{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T23:49:58Z","timestamp":1790034598949,"version":"4.0.1"},"reference-count":141,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2025,2,2]],"date-time":"2025-02-02T00:00:00Z","timestamp":1738454400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Universidad UTE"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nutrients"],"abstract":"<jats:p>Bariatric surgery has become the preferred treatment for individuals with morbid obesity. Nutrition is key in optimizing surgical outcomes by reducing risks and enhancing recovery. Preoperative strategies, such as reducing body fat, decreasing liver size, and improving metabolic profiles, have been shown to facilitate safer surgical procedures with fewer complications. This narrative review aims to provide an analysis of the fundamental role of preoperative nutritional management in improving bariatric surgery outcomes, emphasizing the importance of addressing specific nutritional challenges to enhance surgical safety, recovery, and overall health. Preoperative nutritional interventions focus on correcting comorbidities and nutritional deficiencies, particularly hypovitaminosis and micronutrient imbalances, through a multidisciplinary approach involving nutritionists and other healthcare professionals. These interventions not only prepare patients for the physiological demands of surgery but also initiate a period of adaptation to new dietary habits, aiming to improve long-term compliance and mitigate risks such as postoperative weight regain and dumping syndrome. Adopting dietary changes, such as very low-calorie or ketogenic diets 6\u201312 weeks before surgery, enhances adherence to postoperative restrictions and overall surgical success. Future research should focus on developing comprehensive guidelines for preoperative nutritional care to improve patient outcomes globally.<\/jats:p>","DOI":"10.3390\/nu17030566","type":"journal-article","created":{"date-parts":[[2025,2,3]],"date-time":"2025-02-03T09:35:07Z","timestamp":1738575307000},"page":"566","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["Preoperative Nutrition in Bariatric Surgery: A Narrative Review on Enhancing Surgical Success and Patient Outcomes"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3641-1501","authenticated-orcid":false,"given":"Daniel","family":"Simancas-Racines","sequence":"first","affiliation":[{"name":"Centro de Investigaci\u00f3n en Salud P\u00fablica y Epidemiolog\u00eda Cl\u00ednica (CISPEC), Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2228-0141","authenticated-orcid":false,"given":"Evelyn","family":"Frias-Toral","sequence":"additional","affiliation":[{"name":"Escuela de Medicina, Universidad Esp\u00edritu Santo, Samborond\u00f3n 0901952, Ecuador"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5317-8548","authenticated-orcid":false,"given":"Mart\u00edn","family":"Campuzano-Donoso","sequence":"additional","affiliation":[{"name":"Centro de Investigaci\u00f3n en Salud P\u00fablica y Epidemiolog\u00eda Cl\u00ednica (CISPEC), Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8560-859X","authenticated-orcid":false,"given":"Daniel","family":"Ramos-Sarmiento","sequence":"additional","affiliation":[{"name":"Centro de Investigaci\u00f3n en Salud P\u00fablica y Epidemiolog\u00eda Cl\u00ednica (CISPEC), Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4865-6469","authenticated-orcid":false,"given":"Raynier","family":"Zambrano-Villacres","sequence":"additional","affiliation":[{"name":"Escuela de Nutrici\u00f3n y Diet\u00e9tica, Universidad Esp\u00edritu Santo, Samborond\u00f3n 0901952, Ecuador"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-4234-5524","authenticated-orcid":false,"given":"Claudia","family":"Reytor-Gonz\u00e1lez","sequence":"additional","affiliation":[{"name":"Centro de Investigaci\u00f3n en Salud P\u00fablica y Epidemiolog\u00eda Cl\u00ednica (CISPEC), Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3639-6847","authenticated-orcid":false,"given":"Luigi","family":"Schiavo","sequence":"additional","affiliation":[{"name":"Department of Medicine, Surgery and Dentostry \u201cScuola Medica Salernitana\u201d, University of Salerno, 84081 Baronissi, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,2,2]]},"reference":[{"key":"ref_1","unstructured":"World Health Organization (2025, January 20). 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