Cerebral revascularization procedures are used in the surgical management of cerebral aneurysms in which there is agreat risk of generating ischemia, in the attempt for surgical or endovascular treatment. Besides this, these procedures are utilized en the treatment of cranial base tumors that encase and infiltrate the trunk of the internal carotid artery orits main branches, in the vascular occlusive disease with risk of producing hemodynamic type stroke and, in the moyamoya disease. These techniques have the aim of restoring the blood supply of the brain and with it, the nutrient loading in order to avoid ischemia in territories already affected or in risk. To obtain an effective revascularization, with good clinical outcome , the patient should be chosen adequately with cerebral blood flow studies and vascular reserve, to perform a meticulous technique and the correct graft should be elected.