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Background: A prospective, observational study was done at a tertiary care hospital in Western Maharashtra to describe the etiologies, clinical features, diagnosis and prognosis of cerebral venous sinus thrombosis in an Indian population. Methods: 54 patients with clinical and MRI features suggestive of cerebral venous sinus thrombosis (CVST), were studied with detailed clinical evaluation and pro-thrombotic work up. All were followed up monthly for 6 months, to assess the response to therapy and clinical outcomes. Results: The mean age of presentation was 35 years. Headache was the most common presenting symptom (94%) and hemi paresis (22%) was the most common neurological sign. The most common sinus involved was transverse sinus in 77% of cases. In the unprovoked CVST subset (n = 29), elevated factor VIII (72%) and protein C deficiency (24%) were the common prothrombotic states identified. In the provoked CVST subset (n = 18), puerperium (44%) and para-infectious (22%) accounted for majority cases. Idiopathic CVST accounted for 13% (7/54) in this study. A Modified Rankin Scale (MRS) of 0-1 was achieved in 96% of patients at the end of 6 months follow up with no mortality in this study. Conclusion: CVST is an important yet under recognized cause of intracranial hypertension and stroke in young. Clinical presentation is extremely varied and a high index of suspicion is needed. Magnetic Resonance Imaging (MRI) brain with Magnetic Resonance Venography (MRV) is the current diagnostic modality of choice. Elevated factor VIII and puerperium are the common etiologies in an Indian population. Management with anticoagulants is safe and has excellent clinical outcomes.

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In patients with spontaneous intracerebral haemorrhage who present within 72 h of the onset of symptoms, MAP can be safely lowered if it crosses 115 mm of Hg but it does not improve clinical outcome.

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