| All-phase MR angiography using independent component analysis of dynamic contrast enhanced MRI time series: phi-MRA. | |
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MedLine Citation:
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PMID: 16210816 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Dynamic contrast enhanced magnetic resonance imaging (dynamic MRI) represents a MRI version of non-diffusible tracer methods, the main clinical use of which is the physiological construction of what is conventionally referred to as perfusion images. The raw data utilized for constructing MRI perfusion images are time series of pixel signal alterations associated with the passage of a gadolinium containing contrast agent. Such time series are highly compatible with independent component analysis (ICA), a novel statistical signal processing technique capable of effectively separating a single mixture of multiple signals into their original independent source signals (blind separation). Accordingly, we applied ICA to dynamic MRI time series. The technique was found to be powerful, allowing for hitherto unobtainable assessment of regional cerebral hemodynamics in vivo. |
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Authors:
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Kiyotaka Suzuki; Hitoshi Matsuzawa; Hironaka Igarashi; Masaki Watanabe; Naoki Nakayama; Ingrid L Kwee; Tsutomu Nakada |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. |
Journal Detail:
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Title: Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine Volume: 2 ISSN: 1347-3182 ISO Abbreviation: Magn Reson Med Sci Publication Date: 2003 Apr |
Date Detail:
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Created Date: 2005-10-07 Completed Date: 2005-11-10 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 101153368 Medline TA: Magn Reson Med Sci Country: Japan |
Other Details:
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Languages: eng Pagination: 23-7 Citation Subset: IM |
Affiliation:
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Center for Integrated Brain Science, Brain Research Institute, University of Niigata, Japan. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aged, 80 and over Algorithms Cerebral Infarction / pathology*, physiopathology Cerebrovascular Circulation Contrast Media Gadolinium DTPA / diagnostic use Humans Magnetic Resonance Angiography Male Middle Aged Signal Processing, Computer-Assisted* |
| Chemical | |
Reg. No./Substance:
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0/Contrast Media; 80529-93-7/Gadolinium DTPA |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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