综上所述，左卡尼汀在预防早产儿胆汁淤积症中具有重要意义，减少胆汁淤积发生率，安全性高，同时提供必需的营养，改善相关指标水平，为预后提供保障。

    参考文献

    [1]宋诗蓉，吴捷.早产儿胃肠外营养相关性胆汁淤积症临床研究[J].国际儿科学杂志，2017，44(4)：286-290.

    [2] Blackmer A B，Warschausky S，Siddiqui S，et al.Preliminary Findings of Long-Term Neurodevelopmental Outcomes of Infants Treated With Intravenous Fat Emulsion Reduction for the Management of Parenteral Nutrition-Associated Cholestasis[J].Journal of Parenteral and Enteral Nutrition ......