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(®)) Society Recommendations: 2018. World J Surg. 2019;43(3):659-95.
2. Jesus EC, Karliczek A, Matos D, Castro AA, Atallah AN. Prophylactic anastomotic drainage for colorectal surgery. Cochrane Database Syst Rev. 2004(4):Cd002100.
3. Guerra F, Giuliani G, Coletta D, Boni M, Rondelli F, Bianchi PP, et al. A Meta-Analysis of Randomized Controlled Trials on the Use of Suction Drains Following Rectal Surgery. Dig Surg. 2018;35(6):482-90.
4. Poon CM, Leong HT. Abdominal drain causing early small bowel obstruction after laparoscopic colectomy. Jsls. 2009;13(4):625-7.
5. Menahem B, Vallois A, Alves A, Lubrano J. Prophylactic pelvic drainage after rectal resection with extraperitoneal anastomosis: is it worthwhile? A meta-analysis of randomized controlled trials. Int J Colorectal Dis. 2017;32(11):1531-8.
6. Bretagnol F, Slim K, Faucheron JL. [Anterior resection with low colorectal anastomosis. To drain or not?]. Ann Chir. 2005;130(5):336-9.
7. Zhang HY, Zhao CL, Xie J, Ye YW, Sun JF, Ding ZH, et al. To drain or not to drain in colorectal anastomosis: a meta-analysis. Int J Colorectal Dis. 2016;31(5):951-60.
8. Hashiguchi Y, Muro K, Saito Y, Ito Y, Ajioka Y, Hamaguchi T, et al. Japanese Society for Cancer of the Colon and Rectum (JSCCR) guidelines 2019 for the treatment of colorectal cancer. Int J Clin Oncol. 2020;25(1):1-42.
9. Dindo D, Demartines N, Clavien PA. Classification of surgical complications: a new proposal with evaluation in a cohort of 6336 patients and results of a survey. Ann Surg. 2004;240(2):205-13.
10. Ho DE, Imai K, King G, Stuart EA. ‘MatchIt’: Nonparametric Preprocessing for Parametric Causal Inference. Journal of Statistical Software. 2011;42(8):1-28.
11. Dougherty SH, Simmons RL. The biology and practice of surgical drains. Part II. Curr Probl Surg. 1992;29(9):633-730.
12. Lennox MS. Prophylactic drainage of colonic anastomoses. Br J Surg. 1984;71(1):10-1.
13. Solaini L, Cavaliere D, Pecchini F, Perna F, Avanzolini A, Vitali G, et al. The use of intra-abdominal drain in minimally invasive right colectomy: a propensity score matched analysis on postoperative outcomes. Int J Colorectal Dis. 2019;34(12):2137-41.
14. Taflampas P, Christodoulakis M, Tsiftsis DD. Anastomotic leakage after low anterior resection for rectal cancer: facts, obscurity, and fiction. Surg Today. 2009;39(3):183-8.
15. Puleo FJ, Mishra N, Hall JF. Use of intra-abdominal drains. Clin Colon Rectal Surg. 2013;26(3):174-7.
16. Yang M, Kidane B, Saettler E. Delayed Small Bowel Obstruction Due to Intra-Abdominal Drain: Case Report and Literature Review. International Surgery. 2018;103(3-4):149-53.
17. Podda M, Di Saverio S, Davies RJ, Atzeni J, Balestra F, Virdis F, et al. Prophylactic intra-abdominal drainage following colorectal anastomoses. A systematic review and meta-analysis of randomized controlled trials. Am J Surg. 2020;219(1):164-74.
18. Urbach DR, Kennedy ED, Cohen MM. Colon and rectal anastomoses do not require routine drainage: a systematic review and meta-analysis. Ann Surg. 1999;229(2):174-80.
19. Petrowsky H, Demartines N, Rousson V, Clavien PA. Evidence-based value of prophylactic drainage in gastrointestinal surgery: a systematic review and meta-analyses. Ann Surg. 2004;240(6):1074-84; discussion 84-5.
20. Karliczek A, Jesus EC, Matos D, Castro AA, Atallah AN, Wiggers T. Drainage or nondrainage in elective colorectal anastomosis: a systematic review and meta-analysis. Colorectal Dis. 2006;8(4):259-65.
21. Akiyoshi T, Ueno M, Fukunaga Y, Nagayama S, Fujimoto Y, Konishi T, et al. Incidence of and risk factors for anastomotic leakage after laparoscopic anterior resection with intracorporeal rectal transection and double-stapling technique anastomosis for rectal cancer. Am J Surg. 2011;202(3):259-64.
22. Qu H, Liu Y, Bi DS. Clinical risk factors for anastomotic leakage after laparoscopic anterior resection for rectal cancer: a systematic review and meta-analysis. Surg Endosc. 2015;29(12):3608-17.
23. Rondelli F, Bugiantella W, Vedovati MC, Balzarotti R, Avenia N, Mariani E, et al. To drain or not to drain extraperitoneal colorectal anastomosis? A systematic review and meta-analysis. Colorectal Dis. 2014;16(2):O35-42.