营养支持是早产儿救治成功与否的关键之一,如何解决早产儿不成熟的胃肠道功能与高代谢需求不相适应的矛盾,做到既能满足早产儿的营养供给,又能促进胃肠道的发育,提高生存率和生存质量,是新生儿领域研究的重点。出生体重小于1500g的极低出生体重儿(VLBWI)的临床问题较多,病死率 Nutritional support is one of the keys to successful treatment of preterm infants. How to solve the incompatibility between immature gastrointestinal function and high metabolic needs in premature infants so as to meet the nutritional supply of premature infants and promote gastric Intestinal development, improve survival and quality of life, is the focus of research in the field of newborns. Very low birth weight infants weighing less than 1 500 g (VLBWI) have more clinical problems and mortality