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• W2091286269 abstract "After the recently published results from the PROTECTION trial [1], which demonstrate large differences in radiation exposure for cardiovascular indicted CT scans between experienced centers, in this issue Gopal et al. [2] describe potential significant reduction of radiation exposure using prospective triggering and lower tube voltage in selected patients. The editors would also like to announce an upcoming Focus Issue of the journal dedicated to various dose saving strategies. Guest-edited by Frank Rybicki, MD, PhD of Brigham and Women’s in Boston, a series of articles from a group of international experts, will discuss the impact of state-of-the-art scanner technology of all major CT manufactures. Since its introduction to diagnostic medical imaging in the 1970s [3], the use of computed tomography has risen sharply and has allowed more precise diagnosis of a wide range of conditions, including cardiovascular disease. However, the increased use is associated with rising radiation exposure [4], and recent articles have highlighted its potential longterm side effects [5]. The general principle in medicine that the diagnostic or therapeutic intervention should not be worse than the disease, is reflected by the ‘ALARA principle (as low as reasonably achievable)’ in diagnostic imaging using ionizing radiation [6]. In order to minimize the radiation exposure from CT in general and for the individual patient in particular, it is important to consider appropriate clinical indications and scan protocols. Appropriateness criteria for cardiovascular CT have been published [7]. In the realm of vascular imaging, CT is typically used initially instead of another tests associated with exposure to ionizing radiation. If, as would be the case for a patient with suspected pulmonary embolism or aortic dissection, CT provides a reliable diagnosis and makes nuclear imaging or angiography unnecessary, CT is considered appropriate. On the other hand, if a positive coronary CTA would most likely need confirmation by conventional angiography, as would be likely in a patient with known CAD or high pre-test probability, the test is not considered appropriate. It is also important to consider, that the relatively non-invasive nature of a test alone does not establish its usefulness for screening (or supports performance out of curiosity), in particular because false-positive test in patients with low pre-test probability can be associated with untoward outcome [8]. Editorial comment on 9396 (DOI: 10.1007/s10554-008-9396-z.)" @default.
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• W2091286269 date "2009-03-04" @default.
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• W2091286269 title "Focus on radiation exposure from cardiovascular imaging with computed tomography" @default.
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• W2091286269 doi "https://doi.org/10.1007/s10554-009-9445-2" @default.
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