• 1
    Mattei P, Rombeau JL. Review of the pathophysiology and management of postoperative ileus. World J Surg 2006;30:138291.
  • 2
    Behm B, Stollman N. Postoperative ileus; etiologies and interventions. Clin Gastroenterol Hepatol 2003;1:7180.
  • 3
    Doorly MG, Senagore AJ. Pathogenesis and clinical and economic consequences of postoperative ileus. Surg Clin North Am 2012;92:25972.
  • 4
    Izbizky GH, Minig L, Sebastiani MA, Otaño L. The effect of early versus delayed post-caesarean feeding on women's satisfaction: a randomised controlled trial. BJOG 2008;115:3328.
  • 5
    Kovavisarach E, Atthakorn M. Early versus delayed oral feeding after cesarean delivery. Int J Gynaecol Obstet 2005;90:314.
  • 6
    Kafali H, Duvan CI, Gözdemir E, Simavli S, Onaran Y, Keskin E. Influence of gum chewing on postoperative bowel activity after cesarean section. Gynecol Obstet Invest 2010;69:847.
  • 7
    Schuster R, Grewal N, Greaney GC, Waxman K. Gum chewing reduces ileus after elective open sigmoid colectomy. Arch Surg 2006;141:1746.
  • 8
    Hirayama I, Suzuki M, Ide M, Asao T, Kuwano H. Gum-chewing stimulates bowel motility after surgery for colorectal cancer. Hepatogastroenterology 2006;53:2068.
  • 9
    Choi H, Kang SH, Yoon DK. Chewing gum has a stimulatory effect on bowel motility in patients after open or robotic radical cystectomy for bladder cancer: a prospective randomized comparative study. Urology 2011;77:88490.
  • 10
    Purkayastha S. Tilney HS, Darzi AW, Tekkis PP. Meta-analysis of randomized studies evaluating chewing gum to enhance postoperative recovery following colectomy. Arch Surg 2008;143:78893.
  • 11
    Satij B, Cohen SA. Evaluation of gum chewing on the return of bowel function in cesarean-delivery patients. Obstet Gynecol 2006;4 (Suppl):10s.
  • 12
    de Castro SM, van den Esschert JW, van Heek NT, Dalhuisen S, Koelemay MJ, Busch OR, et al. A systematic review of the efficacy of gum chewing for the amelioration of postoperative ileus. Dig Surg 2008;25:3945.
  • 13
    Quah HM, Samad A, Neathey AJ, Hay DJ, Maw A. Does gum chewing reduce postoperative ileus following open colectomy for left sided colon and rectal cancer? A prospective randomized controlled trial. Colorectal Dis 2006;8:6470.
  • 14
    Matros E, Rocha F, Zinner M, Wang J, Ashley S, Breen E, et al. Does gum chewing ameliorate postoperative ileus? Results of a prospective, randomized, placebo-controlled trial. J Am Coll Surg 2006;202:7738.
  • 15
    Moher D, Liberati A, Tetzlaff J, Altman DG. Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. Ann Intern Med 2009;151:2649.
  • 16
    Higgins JPT, Altman DG. Chapter 8: Assessing risk of bias in included studies. In: Higgins JPT, Green S, editors. Cochrane Hand-book for Systematic Reviews of Interventions. Chichester: The Cochrane Collaboration, John Wiley & Sons; 2008. pp. 187242.
  • 17
    DerSimonian R, Laird N. Meta-analysis in clinical trials. Control Clin Trials 1986;7:17788.
  • 18
    Dehcheshmeh SF, Salehian T, Gangi F, Beigi M. The effect of chewing sugar free gum after elective cesarean-delivery on return of bowel function in primiparous women. Qom Univ Med Sci J 2011;4:1620.
  • 19
    Ledari FM, Barat S, Delavar MA, Banihosini SZ, Khafri S. Sugar-free gum chewing reduces ileus after cesarean section in nulliparous women: a randomized clinical trial. Iran Red Crescent Med J 2013;15:3304.
  • 20
    Ledari FM, Barat S, Amiri FN, Delavar MA, Banihosseini SZ, Khafri S. Effect of gum chewing after cesarean-delivery on return of bowel function. J Babol Univ Med Sci 2012;14:204.
  • 21
    Zamora BBB, Kalalo RE. Gum chewing versus traditional feeding on the early return of bowel motility after cesarean delivery: a prospective randomized controlled trial. Proceedings of the 20th FIGO World Congress of Gynecology and Obstetrics; 2012 October 7–12; Rome, Italy. Amsterdam: Elsevier Science B.V.; 2012. 119 (pp S525).
  • 22
    Shang H, Yang Y, Tong X, Zhang L, Fang A, Hong L. Gum chewing slightly enhances early recovery from post-operative ileus after cesarean section: results of a prospective, randomized, controlled trial. Am J Perinatol 2010;27:38791.
  • 23
    Abd-El-Maeboud KH, Ibrahim MI, Shalaby DA, Fikry MF. Gum chewing stimulates early return of bowel motility after caesarean section. BJOG 2009;116:13349.
  • 24
    Ledari FM, Barat S, Delavar MA. Chewing gums has stimulatory effects on bowel function in patients undergoing cesarean section: a randomized controlled trial. Bosn J Basic Med Sci 2012;12:2658.
  • 25
    Jakkaew B, Charoenkwan K. Effects of gum chewing on recovery of bowel function following cesarean section: a randomized controlled trial. Arch Gynecol Obstet 2013;288:25560.
  • 26
    Hasler WL. Pharmacotherapy for intestinal motor and sensory disorders. Gastroenterol Clin North Am 2003;32:70732.
  • 27
    Stern RM, Crawford HE, Stewart WR, Vasey MW, Koch KL. Sham feeding. Cephalic vagal influences on gastric myoelectric activity. Dig Dis Sci 1989;34:5217.
  • 28
    Soffer EE, Adrian TE. Effect of meal composition and sham feeding on duodenojejunal motility in humans. Dig Dis Sci 1992;37:100914.
  • 29
    Yin Z, Sun J, Liu T, Zhu Y, Peng S, Wang J. Gum chewing: another simple potential method for more rapid improvement of postoperative gastrointestinal function. Digestion 2013;87:6774.
  • 30
    Li S, Liu Y, Peng Q, Xie L, Wang J, Qin X. Chewing gum reduces postoperative ileus following abdominal surgery: a meta-analysis of 17 randomized controlled trials. J Gastroenterol Hepatol 2013;28:112232.