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KMID : 0385920130240020224
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Journal of the Korean Society of Emergency Medicine
2013 Volume.24 No. 2 p.224 ~ p.229
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Abdominal Radiography for the Evaluation of Acute Fecal Impaction in Children in Pediatric Emergency Department: Comparison of Three Scoring Methods
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Choi Jung-Ho
Kwak Young-Ho
Kim Do-Kyun
Yi Jin-Hee
Jeong Jin-Hee
Kim Hahn-Bom
Jung Jae-Yun
Suh Dong-Bum
Cheon Jung-Eun
Choi Young-Hun
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Abstract
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Purpose: The aim of this study is to evaluate suitable tools for an approach to acute fecal impaction by comparison of the Leech, Barr and Blethyn scoring methods in pediatric emergency department (PED).
Methods: Children with diagnosis of fecal impaction were included in this study at PED of Seoul National University Hospital. Of them, 50 children were randomly selected and their radiographs were independently scored on two occasions at two weeks intervals using three scoring methods by nine emergency physicians and one radiologist. Interobserver and intra-observer agreement were assessed by calculating intra-class correlation coefficient (ICC). Likert scale was used to assess the easiness and effectiveness of Leech, Barr and Blethyn scoring methods.
Results: (I) Inter-observer agreement: The ICC values of the Leech, Barr and Blethyn were 0.861, 0.887, and 0.821 at first trial and 0.889, 0.891, and 0.827 at second trial, respectively (p<0.001 for all). (II) Intra-observer agreement: Among researchers, the numbers who showed very confident (ICC>0.8) were 5, 6 and 2 in Leech, Barr and Blethyn, respectively. (III) Easiness and effectiveness: The mean Likert scale of the Leech, Barr and Blethyn in easiness was 4.4, 1.4, and 3.9 and in effectiveness, 3.9, 2.9, and 3.2, respectively; it showed significant differences for both attributes (p<0.001, p=0.03, respectively). In post-hoc test, the Leech was assumed to be easier and more effective than Barr (p<0.001). However, no significant differences in easiness and effectiveness were observed between Leech and Blethyn (p=0.37, p=0.14, respectively).
Conclusion: The Leech, Barr and Blethyn have all good inter-observer agreement. The Leech has been found to carry better intra-observer agreement than the other two, and may be one of the easiest and most effective tools for the evaluation of acute fecal impaction in children in PED.
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KEYWORD
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Fecal Impaction, Abdominal Radiography, Children, Observer Variation
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