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低体质量早产儿(low-birth-weight premature infants)是指胎龄小于37周、出生体质量小于2.5 kg的活产婴儿,在中国的发生率为5.0%～6.4%[1]。因各项生理功能尤其是呼吸功能发育不全,故低体质量早产儿病死率极高。近年来,随着围生医学的迅速发展及新生儿监护病房(NICU)的设立,低体质量早产儿存活率有了较大提高,但后期体格、智力发育异常的发生率却逐渐显现。早期干
Low-birth-weight premature infants refer to live births less than 37 weeks gestation and less than 2.5 kg birth weight, with a prevalence of 5.0% to 6.4% in China [1]. Due to various physiological functions, especially respiratory dysfunction, so low body mass preterm children with high mortality. In recent years, with the rapid development of perinatal medicine and the establishment of neonatal intensive care unit (NICU), the survival rate of preterm infants with low birth weight has been greatly increased, but the incidence of postnatal physical and mental retardation has gradually emerged. Early dry