姜美玉,吴亚臻,常晓艳

早产儿定义为胎龄不足37周的新生儿群体，因其在母体内的孕育时间较短未能充分获取必要的营养供给，导致其发育和生长相较于足月婴儿显得滞后。此外，他们普遍存在消化系统发育不完善等严重问题。因此，早产儿生后喂养及营养追赶成为新生儿科医生需关注的一大难题。早产儿的生长和发育过程中，肠内营养作为一种主要的营养支持方式，发挥着至关重要的作用，对早产儿的近期及远期健康结局均产生深远影响。然而，其实际应用过程存在诸多疑惑，涉及诸多的选择。本文就肠内营养在早产儿中应用的研究进展做一综述，以供参考。

早产儿；肠内营养；喂养；生长发育

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