Transfontanellar contrast enhanced ultrasound in infants: Initial experience
2014
Summary Background and purpose Transfontanellar contrast enhanced ultrasound (TCEUS) in infants with neurological diseases has not been previously reported. Thus, the objective of our study was to describe the imaging findings of transfontanellar contrast enhanced ultrasound (TCEUS) performed in various neurological conditions in infants and to compare the findings with non-enhanced transfontanellar ultrasound (TFUS) and MRI. Methods Local institutional review board approval was obtained and, because of the need to catheterize children for contrast media administration, written informed consent of parents was obtained prior to all performed TCEUS. Twelve infants who underwent 12 TCEUS were included in this study from June 2009 to June 2012. Second generation contrast material was used (Bracco). TCEUS imaging findings were compared with those of conventional transfontanellar ultrasound in each case and with MRI. Results In 10 out of the 12 performed examinations, TCEUS showed abnormalities which were not depicted on non-enhanced TFUS. Accurate diagnosis of TCEUS compared with MRI was found in 10 out of 12 initial TCEUS. No adverse events during or immediately after contrast media injection occurred. Conclusion TCEUS appears to be a potential bedside accessible non-ionizing alternative imaging modality in the assessment of neonatal brain injury. It provides additional information when compared to non-enhanced transfontanellar US, especially in the field of brain perfusion assessment. Moreover, the information provided seems to be accurate when compared with those of MRI.
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