Results: The main reasons for acute encephalocele were delayed intracranial hematoma, acute brain swelling, hypotension or hypoxia and injury of large veins.

• 结果导致脑膨出的主要原因有迟发性颅内血肿、急性弥漫性脑肿胀、低血压、低血氧及较大回流静脉的损伤。