{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T15:16:22Z","timestamp":1787930182924,"version":"build-2784847793"},"reference-count":77,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T00:00:00Z","timestamp":1787875200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Nutr."],"abstract":"<jats:p>In colorectal cancer patients, malnutrition, sarcopenia, and even cachexia are highly prevalent (24\u201365%); those patients who undergo surgery with a compromised nutritional status tend to have more complications (OR: 1.84; 1.35\u20132.48). Therefore, proper nutritional management before surgery is essential. The principal therapeutic option for patients with colorectal cancer is surgery; in this way, these patients are vulnerable to a worse prognosis if a preoperative nutritional intervention is not considered. An individualized, well-designed nutrition care plan, as part of a multimodal therapeutic approach, that promotes adequate energy and protein intake to counteract catabolism and preserve muscle mass can help improve postoperative outcomes. Other strategies that may be useful for patients undergoing colorectal cancer surgery are immunonutrition and micronutrient supplementation. The combined use of certain immunonutrients, such as polyunsaturated fatty acids, branched-chain amino acids, arginine, glutamine, and nucleotides, has been suggested in some studies to help reduce surgery-related complications and infections, promote better wound healing, and shorten hospital stay after colorectal surgery. Certain micronutrients, such as vitamin C and zinc, can enhance the clinical effects of prior nutritional interventions and promote postoperative recovery. Nevertheless, limitations and mixed results in the current evidence preclude recommending these strategies in routine clinical practice. An individualized approach for each patient should be considered to improve surgical outcomes through nutrition.<\/jats:p>","DOI":"10.3389\/fnut.2026.1922189","type":"journal-article","created":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T14:16:51Z","timestamp":1787926611000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Preoperative nutrition in colorectal cancer surgery: mini review"],"prefix":"10.3389","volume":"13","author":[{"given":"Fernando","family":"Estrada-Moya","sequence":"first","affiliation":[{"name":"Servicio de Nutriolog\u00eda Cl\u00ednica, Instituto Nacional de Ciencias M\u00e9dicas y Nutrici\u00f3n Salvador Zubir\u00e1n","place":["Ciudad de M\u00e9xico, Mexico"]},{"name":"Secci\u00f3n de Estudios de Posgrado e Investigaci\u00f3n, Instituto Polit\u00e9cnico Nacional \u201cEscuela Superior de Medicina\u201d","place":["Ciudad de M\u00e9xico, 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Mexico"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura A.","family":"Vel\u00e1zquez-Villegas","sequence":"additional","affiliation":[{"name":"Departamiento de Fisiolog\u00eda de la Nutrici\u00f3n, Instituto Nacional de Ciencias M\u00e9dicas y Nutrici\u00f3n Salvador Zubir\u00e1n","place":["Ciudad de M\u00e9xico, Mexico"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roc\u00edo","family":"Guizar-Heredia","sequence":"additional","affiliation":[{"name":"Departamiento de Fisiolog\u00eda de la Nutrici\u00f3n, Instituto Nacional de Ciencias M\u00e9dicas y Nutrici\u00f3n Salvador Zubir\u00e1n","place":["Ciudad de M\u00e9xico, Mexico"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Guevara-Pedraza","sequence":"additional","affiliation":[{"name":"Facultad de Ciencias de la Salud, Universidad An\u00e1huac Campus Sur","place":["Ciudad de M\u00e9xico, 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