Journal
MEDICAL PHYSICS
Volume 27, Issue 9, Pages 2008-2023Publisher
AMER ASSOC PHYSICISTS MEDICINE AMER INST PHYSICS
DOI: 10.1118/1.1288669
Keywords
angiography; digital subtraction; blood; flow velocity; literature; review of; image processing; computer-assisted
Funding
- NCI NIH HHS [CA 51198-07] Funding Source: Medline
- NATIONAL CANCER INSTITUTE [P01CA051198] Funding Source: NIH RePORTER
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Blood flow rate and velocity are important parameters for the study of vascular systems, and for the diagnosis, monitoring and evaluation of treatment of cerebro- and cardiovascular disease. For rapid imaging of cerebral and cardiac blood vessels, digital x-ray subtraction angiography has numerous advantages over other modalities. Roentgen-videodensitometric techniques measure blood flow and velocity from changes of contrast material density in x-ray angiograms. Many roentgenvideodensitometric flow measurement methods can also be applied to CT, MR and rotational angiography images. Hence, roentgen-videodensitometric blood flow and velocity measurement from digital x-ray angiograms represents an important research topic. This work contains a critical review and bibliography surveying current and old developments in the field. We present an extensive survey of English-language publications on the subject and a classification of published algorithms. We also present descriptions and critical reviews of these algorithms. The algorithms are reviewed with requirements imposed by neuro- and cardiovascular clinical environments in mind. (C) 2000 American Association of Physicists in Medicine. [S0094-2405(00)01409-7].
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