目的 总结早产儿肠外营养相关并发症预防的最佳证据，为临床实践提供循证依据。 方法 系统检索国内外指南网、专业学会网站和数据库中有关早产儿肠外营养相关并发症预防的临床决策、指南、专家共识、证据总结和系统评价，检索期限为建库到2022年10月。 结果 最终纳入11篇文献，包括1篇临床决策、8篇指南、2篇专家共识。从代谢性并发症预防、感染性并发症预防、机械性并发症预防等3个主题中总结出24条最佳证据。 结论 早产儿肠外营养相关并发症预防的最佳证据可为临床证据转化提供理论依据，建议护理人员结合临床实际，审慎使用转化证据。

Objective To summarize the best evidence of the prevention for complications associated with parenteral nutrition among preterm infants,so as to provide evidence-based references for clinical practice. Methods The domestic and foreign guideline networks,professional association websites,and databases were systematically searched for those clinical decisions,guidelines,expert consensuses,evidence summary and systematic reviews on the prevention for complications associated with parenteral nutrition among preterm infants.The retrieval time frame was from inception to October,2022. Results A total of 11 articles were involved,including 1 clinical decision,8 guidelines,and 2 expert consensuses.Twenty-four pieces of best evidence were summarized from 3 themes,which were preventions for metabolic complications,infectious complications,and mechanical complications. Conclusions The best evidence of the prevention for complications associated with parenteral nutrition among preterm infants can provide theoretical basis for the translation of clinical evidence.Nurses should translate the evidence prudently considering clinical practice.

R473.72

2022年四川省心理健康教育研究中心项目（XLJKJY2203A）