References
- Gans SL, Pols MA, Stoker J, et al. Guideline for the diagnostic pathway in patients with acute abdominal pain. Dig Surg. 2015;32:23–31.
- deDombal FT. Acute abdominal pain - an O.M.G.E. survey. Scand J Gastroenterol Suppl. 1979;56:29–43.
- Powers RD, Guertler AT. Abdominal pain in the ED: stability and change over 20 years. Am J Emerg Med. 1995;13:301–303.
- Hastings RS, Powers RD. Abdominal pain in the ED: a 35 year retrospective. Am J Emerg Med. 2011;29:711–716.
- Stromberg C, Johansson G, Adolfsson A. Acute abdominal pain: diagnostic impact of immediate CT scanning. World J Surg. 2007;31:2347–2354.
- Cervellin G, Mora R, Ticinesi A, et al. Epidemiology and outcomes of acute abdominal pain in a large urban Emergency Department: retrospective analysis of 5,340 cases. Ann Transl Med. 2016;4:362.
- Miettinen P. Acute abdomen in adults [dissertation]. Kuopio University Hospital, 1993.
- Laméris W, van Randen A, van Es HW, van Heesewijk JP, van Ramshorst B, Bouma WH, et al. Imaging strategies for detection of urgent conditions in patients with acute abdominal pain: diagnostic accuracy study. BMJ. 2009;338:b2431.
- Lehtimäki T, Juvonen P, Valtonen H, et al. Impact of routine contrast-enhanced CT on costs and use of hospital resources in patients with acute abdomen. Results of a randomised clinical trial. Eur Radiol. 2013;23:2538–2545.
- Thornton GC, Goldacre MJ, Goldacre R, et al. Diagnostic outcomes following childhood non-specific abdominal pain: a record-linkage study. Arch Dis Child. 2015;101:305–309.
- Ilves I, Paajanen HE, Herzig KH, et al. Changing incidence of acute appendicitis and nonspecific abdominal pain between 1987 and 2007 in Finland. World J Surg. 2011; 35:731–735.
- Fagerström A, Miettinen P, Valtola J, et al. Long-term outcome of patients with acute non-specific abdominal pain compared to acute appendicitis: Prospective symptom audit after two decades. Acta Chir Belg. 2014; 114:46–51.
- Lindsetmo RO, Stulberg J. Chronic abdominal wall pain-a diagnostic challenge for the surgeon. Am J Surg. 2009; 198:129–134.
- Paajanen H, Julkunen K, Waris H. Laparoscopy in chronic abdominal pain: A prospective nonrandomized long-term follow-up study. J Clin Gastroenterol. 2005; 39:110–114.
- Williams NM, Jackson D, Everson NW, et al. Is the incidence of acute appendicitis really falling?. Ann R Coll Surg Engl. 1998; 80:122–124.
- Ilves I, Miettinen P, Huovinen P, et al. Outpatient antibiotic use and the incidence of acute appendicitis in Finland: a nationwide study from 1990-2008. Surg Infect (Larchmt). 2013;14:352–356.
- Sand J, Välikoski A, Nordback I. Alcohol consumption in the country and hospitalizations for acute alcohol pancreatitis and liver cirrhosis during a 20-year period. Alcohol Alcohol. 2009; 44:321–325.
- Laurell H, Hansson LE, Gunnarsson U. Acute abdominal pain among elderly patients. Gerontology. 2006;52:339–344.
- Ikonen JK, Rokkanen PU, Grönroos P, et al. Presentation and diagnosis of acute abdominal pain in Finland: a computer aided study. Ann Chir Gynaecol. 1983;72:332–336.
- de Dombal FT. The OMGE acute abdominal pain survey. Progress report, 1986. Scand J Gastroenterol Suppl. 1988;144:35–42.
- Irvin TT. Abdominal pain: a surgical audit of 1190 emergency admissions. Br J Surg. 1989;76:1121–1125.
- Fenyö G, Boijsen M, Enochsson L, et al. Akut buksjukdom kräver stora vårdresurser. Analysis av 3727 inlagda patienter första kvartalet 1995 i Stockholms län. Läkärtidningen 2000; 97:4008–4012.
- Laurell H, Hansson LE, Gunnarsson U. Impact of clinical experience and diagnostic performance in patients with acute abdominal pain. Gastroenterol Res Pract. 2015;2015:590346.