Methods 63 cases of severe traumatic brain injury were randomly divided into 2 groups: stan dard craniotomy with large flap resection group (32 cases, treatment group) and routine craniotomy group (31 cases, control group).

• 方法63例重型颅脑损伤患者随机分为2组:标准外伤大骨瓣组(治疗组)32例,常规骨瓣组(对照组)31例。