Source:http://linkedlifedata.com/resource/pubmed/id/19566287
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
3
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pubmed:dateCreated |
2009-7-1
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pubmed:abstractText |
We demonstrate the feasibility of a time-resolved fluorescence spectroscopy (TRFS) technique for intraluminal investigation of arterial vessel composition under intravascular ultrasound (IVUS) guidance. A prototype 1.8-mm (5.4 Fr) catheter combining a side-viewing optical fiber (SVOF) and an IVUS catheter was constructed and tested with in vitro vessel phantoms. The prototype catheter can locate a fluorophore in the phantom vessel wall, steer the SVOF in place, perform blood flushing under flow conditions, and acquire high-quality TRFS data using 337-nm wavelength excitation. The catheter steering capability used for the coregistration of the IVUS image plane and the SVOF beam produce a guiding precision to an arterial phantom wall site location of 0.53+/-0.16 mm. This new intravascular multimodal catheter enables the potential for in vivo arterial plaque composition identification using TRFS.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:issn |
1083-3668
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
14
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
030505
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pubmed:meshHeading |
pubmed-meshheading:19566287-Animals,
pubmed-meshheading:19566287-Catheterization,
pubmed-meshheading:19566287-Femoral Artery,
pubmed-meshheading:19566287-Optical Fibers,
pubmed-meshheading:19566287-Phantoms, Imaging,
pubmed-meshheading:19566287-Spectrometry, Fluorescence,
pubmed-meshheading:19566287-Swine,
pubmed-meshheading:19566287-Ultrasonography, Interventional
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pubmed:articleTitle |
Intraluminal fluorescence spectroscopy catheter with ultrasound guidance.
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pubmed:publicationType |
Letter,
Research Support, Non-U.S. Gov't,
Research Support, N.I.H., Extramural
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