The requisitions of computed tomographic scans of abdomen in patients non-traumatic abdominal pain at Emergency room, Kingnarai hospital.
Keywords:
CT scan, non-traumatic abdominal pain, appropriateness of referralAbstract
This retrospective study aimed to study the characteristics of patients with abdominal pain not caused by trauma who underwent abdominal CT scans, and the factors associated with inappropriate CT scan referrals. Study of patients with non-traumatic abdominal pain who were referred for CT scans from the emergency department of Kingnarai Hospital between January 1, 2019, and December 31, 2023. A total of 382 patients were included. Data on personal information, CT scan results, and diagnoses were collected and analyzed using descriptive statistics and logistic regression.
Results: Among the 382 patients, the majority were female (61.78%) with an average age of 48.94 years. The most common indication for the CT scan was for diagnosis (68.06%), followed by confirming a previous diagnosis (24.61%). The most common symptoms were abdominal pain with fever (27.23%), followed by abdominal pain with fever, nausea, and vomiting (13.61%). The most common initial diagnosis was acute appendicitis (28.27%), followed by cholecystitis, cholelithiasis, or biliary tract disease (12.57%). The accuracy of the CT scan results was more than 80%. Factors associated with inappropriate CT scan referrals included age > 60 years, being referred for treatment (refer-in), and intubation, which were statistically significant (p<0.05).
References
Alshamari M, Norrman E, Geijer M, Jansson K, Geijer H. Diagnostic accuracy of low-dose CT compared with abdominal radiography in non-traumatic acute abdominal pain: prospective study and systematic review. Eur Radiol 2016; 26: 1766-1774.
Kim HY, Park JH, Lee YJ, Lee SS, Jeon JJ, Lee KH. Systematic review and meta-analysis of CT features for differentiating complicated and uncomplicated appendicitis. Radiology 2018; 287: 104-115.
Lev-Cohain N, Sosna J, Meir Y, Dar G, Shussman N, Leichter I, Caplan N, Goldberg SN. Dual energy CT in acute appendicitis: value of low mono-energy. Clin Imaging 2021; 77: 213-218.
Lena Naffaa, Andrew Barakat, Amro Baassiri1, Lamya Ann Atweh. Imaging Acute Non-Traumatic Abdominal Pathologies in Pediatric Patients: A Pictorial Review. Radiology 2019 ; 13(7):29-43
Elbanna KY, Mohammed MF, Chahal T, Khosa F, Ali IT, Berger FH, Nicolaou S. Dual-energy CT in differentiating nonperforated gangrenous appendicitis from uncomplicated appendicitis. Am J Roentgenol 2018; 211: 776-782.
Kollár D, McCartan DP, Bourke M, Cross KS, Dowdall J. Predicting acute appendicitis? A comparison of the Alvarado score, the Appendicitis Inflammatory Response Score and clinical assessment. World J Surg 2015; 39: 104-109.
Rengo M, Bellini D, de Cecco CN, Osimani M, Vecchietti F, Caruso D, et al. The optimal contrast media policy in CT of the liver. Part I: technical note. Acta Radiol 2011;52: 467–72.
Paolantonio P, Rengo M, Ferrari R, Laghi A. Multidetector CT in emergency radiology: acute and generalized non-traumatic abdominal pain. Br J Radiol 2016; 89:12-19.
Gore RM, Miller FH, Pereles FS, Yaghmai V, Berlin JW. Helical CT in the evaluation of the acute abdomen. AJR. 2000;174:901–13.
F. De Muzio, C. Cutolo, V. Granata, R. Fusco, et al. CT study protocol optimization in acute non-traumatic abdominal settings. European Review for Medical and Pharmacological Sciences. 2022; 26: 860-878
Mazzei MA, Guerrini S, Lucii G, Mazzei FG, Volterrani L. Bowel obstruction and intestinal ischemia: warnings for radiologists. Abdom Radiol (NY) 2020; 45: 887-888.

