| Velocity tracking--a novel method for quantitative analysis of longitudinal myocardial function. | |
MedLine Citation:
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PMID: 17617311 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Doppler tissue imaging is a method for quantitative analysis of longitudinal myocardial velocity. Commercially available ultrasound systems can only present velocity information using a color Doppler-based overlapping continuous color scale. The analysis is time-consuming and does not allow for simultaneous analysis in different projections. We have developed a new method, velocity tracking, using a stepwise color coding of the regional longitudinal myocardial velocity. The velocity data from 3 apical projections are presented as static and dynamic bull's-eye plots to give a 3-dimensional understanding of the function of the left ventricle. The static bull's-eye plot can display peak systolic velocity, late diastolic tissue velocity, or the sum of peak systolic velocity and early diastolic tissue velocity. Conversely, the dynamic bull's-eye plot displays how the myocardial velocities change over one heart cycle. Velocity tracking allows for a fast, simple, and intuitive visual analysis of the regional longitudinal contraction pattern of the left ventricle with a great potential to identify characteristic pathologic patterns. |
Authors:
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Anna Bjällmark; Matilda Larsson; Reidar Winter; Carl Westholm; Per Jacobsen; Britta Lind; Lars-Ake Brodin |
Publication Detail:
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Type: Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography Volume: 20 ISSN: 1097-6795 ISO Abbreviation: J Am Soc Echocardiogr Publication Date: 2007 Jul |
Date Detail:
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Created Date: 2007-07-09 Completed Date: 2007-08-07 Revised Date: 2007-11-02 |
Medline Journal Info:
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Nlm Unique ID: 8801388 Medline TA: J Am Soc Echocardiogr Country: United States |
Other Details:
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Languages: eng Pagination: 847-56 Citation Subset: IM |
Affiliation:
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School for Technique and Health, Royal Institute of Technology, Huddinge, Sweden. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aged, 80 and over Algorithms* Echocardiography, Doppler, Color / methods* Female Humans Image Enhancement / methods* Image Interpretation, Computer-Assisted / methods* Male Middle Aged Motion Reproducibility of Results Sensitivity and Specificity Ventricular Dysfunction, Left / ultrasonography* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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