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KMID : 0385920150260010029
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Journal of the Korean Society of Emergency Medicine
2015 Volume.26 No. 1 p.29 ~ p.38
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The Correlation between Stool Exams and Abdominal Computed Tomography (CT) Findings in the Patients with Acute Diarrhea Visiting Emergency Department (ED)
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Ha Min-Seok
Kwack Chi-Hwan
Kang Jun-Ho
Han Kyu-Hong
Min Jin-Hong
Park Jung-Soo
Lee Suk-Woo
Kim Hoon
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Abstract
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Purpose: Stool exams are a useful tool for the early presumptive diagnosis of infectious bacterial diarrhea in the Emergency Department (ED). CT scans are often used to increase the physician`s level of certainty and to facilitate patient triage by identifying the source of pain in most patients with an acute abdomen in the ED. This study was designed to investigate the correlation between stool exams and abdomi-nal CT in patients with acute diarrhea visiting the ED.
Methods: We conducted a retrospective study in the emer-gency department of a national university hospital from January 1, 2012 to June 30, 2013. The subjects consisted of 156 patients with acute diarrhea and abdominal pain who had stool exam results and abdominal CT findings. We divided the patients into three groups according to the stool exam results. Simultaneously, we evaluated their CT find-ings of the bowel and adjacent structures.
Results: A total of 156 patients were enrolled. Frequency of abnormal CT findings showed statistically significant corre-lation with stool exams (p-value <0.001). Abnormal CT find-ings increased as WBCs and RBCs in stool increased (p-value <0.001).
Conclusion: The stool exam was a statistically significant predictive variable in indirectly determining the severity of acute diarrhea and it showed correlation with the frequency of abnormal CT findings. It is suggested that stool exams can be used as a susceptible marker for predicting the probability of severe infectious colitis, and for making an early decision regarding close medical attention.
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KEYWORD
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Acute diarrhea, Stool WBC, Stool RBC, Abdominal computed tomography
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