1 Gustafsson UO, Scott MJ, Hubner M, Nygren J, Demartines N, Francis N et al. Guidelines for Perioperative Care in Elective Colorectal Surgery: Enhanced Recovery After Surgery (ERAS((R))) Society Recommendations: 2018. World J Surg. 2018.
2 Brady M, Kinn S, Stuart P. Preoperative fasting for adults to prevent perioperative complications. Cochrane Database Syst Rev. 2003:CD004423.
3 Practice Guidelines for Preoperative Fasting and the Use of Pharmacologic Agents to Reduce the Risk of Pulmonary Aspiration: Application to Healthy Patients Undergoing Elective Procedures: An Updated Report by the American Society of Anesthesiologists Task Force on Preoperative Fasting and the Use of Pharmacologic Agents to Reduce the Risk of Pulmonary Aspiration. Anesthesiology. 2017;126:376-93.
4 Gianotti L, Biffi R, Sandini M, Marrelli D, Vignali A, Caccialanza R et al. Preoperative Oral Carbohydrate Load Versus Placebo in Major Elective Abdominal Surgery (PROCY): A Randomized, Placebo-controlled, Multicenter, Phase III Trial. Ann Surg. 2018;267:623-30.
5 Lee B, Soh S, Shim JK, Kim HY, Lee H, Kwak YL. Evaluation of preoperative oral carbohydrate administration on insulin resistance in off-pump coronary artery bypass patients: A randomised trial. Eur J Anaesthesiol. 2017;34:740-7.
6 Smith MD, McCall J, Plank L, Herbison GP, Soop M, Nygren J. Preoperative carbohydrate treatment for enhancing recovery after elective surgery. Cochrane Database Syst Rev. 2014:CD009161.
7 Reumkens A, Masclee AA, Winkens B, van Deursen CT, Sanduleanu S, Bakker CM. Prevalence of hypokalemia before and after bowel preparation for colonoscopy in high-risk patients. Gastrointest Endosc. 2017;86:673-9.
8 Zhu Q, Li X, Tan F, Deng Y, Gong C, Hu J, Huang P, Zhou S. Prevalence and risk factors for hypokalemia in patients scheduled for laparoscopic colorectal resection and its association with post-operative recovery. BMC Gastroenterol. 2018;18:152.
9 Charpiat B, Bedouch P, Conort O, Juste M, Rose FX, Roubille R, Allenet B. Pharmacists' interventions on intravenous to oral conversion for potassium. Int J Clin Pharm. 2014;36:513-8.
10 Hausel J, Nygren J, Lagerkranser M, Hellstrom PM, Hammarqvist F, Almstrom C, Lindh A, Thorell A, Ljungqvist O. A carbohydrate-rich drink reduces preoperative discomfort in elective surgery patients. Anesth Analg. 2001;93:1344-50.
11 Taniguchi H, Sasaki T, Fujita H, Takamori M, Kawasaki R, Momiyama Y, Takano O, Shibata T, Goto T. Preoperative fluid and electrolyte management with oral rehydration therapy. J Anesth. 2009;23:222-9.
12 Lobo DN, Macafee DA, Allison SP. How perioperative fluid balance influences postoperative outcomes. Best Pract Res Clin Anaesthesiol. 2006;20:439-55.
13 Oshima S, Aoki Y, Kawasaki Y, Yokoyama J. The effect of oral hydration on the risk or aspiration and hemodynamic stability before the induction of anesthesia: A systematic review and meta-analysis. J Clin Anesth. 2018;49:7-11.
14 Tsutsumi R, Kakuta N, Kadota T, Oyama T, Kume K, Hamaguchi E, Niki N, Tanaka K, Tsutsumi YM. Effects of oral carbohydrate with amino acid solution on the metabolic status of patients in the preoperative period: a randomized, prospective clinical trial. J Anesth. 2016;30:842-9.
15 Kukreja JB, Shi Q, Chang CM, Seif MA, Sterling BM, Chen TY et al. Patient-Reported Outcomes Are Associated With Enhanced Recovery Status in Patients With Bladder Cancer Undergoing Radical Cystectomy. Surg Innov. 2018;25:242-50.
16 Greco A, Rabito G, Pironi M, Bissig M, Parlato S, Andreocchi L et al. Hypokalaemia in hospitalised patients. Swiss Med Wkly. 2016;146:w14320.
17 McSorley ST, Steele CW, McMahon AJ. Meta-analysis of oral antibiotics, in combination with preoperative intravenous antibiotics and mechanical bowel preparation the day before surgery, compared with intravenous antibiotics and mechanical bowel preparation alone to reduce surgical-site infections in elective colorectal surgery. BJS Open. 2018;2:185-94.
18 Chen M, Song X, Chen LZ, Lin ZD, Zhang XL. Comparing Mechanical Bowel Preparation With Both Oral and Systemic Antibiotics Versus Mechanical Bowel Preparation and Systemic Antibiotics Alone for the Prevention of Surgical Site Infection After Elective Colorectal Surgery: A Meta-Analysis of Randomized Controlled Clinical Trials. Dis Colon Rectum. 2016;59:70-8.
19 Kardalas E, Paschou SA, Anagnostis P, Muscogiuri G, Siasos G, Vryonidou A. Hypokalemia: a clinical update. Endocr Connect. 2018;7:R135-R46.
20 Lu G, Yan Q, Huang Y, Zhong Y, Shi P. Prevention and control system of hypokalemia in fast recovery after abdominal surgery. Curr Ther Res Clin Exp. 2013;74:68-73.
21 Boersema GS, van der Laan L, Wijsman JH. A close look at postoperative fluid management and electrolyte disorders after gastrointestinal surgery in a teaching hospital where patients are treated according to the ERAS protocol. Surg Today. 2014;44:2052-7.
22 Asakura A, Mihara T, Goto T. The Effect of Preoperative Oral Carbohydrate or Oral Rehydration Solution on Postoperative Quality of Recovery: A Randomized, Controlled Clinical Trial. PLoS One. 2015;10:e0133309.
23 Mathur S, Plank LD, McCall JL, Shapkov P, McIlroy K, Gillanders LK et al. Randomized controlled trial of preoperative oral carbohydrate treatment in major abdominal surgery. Br J Surg. 2010;97:485-94.
24 Sada F, Krasniqi A, Hamza A, Gecaj-Gashi A, Bicaj B, Kavaja F. A randomized trial of preoperative oral carbohydrates in abdominal surgery. BMC Anesthesiol. 2014;14:93.
25 Taniguchi H, Sasaki T, Fujita H, Kobayashi H, Kawasaki R, Goloubev M et al. Modified ERAS protocol using preoperative oral rehydration therapy: outcomes and issues. J Anesth. 2014;28:143-7.