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		17:	Clinical Utility of Carnett and closed eye sign in emergency department.
			著者: Michael A Darracq 雑誌名: Am J Emerg Med. 2020 Dec;38(12):2759.e1-2759.e4. doi: 10.1016/j.ajem.2020.05.077. Epub 2020 May 27. Abstract/Text BACKGROUND: Carnett's sign (CAR) and Closed Eye sign (CE) have been suggested for use in the emergency department setting in the management of abdominal pain. The present study sought to determine the sensitivity/specificity of CAR and CE for pathological CT findings as a primary outcome and for subsequent hospital admission or surgical intervention as secondary outcomes in a community emergency department setting. METHODS: A convenience sample of adults (≥18 y) presenting with acute (<48 h) nontraumatic and non-postoperative abdominal pain determined by treating provider to warrant CT imaging were eligible for enrollment. Treating providers completed a datasheet describing physical examination findings prior to CT imaging. RESULTS: 320 patients were enrolled. 245/320 (76.5%) of enrolled patients had findings on CT Imaging. CAR+ was recorded in 145 and CAR- in 175 patients. CE+ was in 187 and CAR- in 133 patients. Sensitivity and specificity of CAR- for hospital admission was 42.2% and 38.9% and for surgery-44.8% and 43.1%. Sensitivity and specificity of CE- for hospital admission was 28% and 51.6% and for surgery-25.9% and 55%. CAR+ patients were more likely to be admitted or undergo surgery as compared to CAR-. CE+ patients were more likely to be admitted or undergo surgery as compared to CAR-. There were no differences in frequency of pathological CT findings between CAR+ and CAR- or CE+ and CE- patients. CONCLUSION: CAR and CE are neither sufficiently sensitive nor specific for use in the emergency department setting. CT findings were equally likely in CAR+ and CAR- patients. CT Findings were also equally likely in CE+ and CE- patients. Copyright © 2020 Elsevier Inc. All rights reserved. PMID 32507573 Am J Emerg Med. 2020 Dec;38(12):2759.e1-2759.e4. doi: 10.1016/j.ajem.2020.05.077. Epub 2020 May 27.