JOURNAL ARTICLE
META-ANALYSIS
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Application of enhanced recovery after gastric cancer surgery: An updated meta-analysis.

AIM: To provide an updated assessment of the safety and efficacy of enhanced recovery after surgery (ERAS) protocols in elective gastric cancer (GC) surgery.

METHODS: PubMed, Medline, EMBASE, World Health Organization International Trial Register, and Cochrane Library were searched up to June 2017 for all available randomized controlled trials (RCTs) comparing ERAS protocols and standard care (SC) in GC surgery. Thirteen RCTs, with a total of 1092 participants, were analyzed in this study, of whom 545 underwent ERAS protocols and 547 received SC treatment.

RESULTS: No significant difference was observed between ERAS and control groups regarding total complications ( P = 0.88), mortality ( P = 0.50) and reoperation ( P = 0.49). The incidence of pulmonary infection was significantly reduced ( P = 0.03) following gastrectomy. However, the readmission rate after GC surgery nearly tripled under ERAS ( P = 0.009). ERAS protocols significantly decreased the length of postoperative hospital stay ( P < 0.00001) and medical costs ( P < 0.00001), and accelerated bowel function recovery, as measured by earlier time to the first flatus ( P = 0.0004) and the first defecation ( P < 0.0001). Moreover, ERAS protocols were associated with a lower level of serum inflammatory response, higher serum albumin, and superior short-term quality of life (QOL).

CONCLUSION: Collectively, ERAS results in accelerated convalescence, reduction of surgical stress and medical costs, improved nutritional status, and better QOL for GC patients. However, high-quality multicenter RCTs with large samples and long-term follow-up are needed to more precisely evaluate ERAS in radical gastrectomy.

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