Six months later, the result of the head CT were displasia in 12 cases, hydrocephalus in 4 cases, encephalomalacia in 6 cases and cerebrapprosis in 4 cases.

• 随访1年，脑瘫14例，脑积水4例，癫痫2例，智力低下6例，6月后复查头颅CT结果为发育不良12例，脑室扩大或脑积水4例，软化灶6例，孔洞脑4例。