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Reversal of Flow in the Pulmonary Artery. High Pitch Spiral as a new method for dose reduction in functional imaging
14 May 2012
Gilbert E. Boswell, Michael Cathey, Richard Campin, Keshav Nayak
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Assessment of an iterative reconstruction algorithm (SAFIRE) on image quality in pediatric cardiac CT datasets
30 April 2012
B. Kelly Han, Katharine L.R. Grant, Ross Garberich, Martin Sedlmair, Jana Lindberg, John R. Lesser
Background: Pediatric cardiac patients often undergo repeat diagnostic testing, resulting in relatively high cumulative medical radiation exposure. Low-dose CT scanning techniques used to decrease rad...
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Low-dose, wide-detector array thoracic aortic CT angiography using an iterative reconstruction technique results in improved image quality with lower noise and fewer artifacts
30 April 2012
Prabhakar Rajiah, Paul Schoenhagen, Dhruv Mehta, Thomas Ivanc, Michael Lieber, Kassem Soufan, Milind Desai, Scott D. Flamm, Sandra Halliburton
Background: Iterative reconstruction techniques (IRTs) may improve image quality for low-dose imaging compared with filtered back projection (FBP) reconstruction. Objectives: We compared the results o...
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Effect of image quality on diagnostic accuracy of noninvasive fractional flow reserve: Results from the prospective multicenter international DISCOVER-FLOW study
30 April 2012
James K. Min, Bon-Kwon Koo, Andrejs Erglis, Joon-Hyung Doh, David V. Daniels, Sanda Jegere, Hyo-Soo Kim, Allison Dunning, Tony Defrance, Jonathan Leipsic
Background: Fractional flow reserve calculated from coronary CT (FFRCT) is a novel method for determining lesion-specific ischemia. Objective: To assess the effect of CT quality on accuracy of FFRCT, ...
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Fundamentals and applications of magnetic particle imaging
30 April 2012
Jörn Borgert, J.D. Schmidt, I. Schmale, J. Rahmer, C. Bontus, B. Gleich, B. David, R. Eckart, O. Woywode, J. Weizenecker, J. Schnorr, M. Taupitz, J. Haegele, F.M. Vogt, J. Barkhausen
Abstract: Magnetic particle imaging (MPI) is a new medical imaging technique which performs a direct measurement of magnetic nanoparticles, also known as superparamagnetic iron oxide. MPI can acquire ...
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