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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
2002-11-26
pubmed:abstractText
To determine whether the myocardial injury size on day 2 measured after gadolinium (Gd)-mesoporphyrin and Gd-diethylenetriamine-pentaacetic acid (DTPA) administration can be used for predicting left ventricular (LV) remodeling 8 weeks later, and to monitor the structural and functional changes in the infarct, peri-infarct rim, and remote myocardium in reperfused infarction using contrast-enhanced and functional magnetic resonance imaging (MRI) MATERIALS AND METHODS: Myocardial infarction (MI) was induced in 27 rats by 1 hour of coronary occlusion/reperfusion. Rats were imaged 2 days and 8 weeks after MI using MRI to determine LV function and size of myocardial injury. All animals received 0.05 mmol/kg Gd-mesoporphyrin 12 hours before the first MRI. A subgroup of 13 rats received 0.3 mmol/kg Gd-DTPA in addition to Gd-mesoporphyrin, and seven rats received 0.05 mmol/kg Gd-mesoporphyrin 12 hours before the second MRI for detection of healed MI. True infarct size (IS) and LV mass were measured postmortem. LV volumes, mass, function, and wall thickness were determined in both imaging sessions.
pubmed:language
eng
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:author
pubmed:copyrightInfo
Copyright 2002 Wiley-Liss, Inc.
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
633-40
pubmed:dateRevised
2006-11-15
pubmed:articleTitle
The potential of contrast-enhanced magnetic resonance imaging for predicting left ventricular remodeling.
pubmed:affiliation
Department of Radiology, University of California San Francisco, San Francisco, California 94143-0628, USA.