Parenteral nutrition versus enteral nutrition after gastric cancer surgery: a systematic review and meta-analysis of randomized controlled trials

Compared with EN, PN could shorten the hospital stay, increase the prealbumin levels, and decrease the occurrence of infectious complications, while albumin levels were higher with EN than with PN. However, given the moderate risk of bias and heterogeneity among included studies, further high-quality RCTs are needed to determine the optimal nutritional support strategy in this population.