Methods Potentially related risk factors suchas age, sex, birth weight, FiO 2, time of inspiring oxygen, HMD, Apgar, intracerebral hemorrhage (ICH), repeated apnea, BPD, PDA of ROP in 135 patients with preterm infant were prospectively studied.

• 方法 以 1 35例早产儿患者为样本 ,对胎龄、性别、出生体重、吸氧时间、吸氧浓度、肺透明膜病、Apgar评分、颅内出血、支气管肺发育不良、反复呼吸暂停、动脉导管开放、眼底等检查。