Radiology
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Comparative Study
Reduction of patient motion artifacts in digital subtraction angiography: evaluation of a fast and fully automatic technique.
The performance of an automatic technique for the reduction of patient motion artifacts in digital subtraction angiography was evaluated. Four observers assessed the quality of 104 cerebral digital subtraction angiographic images that were processed by means of both the automatic technique and manual pixel shifting. The automatic technique resulted in better image quality and was considerably less time-consuming.
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To assess the importance of free fluid and to determine the accuracy of screening ultrasonography (US) in female patients of reproductive age with trauma. ⋯ In female patients of reproductive age with trauma, free fluid isolated to the cul-de-sac is likely physiologic; clinical follow-up should suffice. Patients with fluid elsewhere usually have clinically important injury and require further evaluation.
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Comparative Study
Contrast-enhanced MR imaging of coronary arteries: comparison of intra- and extravascular contrast agents in swine.
To compare the efficacy of an intravascular contrast agent, gadomer-17, in improving magnetic resonance (MR) imaging of coronary arteries with that of an extravascular agent, gadopentetate dimeglumine, in pigs. ⋯ Gadomer-17 provided greater and more persistent CNR improvements than did gadopentetate dimeglumine; further evaluation of its utility for coronary imaging in humans is warranted.
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Comparative Study
Acute respiratory distress syndrome caused by pulmonary and extrapulmonary injury: a comparative CT study.
To determine computed tomographic (CT) differences between acute respiratory distress syndrome (ARDS) due to pulmonary injury (ARDS(p)) and extrapulmonary injury (ARDS(ex)). ⋯ The differentiation between ARDS(p) and ARDS(ex) can, with some caveats, be based on whether the CT appearances are typical or atypical of ARDS but not on any individual CT pattern in isolation.