Document Detail


Quantification of regional myocardial wall motion by cardiovascular magnetic resonance.
MedLine Citation:
PMID:  25392821     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Cardiovascular magnetic resonance (CMR) is a versatile tool that also allows comprehensive and accurate measurement of both global and regional myocardial contraction. Quantification of regional wall motion parameters, such as strain, strain rate, twist and torsion, has been shown to be more sensitive to early-stage functional alterations. Since the invention of CMR tagging by magnetization saturation in 1988, several CMR techniques have been developed to enable the measurement of regional myocardial wall motion, including myocardial tissue tagging, phase contrast mapping, displacement encoding with stimulated echoes (DENSE), and strain encoded (SENC) imaging. These techniques have been developed with their own advantages and limitations. In this review, two widely used and closely related CMR techniques, i.e., tissue tagging and DENSE, will be discussed from the perspective of pulse sequence development and image-processing techniques. The clinical and preclinical applications of tissue tagging and DENSE in assessing wall motion mechanics in both normal and diseased hearts, including coronary artery diseases, hypertrophic cardiomyopathy, aortic stenosis, and Duchenne muscular dystrophies, will be discussed.
Authors:
Kai Jiang; Xin Yu
Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Quantitative imaging in medicine and surgery     Volume:  4     ISSN:  2223-4292     ISO Abbreviation:  Quant Imaging Med Surg     Publication Date:  2014 Oct 
Date Detail:
Created Date:  2014-11-13     Completed Date:  2014-11-13     Revised Date:  2014-11-15    
Medline Journal Info:
Nlm Unique ID:  101577942     Medline TA:  Quant Imaging Med Surg     Country:  China    
Other Details:
Languages:  eng     Pagination:  345-57     Citation Subset:  -    
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