End-to-side anastomosis -- Side-to-side anastomosis -- End-to-end anastomosis -- Dexterity -- Donors and recipients -- In the zone -- Clamp time -- Arteriotomy -- Suturing technique -- Tissue handling -- Tightening and tying -- Bypass patency -- Aneurysm occlusion -- Extracranial-to-intracranial bypass -- Extracranial-to-intracranial bypass with interposition graft -- Reimplantation -- In situ bypass -- Reanastomosis -- Intracranial-to-intracranial bypass with interposition graft -- Combination bypass -- Middle cerebral artery bypass strategy -- Anterior cerebral artery bypass strategy -- Posterior inferior cerebellar artery bypass strategy -- Basilar artery bypass strategy.