早产儿由于免疫系统发育未完善,功能不成熟,特别是体内免疫球蛋白含量低,故比足月儿更易感染,临床医生习惯给予早产儿预防性使用抗生素,这样做是否合理呢?本文对一组出生时无感染征象的早产儿预防性使用抗生素,严格设置对照组,观察其院内感染发生率及预后,报道如下。表1　早产 Premature children due to the development of the immune system is not perfect, immature, in particular, low levels of immunoglobulin in vivo, it is more susceptible than full-term children, clinicians used to give preterm preterm use of antibiotics, it is reasonable to do so? Preterm infants born without infection signs of prophylactic use of antibiotics, strict control group set up to observe the incidence of nosocomial infection and prognosis, reported as follows. Table 1 Premature delivery