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Liver trauma diagnosis with contrast-enhanced ultrasound: interobserver variability between radiologist and emergency physician in an animal study.
- Source :
-
The American journal of emergency medicine [Am J Emerg Med] 2012 Sep; Vol. 30 (7), pp. 1229-34. Date of Electronic Publication: 2011 Aug 25. - Publication Year :
- 2012
-
Abstract
- Objective: The purpose of our study was to evaluate interobserver variability between the radiologist and emergency physician in detecting blunt liver trauma by conventional and contrast-enhanced ultrasound (US) (CEUS).<br />Methods: We created 20 sites of blunt liver trauma in rabbits and performed conventional US and CEUS on the animals. A radiologist and an emergency physician independently evaluated the degree of liver trauma. Using contrast-enhanced computed tomography as a reference standard, the diagnostic performance of US and CEUS was calculated. Interobserver variability between radiologist and emergency physician was compared before and after contrast enhancement of US.<br />Results: Overall sensitivity and specificity for detecting liver trauma on conventional US, regardless of the degree of trauma, were 61.1% and 100% for the radiologist and 50% and 100% for the emergency physician. On CEUS, the sensitivity and specificity were 94.4% and 100% for both the radiologist and emergency physician. The interobserver agreement between emergency physician and radiologist increased from 0.867 to 0.955 after contrast enhancement on US.<br />Conclusions: Contrast-enhanced US may permit a more accurate diagnosis for liver trauma than conventional US by both the radiologist and emergency physician. Contrast-enhanced US may also reduce interobserver variability for this diagnosis.<br /> (Copyright © 2012 Elsevier Inc. All rights reserved.)
Details
- Language :
- English
- ISSN :
- 1532-8171
- Volume :
- 30
- Issue :
- 7
- Database :
- MEDLINE
- Journal :
- The American journal of emergency medicine
- Publication Type :
- Academic Journal
- Accession number :
- 21871760
- Full Text :
- https://doi.org/10.1016/j.ajem.2011.06.012