It has still been elusive for effective preventive and therapeutic treatments. Recent years some scholars considered that apoptosis (programmed cell death ,PCD) after SAH may play an important role in the delayed neuronal death(DND).

• 近年来有学者认为蛛网膜下腔出血(SAH)后凋亡(即程序性细胞死亡，PCD)对迟发性神经元死亡起十分重要的作用。