagulation.

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