患儿男,因“生后呻吟15 min”入院,胎龄29周因母妊娠期高血压剖宫产分娩,出生体重1000 g。入院后无进行性呼吸困难,胸部X线示右肺透过度减低,诊断宫内感染性肺炎,予以抗感染、吸氧,症状逐渐好转。生后第9天出现反复呼吸暂停,复查血常规WBC 20.4～42.1×109/L,CRP>12 mg/L,血培养阴性,临床诊断败血症,先后予以头孢他定、头 Children male, because “moan 15 Mo ” after birth admission, gestational age 29 weeks because of maternal hypertensive cesarean delivery, birth weight 1000 g. No progressive dyspnea after admission, chest X-ray showed reduced right lung penetration, diagnosis of intrauterine infection pneumonia, to be anti-infection, oxygen, the symptoms gradually improved. Respiratory apnea occurred on the 9th day after birth. The routine blood routine WBC was 20.4 ~ 42.1 × 109 / L, CRP> 12 mg / L, blood culture was negative, clinical diagnosis of sepsis was given to ceftazidime,