期刊
RADIOLOGIA MEDICA
卷 114, 期 7, 页码 1080-1093出版社
SPRINGER-VERLAG ITALIA SRL
DOI: 10.1007/s11547-009-0444-0
关键词
Ultrasonography; Contrast agent; Abdominal trauma
Purpose. The aim of the study was to evaluate the diagnostic capability of contrast-enhanced ultrasonography (CEUS) in a large series of patients with blunt abdominal trauma. Materials and methods. We studied 133 haemodynamically stable patients with blunt abdominal trauma. Patients were assessed by ultrasonography (US), CEUS and multislice computed tomography (MSCT) with and without administration of a contrast agent. The study was approved by our hospital ethics committee (clinical study no. 1/2004/O). Results. In the 133 selected patients, CT identified 84 lesions; namely, 48 splenic, 21 hepatic, 13 renal or adrenal and two pancreatic. US identified free fluid or parenchymal alterations in 59/84 patients with positive CT and free fluid in 20/49 patients with negative CT. CEUS detected 81/84 traumatic lesions identified on CT and ruled out traumatic lesions in 48/49 patients with negative CT. The sensitivity, specificity and positive and negative predictive values of US were 70.2%, 59.2%, 74.7% and 53.7%, respectively, whereas those of CEUS were 96.4%, 98%, 98.8% and 94.1%, respectively. Conclusions. Our study showed that CEUS is an accurate technique for evaluating traumatic lesions of solid abdominal organs. The technique is able to detect active bleeding and vascular lesions, avoids exposure to ionising radiation and is useful for monitoring patients undergoing conservative treatment.
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