C Herweh1, M Griebe2, C Geisbüsch3, K Szabo2, E Neumaier-Probst4, M G Hennerici2, M Bendszus1, P A Ringleb3, S Nagel3. 1. Department of Neuroradiology, University of Heidelberg, Heidelberg, Germany. 2. Department of Neurology, Universitätsmedizin Mannheim, University of Heidelberg, Mannheim, Germany. 3. Department of Neurology, University of Heidelberg, Heidelberg, Germany. 4. Department of Neuroradiology, Universitätsmedizin Mannheim, University of Heidelberg, Mannheim, Germany.
Abstract
BACKGROUND AND PURPOSE: The temporal course of recanalization and its association with clinical outcome were analysed in our patients with cerebral sinus and/or venous thrombosis (CSVT) and follow-up magnetic resonance imaging (MRI). METHODS: Between January 1998 and September 2014 all patients from our institutions with CSVT were systematically analysed. Baseline data, treatment characteristics and follow-up MRI were retrospectively recorded. The status of recanalization was assessed as complete (CRec), partial (PRec) or failed recanalization. Clinical follow-up was measured with the modified Rankin Scale. Excellent outcome was defined as modified Rankin Scale 0-1. RESULTS: Ninety-nine patients were identified; 97% of these patients were treated with oral anticoagulation (OAC) and the median (min-max) time of OAC was 7 months (1-84). CRec was achieved in 57.6% (57/99), PRec in 29.3% (29/99) and only 13 (13.1%) patients did not recanalize. The median (min-max) time to PRec was 4 months (0.25-14) and to CRec 6 months (2-34). Median time to last clinical follow-up was 8 months (1-88); 91.8% (89/99) had an excellent outcome at last clinical follow-up and only 2.1% (2/99) died. Only thrombosis of the superior sagittal sinus was independently associated with successful recanalization (odds ratio 16, 95% confidence interval 2-138). No severe haemorrhagic complications and no recurrence of CSVT occurred within clinical follow-up. No association of outcome and recanalization status was found. CONCLUSIONS: The recanalization rate of CSVT under OAC was high and the median time to CRec was 6 months. Thrombosis of the superior sagittal sinus is a positive predictor of recanalization. Outcome in this cohort was excellent but no significant association of outcome and recanalization status was found.
BACKGROUND AND PURPOSE: The temporal course of recanalization and its association with clinical outcome were analysed in our patients with cerebral sinus and/or venous thrombosis (CSVT) and follow-up magnetic resonance imaging (MRI). METHODS: Between January 1998 and September 2014 all patients from our institutions with CSVT were systematically analysed. Baseline data, treatment characteristics and follow-up MRI were retrospectively recorded. The status of recanalization was assessed as complete (CRec), partial (PRec) or failed recanalization. Clinical follow-up was measured with the modified Rankin Scale. Excellent outcome was defined as modified Rankin Scale 0-1. RESULTS: Ninety-nine patients were identified; 97% of these patients were treated with oral anticoagulation (OAC) and the median (min-max) time of OAC was 7 months (1-84). CRec was achieved in 57.6% (57/99), PRec in 29.3% (29/99) and only 13 (13.1%) patients did not recanalize. The median (min-max) time to PRec was 4 months (0.25-14) and to CRec 6 months (2-34). Median time to last clinical follow-up was 8 months (1-88); 91.8% (89/99) had an excellent outcome at last clinical follow-up and only 2.1% (2/99) died. Only thrombosis of the superior sagittal sinus was independently associated with successful recanalization (odds ratio 16, 95% confidence interval 2-138). No severe haemorrhagic complications and no recurrence of CSVT occurred within clinical follow-up. No association of outcome and recanalization status was found. CONCLUSIONS: The recanalization rate of CSVT under OAC was high and the median time to CRec was 6 months. Thrombosis of the superior sagittal sinus is a positive predictor of recanalization. Outcome in this cohort was excellent but no significant association of outcome and recanalization status was found.
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