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Bright-Blood T2-Weighted MRI Has Higher Diagnostic Accuracy Than Dark-Blood Short Tau Inversion Recovery MRI for Detection of Acute Myocardial Infarction and for Assessment of the Ischemic Area at Risk and Myocardial Salvage

Bright-Blood T2-Weighted MRI Has Higher Diagnostic Accuracy Than Dark-Blood Short Tau Inversion... Bright-Blood T2-Weighted MRI Has Higher Diagnostic Accuracy Than Dark-Blood Short Tau Inversion Recovery MRI for Detection of Acute Myocardial Infarction and for Assessment of the Ischemic Area at Risk and Myocardial Salvage Alexander R. Payne, MBChB; Matthew Casey, BMedSci; John McClure, PhD; Ross McGeoch, MBChB; Aengus Murphy, MBChB; Rosemary Woodward, BSc; Andrew Saul, BSc; Xiaoming Bi, PhD; Sven Zuehlsdorff, PhD; Keith G. Oldroyd, MD(Hons), FRCP, FSCAI; Niko Tzemos, MD(Hons), FRCP, FASE; Colin Berry, BSc, PhD, FRCP, FACC Background—T2-Weighted MRI reveals myocardial edema and enables estimation of the ischemic area at risk and myocardial salvage in patients with acute myocardial infarction (MI). We compared the diagnostic accuracy of a new bright-blood T2-weighted with a standard black blood T2-weighted MRI in patients with acute MI. Methods and Results—A breath-hold, bright-blood T2-weighted, Acquisition for Cardiac Unified T2 Edema pulse sequence with normalization for coil sensitivity and a breath-hold T2 dark-blood short tau inversion recovery sequence were used to depict the area at risk in 54 consecutive acute MI patients. Infarct size was measured on gadolinium late contrast enhancement images. Compared with dark-blood T2-weighted MRI, consensus agreements between indepen- dent observers for identification of myocardial edema were higher with bright-blood T2-weighted MRI when http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Circulation: Cardiovascular Imaging Wolters Kluwer Health

Bright-Blood T2-Weighted MRI Has Higher Diagnostic Accuracy Than Dark-Blood Short Tau Inversion Recovery MRI for Detection of Acute Myocardial Infarction and for Assessment of the Ischemic Area at Risk and Myocardial Salvage

Berry, Colin
Circulation: Cardiovascular Imaging , Volume 4 (3) – May 1, 2011
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Copyright
© 2011 American Heart Association, Inc.
ISSN
1941-9651
eISSN
1942-0080

Abstract

Bright-Blood T2-Weighted MRI Has Higher Diagnostic Accuracy Than Dark-Blood Short Tau Inversion Recovery MRI for Detection of Acute Myocardial Infarction and for Assessment of the Ischemic Area at Risk and Myocardial Salvage Alexander R. Payne, MBChB; Matthew Casey, BMedSci; John McClure, PhD; Ross McGeoch, MBChB; Aengus Murphy, MBChB; Rosemary Woodward, BSc; Andrew Saul, BSc; Xiaoming Bi, PhD; Sven Zuehlsdorff, PhD; Keith G. Oldroyd, MD(Hons), FRCP, FSCAI; Niko Tzemos, MD(Hons), FRCP, FASE; Colin Berry, BSc, PhD, FRCP, FACC Background—T2-Weighted MRI reveals myocardial edema and enables estimation of the ischemic area at risk and myocardial salvage in patients with acute myocardial infarction (MI). We compared the diagnostic accuracy of a new bright-blood T2-weighted with a standard black blood T2-weighted MRI in patients with acute MI. Methods and Results—A breath-hold, bright-blood T2-weighted, Acquisition for Cardiac Unified T2 Edema pulse sequence with normalization for coil sensitivity and a breath-hold T2 dark-blood short tau inversion recovery sequence were used to depict the area at risk in 54 consecutive acute MI patients. Infarct size was measured on gadolinium late contrast enhancement images. Compared with dark-blood T2-weighted MRI, consensus agreements between indepen- dent observers for identification of myocardial edema were higher with bright-blood T2-weighted MRI when

Journal

Circulation: Cardiovascular Imaging – Wolters Kluwer Health

Published: May 1, 2011

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