Strain Rate Imaging by Ultrasonography in the Diagnosis of Coronary Artery Disease
Regional strain rate in the left ventricle can be assessed in real time and color mapped. The method is termed strain rate imaging (SRI), and findings correspond well with 2-dimensional echocardiography. This study addresses SRI as a method for localizing coronary lesions, compared with standard ech...
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| Veröffentlicht in: | Journal of the American Society of Echocardiography 2000-12, Vol.13 (12), p.1053-1064 |
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| container_title | Journal of the American Society of Echocardiography |
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| creator | Støylen, Asbjørn Heimdal, Andreas Bjørnstad, Knut Wiseth, Rune Vik-Mo, Harald Torp, Hans Angelsen, Bjørn Skjærpe, Terje |
| description | Regional strain rate in the left ventricle can be assessed in real time and color mapped. The method is termed strain rate imaging (SRI), and findings correspond well with 2-dimensional echocardiography. This study addresses SRI as a method for localizing coronary lesions, compared with standard echocardiography. Twenty patients with acute myocardial infarction who underwent coronary angiography for clinical reasons were examined with SRI and standard echocardiography. Wall motion was graded by SRI color and separately by wall thickening. Strain rate imaging and 2-dimensional echocardiography results agreed well. An infarct-related artery was identified from angiograms combined with electrocardiograms. Both methods identified an infarct-related artery in 19 possible cases and had equal sensitivity and specificity for wall segments affected by lesion. Combining the information from both methods did not change accuracy. The study validates SRI as a method for assessing regional wall function in coronary artery disease. The advantages of SRI are discussed and measurements of strain rates are given. (J Am Soc Echocardiogr 2000;13:1053-64.) |
| doi_str_mv | 10.1067/mje.2000.106573 |
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The method is termed strain rate imaging (SRI), and findings correspond well with 2-dimensional echocardiography. This study addresses SRI as a method for localizing coronary lesions, compared with standard echocardiography. Twenty patients with acute myocardial infarction who underwent coronary angiography for clinical reasons were examined with SRI and standard echocardiography. Wall motion was graded by SRI color and separately by wall thickening. Strain rate imaging and 2-dimensional echocardiography results agreed well. An infarct-related artery was identified from angiograms combined with electrocardiograms. Both methods identified an infarct-related artery in 19 possible cases and had equal sensitivity and specificity for wall segments affected by lesion. Combining the information from both methods did not change accuracy. The study validates SRI as a method for assessing regional wall function in coronary artery disease. The advantages of SRI are discussed and measurements of strain rates are given. 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The method is termed strain rate imaging (SRI), and findings correspond well with 2-dimensional echocardiography. This study addresses SRI as a method for localizing coronary lesions, compared with standard echocardiography. Twenty patients with acute myocardial infarction who underwent coronary angiography for clinical reasons were examined with SRI and standard echocardiography. Wall motion was graded by SRI color and separately by wall thickening. Strain rate imaging and 2-dimensional echocardiography results agreed well. An infarct-related artery was identified from angiograms combined with electrocardiograms. Both methods identified an infarct-related artery in 19 possible cases and had equal sensitivity and specificity for wall segments affected by lesion. Combining the information from both methods did not change accuracy. The study validates SRI as a method for assessing regional wall function in coronary artery disease. The advantages of SRI are discussed and measurements of strain rates are given. 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The method is termed strain rate imaging (SRI), and findings correspond well with 2-dimensional echocardiography. This study addresses SRI as a method for localizing coronary lesions, compared with standard echocardiography. Twenty patients with acute myocardial infarction who underwent coronary angiography for clinical reasons were examined with SRI and standard echocardiography. Wall motion was graded by SRI color and separately by wall thickening. Strain rate imaging and 2-dimensional echocardiography results agreed well. An infarct-related artery was identified from angiograms combined with electrocardiograms. Both methods identified an infarct-related artery in 19 possible cases and had equal sensitivity and specificity for wall segments affected by lesion. Combining the information from both methods did not change accuracy. The study validates SRI as a method for assessing regional wall function in coronary artery disease. 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| identifier | ISSN: 0894-7317 |
| ispartof | Journal of the American Society of Echocardiography, 2000-12, Vol.13 (12), p.1053-1064 |
| issn | 0894-7317 1097-6795 |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Adult Aged Analysis of Variance Coronary Angiography Echocardiography - methods Female Humans Image Processing, Computer-Assisted Male Middle Aged Myocardial Infarction - diagnostic imaging Myocardial Infarction - physiopathology Observer Variation Sensitivity and Specificity Statistics, Nonparametric Ventricular Dysfunction, Left - diagnostic imaging Ventricular Dysfunction, Left - physiopathology |
| title | Strain Rate Imaging by Ultrasonography in the Diagnosis of Coronary Artery Disease |
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