肠外营养(PN)是不能通过口或肠道为患儿提供足够营养时,所采取的一项挽救生命的治疗措施,可预防或改善营养不良,并保证患儿的生长发育需要。相比经口喂养或肠内营养,PN花费多,并可引起严重并发症。因此,需要严密监测,建立多学科的营养支持团队,避免所提供的营养不均衡或营养过度,严格进行无菌操作,以减少导管相关感染,有可能的情况下尽可能强化肠内营养,减少PN的量和时间。 Parenteral nutrition (PN) is a life-saving treatment that can not be provided to children with adequate nutrition through the mouth or intestine to prevent or ameliorate malnutrition and ensure the child’s growth and development needs. Compared to oral or enteral nutrition, PN spends more and can cause serious complications. Therefore, close monitoring and establishment of a multidisciplinary nutrition support team are required to avoid the imbalance of nutrition or over-nutrition provided and to strictly carry out aseptic procedures to reduce catheter-related infections, to maximize enteral nutrition if possible and to reduce The amount and time of PN.