Endovascular Treatment or Standard Medical Care for Cerebral Venous Sinus Thrombosis(ESCORT)

The patients randomized to standard medical care will receive (or continue) either any type of body-weight adjusted low molecular weight heparin in therapeutic dose, or intravenous adjusted dose unfractionated heparin (aPTT value kept within 1 time the normal value), according to the existing international guidelines.

Standard endovascular techniques to mechanically remove clot material, such as mechanical thrombectomy and/or balloon angioplasty and/or local application of alteplase or urokinase within the thrombosed sinuses.