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ONUR, ÖZGE ECMEL

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ÖZGE ECMEL

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    Diagnostic accuracy of the Extended Focused Abdominal Sonography for Trauma (E-FAST) performed by emergency physicians compared to CT
    (W B SAUNDERS CO-ELSEVIER INC, 2018) DENİZBAŞI ALTINOK, ARZU; Akoglu, Haldun; Celik, Omer Faruk; Celik, Ali; Ergelen, Rabia; Onur, Ozge; Denizbasi, Arzu
    Introduction: The diagnostic accuracy of the FAST exam performed by EM residents were shown to be similar to radiology residents. However, in the last 2 decades, an extended-FAST (E-FAST) protocol including thoracic examination to exclude pneumo- and hemothorax was introduced. The accuracy of emergency physicians (EPs) while performing E-FAST is a less studied area especially in Europe. The aim of this study was to compare the diagnostic accuracy of the E-FAST exam performed by EM residents with the results of CT scan as a gold standard. Methods: This was a prospective, observational, diagnostic accuracy study conducted at the ED of a Level 1 Trauma Center. All consecutive adult multiple trauma patients were eligible, and any patient in whom thoraco-abdominal CT was ordered were recruited. Unstable and unavailable patients were excluded. E-FAST examination was performed by EPs as the index test, and CT examinations reported by a blinded academic radiology faculty was the gold standard. Results: A total of 140 patients were recruited from eligible 144 patients. The final study population was 132 for abdominal and 130 for thorax examinations. In this study, AUC of E-FAST was 0.71 for abdominal free fluid, 0.87 for pneumothorax and 1.00 for pleural effusion. The sensitivity was 42.9% and specificity was 98.4%. The + LR for abdominal free fluid was 26.8 and -LR was 0.58. Conclusion: E FAST examination has an excellent specificity. However, the sensitivity of the test is not high enough to rule out thoraco abdominal injuries in trauma patients when performed by EPs. (C) 2017 Published by Elsevier Inc.