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RADBOOK 2015 15 COMPUTED TOMOGRAPHY ◼ RADBOOK 2015 15 COMPUTED TOMOGRAPHY ◼ mouth Hospital, including those with atrial fibrillation and high body mass index. The radiation dose of around 1mSv for an unse- lected population is amongst the lowest ever recorded for cardiac CT. ”I would have been happy with a 20 per- cent reduction in radiation dose compared to the previous survey,” Dr. Bull reported when presenting the BSCI findings. ”In fact there was a 40 percent reduction in dose. This is extraordinary as the Aquilion ONE already stood out as a low-dose scanner in the previous survey.” Better imaging with high contrast Adaptive Iterative Dose Reduction in 3D (AIDR 3D) is integrated in the Aquilion ViSION. It minimizes image noise thereby enabling radiologists to lower the radiation dose while maintaining high diagnostic image quality. In combination with the wide detec- tor array of 16 cm, the Aquilion ViSION provides volumetric scanning with entire organs being captured with perfect tem- poral uniformity and completely free from z-axis misregistration at a rotation speed of 0.275 seconds. Dr. Bull summarizes “The image qual- ity has improved even further due to the combination of the PURE ViSION detector and AIDR 3D processing. We are seeing better images at 40 percent less radiation dose. With Aquilion ONE we can scan patients we wouldn’t even consider scanning on a conventional scanner.” 4D imaging and more enhance- ments With the Aquilion ONE CT scanner time can be added as the fourth dimension paving the way for high-quality dynamic volume applications, or 4D dynamic volume imag- ing. Each individual set of data, acquired in a dynamic volume, shows an exact moment in time, or the exact phase of con- trast enhancement. Also unique to Toshiba, Dr. Bull underlines, is the ability to change the table speed on the fly with Variable Helical Pitch (vHP). This facilitates for exam- ple aTAVI scan as it saves time and contrast dose, while reducing radiation dose for the patient. ”We have no problems with patients unable to lie flat or having ridiculously high heart rates or even atrial fibrillation. These can be scanned, perfectly showing coro- nary arteries at low dose,” he notes. ”This really works.We can scan anyone.” www.toshiba-medical.eu Toshiba’s revolutionary PURE ViSION detector makes CT imaging safer for all patients. Deliv- ering up to 40 % increased efficiency it enables superior imaging with significantly reduced radiation dose and iodine. RADBOOK 201515 RADBOOK 201515