结直肠癌是最常见的胃肠道恶性肿瘤之一,而结直肠癌患者在围手术期普遍存在营养不良,这将不利于患者的术 后康复。 通过围手术期合理的营养治疗,改善患者营养状况,将有利于改善预后。 本文将对目前围手术期结直肠癌患者营养 治疗的最新研究进展进行比较全面的梳理和归纳,具体内容包括:患者的营养风险筛查、营养评估、营养治疗路径选择、时机 选择、能量及三大产能营养素的确定、营养教育和膳食处方的制定、肠内营养制剂的选择、肠外营养路径与配方的选择等。 同 时,本文针对该研究领域内尚存在的问题进行简要讨论。

Colorectal cancer CRC is one of the most common gastrointestinal malignancies and colorectal cancer patients generally suffer from malnutrition during the perioperative period which will be detrimental to their postoperative recovery. Reasonable nutritional treatment during the perioperative period can improve the patient's nutritional status which will be beneficial for improving prognosis. This article will comprehensively review and summarize the latest research progress in nutritional therapy for perioperative colorectal cancer patients including patient nutritional risk screening nutritional assessment nutritional treatment pathway selection timing determination of energy and macronutrients nutritional education and dietary prescription selection of enteral nutrition supplements and selection of parenteral nutrition route and formula. Meanwhile this article briefly discusses the existing problems in this field