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Noninvasive Separation of Large, Medium, and Small Myocardial Infarcts in Survivors of Reperfused ST-Elevation Myocardial Infarction A Comprehensive Tissue Doppler and Speckle-Tracking Echocardiography Study

Noninvasive Separation of Large, Medium, and Small Myocardial Infarcts in Survivors of Reperfused... Noninvasive Separation of Large, Medium, and Small Myocardial Infarcts in Survivors of Reperfused ST-Elevation Myocardial Infarction A Comprehensive Tissue Doppler and Speckle-Tracking Echocardiography Study Ola Gjesdal, MD; Thomas Helle-Valle, MD; Einar Hopp, MD; Ketil Lunde, MD; Trond Vartdal, MD; Svend Aakhus, MD, PhD; Hans-Jørgen Smith, MD, PhD; Halfdan Ihlen, MD, PhD; Thor Edvardsen, MD, PhD Background—The objective of the study was to evaluate the ability of established and new parameters of global systolic left ventricle function to estimate myocardial infarct size. Increasing infarct extent is associated with impaired prognosis in chronic ischemic heart disease. Systolic myocardial deformation is a complex 3D process that is mainly influenced by the amount and transmural distribution of viable myocardium. Speckle-tracking echocardiography (2D-STE) enables deformation assessment along the 3 main cardiac axes independent of insonation angle. Methods and Results—Global longitudinal, circumferential, and radial strain and left ventricle twist by 2D-STE, global longitudinal strain rate and strain by tissue Doppler imaging, and left ventricle ejection fraction and wall motion score index were assessed in 40 patients 8.55.4 months after a first myocardial infarct and compared with global myocardial infarct mass assessed by contrast-enhanced MRI. Longitudinal and circumferential strain by 2D-STE and longitudinal strain and strain http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Circulation: Cardiovascular Imaging Wolters Kluwer Health

Noninvasive Separation of Large, Medium, and Small Myocardial Infarcts in Survivors of Reperfused ST-Elevation Myocardial Infarction A Comprehensive Tissue Doppler and Speckle-Tracking Echocardiography Study

Circulation: Cardiovascular Imaging , Volume 1 (3) – Nov 1, 2008

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References (34)

ISSN
1941-9651
eISSN
1942-0080
DOI
10.1161/CIRCIMAGING.108.784900
pmid
19808542
Publisher site
See Article on Publisher Site

Abstract

Noninvasive Separation of Large, Medium, and Small Myocardial Infarcts in Survivors of Reperfused ST-Elevation Myocardial Infarction A Comprehensive Tissue Doppler and Speckle-Tracking Echocardiography Study Ola Gjesdal, MD; Thomas Helle-Valle, MD; Einar Hopp, MD; Ketil Lunde, MD; Trond Vartdal, MD; Svend Aakhus, MD, PhD; Hans-Jørgen Smith, MD, PhD; Halfdan Ihlen, MD, PhD; Thor Edvardsen, MD, PhD Background—The objective of the study was to evaluate the ability of established and new parameters of global systolic left ventricle function to estimate myocardial infarct size. Increasing infarct extent is associated with impaired prognosis in chronic ischemic heart disease. Systolic myocardial deformation is a complex 3D process that is mainly influenced by the amount and transmural distribution of viable myocardium. Speckle-tracking echocardiography (2D-STE) enables deformation assessment along the 3 main cardiac axes independent of insonation angle. Methods and Results—Global longitudinal, circumferential, and radial strain and left ventricle twist by 2D-STE, global longitudinal strain rate and strain by tissue Doppler imaging, and left ventricle ejection fraction and wall motion score index were assessed in 40 patients 8.55.4 months after a first myocardial infarct and compared with global myocardial infarct mass assessed by contrast-enhanced MRI. Longitudinal and circumferential strain by 2D-STE and longitudinal strain and strain

Journal

Circulation: Cardiovascular ImagingWolters Kluwer Health

Published: Nov 1, 2008

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