Agency for Healthcare Research and Quality - Healthcare Cost and Utilization Project (H-CUP). Most Frequent Operating Room Procedures Performed in U.S. Hospitals, 2003-2012; 2014, 2017 . Accessed October 23, 2017.
Frazee RC, Elliott VG, Larsen W, et al. Can laparoscopic cholecystectomy be performed with a positive margin at medicaid reimbursement rates? J Am Coll Surg. 2014;218(4):546e551.
Davis PT, Palilonis MA, Miller PR, Hildreth AN. Time to operating room for cholecystitis decreases with a mature emergency general surgery service. Am Surg. 2017;83(1):58e63.
Agrawal N, Singh S, Khichy S. Preoperative prediction of difficult laparoscopic cholecystectomy: a scoring method. Niger J Surg: Off. Publ. Niger. Surg. Res. Soc. 2015;21(2):130e133.
Bourgouin S, Mancini J, Monchal T, et al. How to predict difficult laparoscopic cholecystectomy? Proposal for a simple preoperative scoring system. Am J Surg.2016;212(5):873e881.
Donkervoort SC, Kortram K, Dijksman LM, et al. Anticipation of complications after laparoscopic cholecystectomy: prediction of individual outcome. Surg Endosc. 2016;30(12):5388e5394.
Giger UF, Michel JM, Opitz I, et al. Risk factors for perioperative complications in patients undergoing laparoscopic cholecystectomy: analysis of 22,953 consecutive cases from the Swiss Association of Laparoscopic and Thoracoscopic Surgery database. J Am Coll Surg. 2006;203(5):723e728.
Gupta N, Ranjan G, Arora MP, et al. Validation of a scoring system to predict difficult laparoscopic cholecystectomy. Int J Surg. 2013;11(9):1002e1006.
Kim MS, Kwon HJ, Park HW, et al. Preoperative prediction model for conversion of laparoscopic to open cholecystectomy in patient with acute cholecystitis: based on clinical, laboratory, and CT parameters. J Comput Assist Tomogr. 2014;38(5):727e732.
Lee NW, Collins J, Britt R, Britt LD. Evaluation of preoperative risk factors for converting laparoscopic to open cholecystectomy. Am Surg. 2012;78(8): 831e833.
Lipman JM, Claridge JA, Haridas M, et al. Preoperative findings predict conversion from laparoscopic to open cholecystectomy. Surgery. 2007;142(4): 556e563. discussion 563-555.
Lowndes B, Thiels CA, Habermann EB, et al. Impact of patient factors on operative duration during laparoscopic cholecystectomy: evaluation from the National Surgical Quality Improvement Program database. Am J Surg. 2016;212(2):289e296.
Massoumi RL, Trevino CM, Webb TP. Postoperative complications of laparoscopic cholecystectomy for acute cholecystitis: a comparison to the ACS-NSQIP risk calculator and the Tokyo guidelines. World J Surg. 2017;41(4):935e939.
Nidoni R, Udachan TV, Sasnur P, et al. Predicting difficult laparoscopic cholecystectomy based on clinicoradiological assessment. J Clin Diagn Res: J Clin Diagn Res. 2015;9(12):Pc09ePc12.
Randhawa JS, Pujahari AK. Preoperative prediction of difficult lap chole: a scoring method. Indian J Surg. 2009;71(4):198e201.
Rosen M, Brody F, Ponsky J. Predictive factors for conversion of laparoscopic cholecystectomy. Am J Surg. 2002;184(3):254e258.
Schrenk P, Woisetschlager R, Rieger R, Wayand WU. A diagnostic score to predict the difficulty of a laparoscopic cholecystectomy from preoperative variables. Surg Endosc. 1998;12(2):148e150.