The operation mainly used epineurium-epineurium coaptation, neuroma-epineurium coaptation and epineurium-tissue coaptation respectively.Therefore, the ruptured nerves were sutured without tension.
Results Aneurysms from anterior communicating artery and posterior communicating artery, which were not huge aneurysms, were easier to rupture. 32%of ruptured aneurysms were multilobe.