Strain-encoded MRI for evaluation of left ventricular function and transmurality in acute myocardial infarction

Mirja Neizel, Dirk Lossnitzer, Grigorios Korosoglou, Tim Schäufele, Hooman Peykarjou, Henning Steen, Christina Ocklenburg, Evangelos Giannitsis, Hugo A. Katus, Nael Fakhry Osman

Research output: Contribution to journalArticle

Abstract

Background-Strain-encoded imaging (SENC) is a new technique for myocardial deformation analysis in cardiac MRI. The aim of the study was, therefore, to evaluate whether myocardial deformation imaging performed by SENC allows for quantification of regional left ventricular function and is related to transmurality states of infarcted tissue in patients with acute myocardial infarction. Methods and Results-Cardiac MRI was performed in 38 patients with acute myocardial infarction 3±1 days after successful reperfusion using a clinical 1.5-T MRI scanner. Ten healthy volunteers served as controls. SENC is a technique that directly measures peak circumferential strain from long-axis views and peak longitudinal strain from short-axis views. Measurements were obtained for each segment in a modified 17-segment model. Wall motion and infarcted tissue were evaluated semiquantitatively from steady-state free-precession cine sequences and contrastenhanced MR images and were then related to myocardial strain. Comparison of peak circumferential strain assessed by SENC and MR tagging was performed. In total, 456 segments were analyzed. Peak circumferential and longitudinal strain calculated from SENC images was significantly different in regions defined as normokinetic, hypokinetic, or akinetic (P

Original languageEnglish (US)
Pages (from-to)116-122
Number of pages7
JournalCirculation: Cardiovascular Imaging
Volume2
Issue number2
DOIs
StatePublished - Mar 2009

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Left Ventricular Function
Myocardial Infarction
Reperfusion
Healthy Volunteers

Keywords

  • Myocardial infarction
  • Myocardial strain
  • Strain-encoded MRI
  • Viability

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Radiology Nuclear Medicine and imaging
  • Medicine(all)

Cite this

Strain-encoded MRI for evaluation of left ventricular function and transmurality in acute myocardial infarction. / Neizel, Mirja; Lossnitzer, Dirk; Korosoglou, Grigorios; Schäufele, Tim; Peykarjou, Hooman; Steen, Henning; Ocklenburg, Christina; Giannitsis, Evangelos; Katus, Hugo A.; Osman, Nael Fakhry.

In: Circulation: Cardiovascular Imaging, Vol. 2, No. 2, 03.2009, p. 116-122.

Research output: Contribution to journalArticle

Neizel, M, Lossnitzer, D, Korosoglou, G, Schäufele, T, Peykarjou, H, Steen, H, Ocklenburg, C, Giannitsis, E, Katus, HA & Osman, NF 2009, 'Strain-encoded MRI for evaluation of left ventricular function and transmurality in acute myocardial infarction', Circulation: Cardiovascular Imaging, vol. 2, no. 2, pp. 116-122. https://doi.org/10.1161/CIRCIMAGING.108.789032
Neizel, Mirja ; Lossnitzer, Dirk ; Korosoglou, Grigorios ; Schäufele, Tim ; Peykarjou, Hooman ; Steen, Henning ; Ocklenburg, Christina ; Giannitsis, Evangelos ; Katus, Hugo A. ; Osman, Nael Fakhry. / Strain-encoded MRI for evaluation of left ventricular function and transmurality in acute myocardial infarction. In: Circulation: Cardiovascular Imaging. 2009 ; Vol. 2, No. 2. pp. 116-122.
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