Delayed enhancement imaging: Standardised segmental assessment of myocardial viability in patients with ST-elevation myocardial infarction

Abstract Objective To prospectively compare a selective short axis slice positioning method (selective 3-of-5) used in combination with a single long-axis slice, to the conventional short axis multi-slice technique in the assessment of myocardial viability. Materials and methods Thirty-one patients...

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Bibliographic Details
Published in:European journal of radiology 2008-04, Vol.66 (1), p.42-47
Main Authors: Alfakih, Khaled, Sparrow, Patrick, Plein, Sven, Sivananthan, Mohan U, Walters, Kevin, Ridgway, John P, Messroghli, Daniel R
Format: Article
Language:English
Subjects:
Adult
Aged
Biological and medical sciences
Cardiac MRI
Cardiology. Vascular system
Contrast Media
Coronary heart disease
Delayed enhancement
Female
Gadolinium DTPA
Heart
Humans
Investigative techniques, diagnostic techniques (general aspects)
Magnetic Resonance Imaging - methods
Male
Medical sciences
Middle Aged
Myocardial Infarction - pathology
Myocarditis. Cardiomyopathies
Prospective Studies
Radiology
Reproducibility of Results
Sensitivity and Specificity
Viability
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Summary:Abstract Objective To prospectively compare a selective short axis slice positioning method (selective 3-of-5) used in combination with a single long-axis slice, to the conventional short axis multi-slice technique in the assessment of myocardial viability. Materials and methods Thirty-one patients with recent or chronic ST segment elevation myocardial infarct (STEMI) were recruited to undergo delayed enhancement (DE) cardiac magnetic resonance imaging (CMR). All patients underwent both methods of DE imaging, with subsequent review of both sets of data by two experienced observers. Sensitivity and specificity, as well as intra and interobserver reproducibility for both techniques were assessed. Results There was good agreement between the selective 3-of-5 and the conventional multi-slice method for the assessment of viability, with no significant difference in results for sensitivity or reproducibility between the techniques. Conclusion In patients with STEMI, a selective 3-of-5 short axis slice acquisition used in combination with a single vertical long-axis slice can be utilised to produce a standard American Heart Association (AHA) 17-segment model for the assessment of myocardial viability.
ISSN:0720-048X
1872-7727
DOI:10.1016/j.ejrad.2007.05.014