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- W2307887323 abstract "<h3>BACKGROUND AND PURPOSE:</h3> With >473,000 annual emergency department visits for children with traumatic brain injuries in the United States, the risk of ionizing radiation exposure during CT examinations is a real concern. The purpose of this study was to assess the validity of rapid MR imaging to replace CT in the follow-up imaging of patients with head trauma. <h3>MATERIALS AND METHODS:</h3> A retrospective review of 103 pediatric patients who underwent initial head CT and subsequent follow-up rapid MR imaging between January 2010 and July 2013 was performed. Patients had minor head injuries (Glasgow Coma Scale, >13) that required imaging. Initial head CT was performed, with follow-up rapid MR imaging completed within 48 hours. A board-certified neuroradiologist, blinded to patient information and scan parameters, then independently interpreted the randomized cases. <h3>RESULTS:</h3> There was almost perfect agreement in the ability to detect extra-axial hemorrhage on rapid MR imaging and CT (κ = 0.84, <i>P</i> < .001). Evaluation of hemorrhagic contusion/intraparenchymal hemorrhage demonstrated a moderate level of agreement between MR imaging and CT (κ = 0.61, <i>P</i> < .001). The ability of MR imaging to detect a skull fracture also showed a substantial level of agreement with CT (κ = 0.71, <i>P</i> < .001). Detection of diffuse axonal injury demonstrated a slight level of agreement between MR imaging and CT (κ = 0.154, <i>P</i> = .04). However, the overall predictive agreement for the detection of an axonal injury was 91%. <h3>CONCLUSIONS:</h3> Rapid MR imaging is a valid technique for detecting traumatic cranial injuries and an adequate examination for follow-up imaging in lieu of repeat CT." @default.
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- W2307887323 date "2015-09-17" @default.
- W2307887323 modified "2023-10-08" @default.
- W2307887323 title "Minimizing Radiation Exposure in Evaluation of Pediatric Head Trauma: Use of Rapid MR Imaging" @default.
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- W2307887323 doi "https://doi.org/10.3174/ajnr.a4464" @default.
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