References
- Vaira D, Menegatti M, Miglioli M. What is the role of Helicobacter pylori in complicated ulcer disease? Gastroenterology 1997;113:S78–84.
- Irvin TT. Mortality and perforated peptic ulcer: a case for risk stratification in elderly patients. Br J Surg 1989;76:215–18.
- Blomgren LG. Perforated peptic ulcer: long-term results after simple closure in the elderly. World J Surg 1997;21:412–14; discussion 14-5.
- Thomsen RW, Riis A, Christensen S, Norgaard M, Sorensen HT. Diabetes and 30-day mortality from peptic ulcer bleeding and perforation: a Danish population-based cohort study. Diabetes Care 2006;29:805–10.
- Moller MH, Adamsen S, Wojdemann M, Moller AM. Perforated peptic ulcer: how to improve outcome? Scand J Gastroenterol 2009;44:15–22.
- Boey J, Wong J, Ong GB. Bacteria and septic complications in patients with perforated duodenal ulcers. Am J Surg 1982;143:635–9.
- Fong IW. Septic complications of perforated peptic ulcer. Can J Surg 1983;26:370–2.
- Moller MH, Adamsen S, Thomsen RW, Moller AM; The PULP trial group. Multicentre trial of a perioperative protocol to reduce mortality in patients with peptic ulcer perforation. Br J Surg 2011;98:802–10.
- Dellinger RP, Levy MM, Carlet JM, Bion J, Parker MM, Jaeschke R, Surviving Sepsis Campaign: international guidelines for management of severe sepsis and septic shock: 2008. Crit Care Med 2008;36:296–327.
- von Elm E, Altman DG, Egger M, Pocock SJ, Gotzsche PC, Vandenbroucke JP. Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies. BMJ 2007;335:806–8.
- Pedersen CB. The Danish civil registration system. Scand J Public Health 2011;39:22–5.
- Schafer JL. Multiple imputation: a primer. Stat Methods Med Res 1999;8:3–15.
- Schafer JL, Graham JW. Missing data: our view of the state of the art. Psychol Methods 2002;7:147–77.
- Findlay GP. A review of the peri-operative care of surgical patients. A report by the National Confidential Enquiry into Patient Outcome and Death (NCEPOD), 2011.
- Rivers E, Nguyen B, Havstad S, Ressler J, Muzzin A, Knoblich B, Early goal-directed therapy in the treatment of severe sepsis and septic shock. N Engl J Med 2001;345:1368–77.
- Corcoran T, Rhodes JE, Clarke S, Myles PS, Ho KM. Perioperative fluid management strategies in major surgery: a stratified meta-analysis. Anesth Analg 2012;114:640–51.
- Boyd JH, Forbes J, Nakada TA, Walley KR, Russell JA. Fluid resuscitation in septic shock: a positive fluid balance and elevated central venous pressure are associated with increased mortality. Crit Care Med 2011;39:259–65.
- Wiedemann HP, Wheeler AP, Bernard GR, Thompson BT, Hayden D, deBoisblanc B, Comparison of two fluid-management strategies in acute lung injury. N Engl J Med 2006;354:2564–75.
- Hamilton MA, Cecconi M, Rhodes A. A systematic review and meta-analysis on the use of preemptive hemodynamic intervention to improve postoperative outcomes in moderate and high-risk surgical patients. Anesth Analg 2011;112:1392–402.
- Khuri SF, Henderson WG, DePalma RG, Mosca C, Healey NA, Kumbhani DJ. Determinants of long-term survival after major surgery and the adverse effect of postoperative complications. Ann Surg 2005;242:326–41; discussion 41-3.