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世界卫生组织(WHO)将早产儿定义为出生时胎龄<37周的婴儿[1]。随着早产儿救治能力的提高,救治下限也随之扩大,突出体现在极低出生体重儿/超低出生体重儿(VLBW/ELBW婴儿)等危重早产儿数量增加,需要救治及救治存活者增加[2]。不同国家、地区间早产儿出院标准受早产儿发育成熟的程度、疾病恢复的规律以及医院管理能力、医疗资源可利用性、经济保障能力等诸多因素的影响而不完全相同。目前国内多数医院新生儿重症监
The World Health Organization (WHO) defines premature babies as infants born at 37 weeks gestational age [1]. With the improvement of the treatment capacity of premature infants, the lower treatment limit also expands, which is highlighted by the increase in the number of critically ill preterm infants with very low birth weight / low birth weight (VLBW / ELBW infants), and the need for treatment and rescue survivors [2]. The discharge standard of preterm infants in different countries and regions is not exactly the same as that of the mature and premature infants, the law of disease recovery, the hospital management ability, the availability of medical resources, the economic security and so on. At present, most hospitals in China neonatal intensive care