3Fenyo G, Boijsen M, Enochsson L, et al. Acute abdomen calls for considerable care resources. Analysis of 3727 in-patients in the county of Stockholm during the first quarter of 1995. Lakartidningen,2000,97(37) :4008.
4Iarumov N, Viiachki I. Acute surgical abdomen in middle and old age. Khirurgiia (Sofiia) ,1998,51(4) :51.
5Kizer KW and Vassar MJ. Emergency department diagnosis of abdominal disorders in the elderly. Am J Emerg Med,1998,16(4) :357.
6Miettinen P, Pasanen P, Salonen A,et al. The outcome of elderly patients after operation for acute abdomen. Ann Chir Gynaecol, 1996,85(1) :11.
7Adedeji OA, McAdam WA. Murphy's sign, acute cholecystitis and elderly people. J R Coll Surg Edinb, 1996,41(2) :88.
8Linthoudt H, Filez L and Pelemans W. Acute intestinal obstruction in an elderly patient. Tijdschr Gerontol Geriatr,1996,27(6) :255.
3Bonjer HI, Hazebroek EJ, Kazemier G, et al. Open versus closed establishment of pneumoperitoneum in laparoscopic surgery [J]. Br J Surg, 1997,84:599-602.
4Di Carlo I, Toro A, Sparatore F, et al. Emergency gastric ulcer complications in elderly. Factors affecting the morbidity and mortality in relation to therapeutic approaches [J ]. Minerva Chir, 2006,61 : 325-332.
5Li X, Zhang J, Sang L, et al. Laparoscopic versus conventional appendectomy-a meta-analysis of randomized controlled trials [J]. BMC Gastroenterol, 2010,10: 129.
6Navez B, Navez J. Laparoscopy in the acute abdomen[J]. Best Pract Res Clin Gastroenterol, 2014,28:3-17.
7PACE participants, Audisio RA, Pope D, et al. Shall we operate? Preoperative assessment in elderly cancer patients (PACE) can help. A SlOG surgical task force prospective study [J]. Crit Rev Oncol Hematol, 2008,65:156-163.
8Herbert GS, Steele SR. Acute and chronic mesenteric ischemia [J]. Surg Clin North Am, 2007,87: 1115-1134.
9Gupta PK, Natarajan B, Gupta H, et al. Morbidity and mortality after bowel resection for acute mesenteric ischemia[J]. Surgery, 2011,150 : 779-787.