Acute Myocardial Infarction: Myocardial Viability Assessment in Patients Early Thereafter—Comparison of Contrast-enhanced MR Imaging with Resting201Tl SPECT
- 1 January 2003
- journal article
- research article
- Published by Radiological Society of North America (RSNA) in Radiology
- Vol. 226 (1) , 138-144
- https://doi.org/10.1148/radiol.2261012108
Abstract
PURPOSE: To compare contrast material–enhanced magnetic resonance (MR) imaging with resting thallium 201 (201Tl) single photon emission computed tomography (SPECT) for predicting myocardial viability in patients early after acute myocardial infarction. MATERIALS AND METHODS: Inversion-recovery contrast-enhanced MR images and resting 201Tl SPECT images were obtained in 22 patients after acute myocardial infarction. The 201Tl SPECT images were obtained 4.3 days ± 0.2 (standard error) after the onset of myocardial infarction. Contrast-enhanced MR imaging was performed 7.9 days ± 1.6 after 201Tl SPECT. Transmural extent of hyperenhancement on contrast-enhanced MR images and regional 201Tl activity were quantitatively analyzed with a 12-segment model. Regional wall thickening on follow-up cine MR images obtained 67 days ± 17 after contrast-enhanced MR imaging was used as an index for myocardial viability. Statistical analyses were performed with the χ2 and two-tailed Student t tests. RESULTS: Both contrast-enh...Keywords
This publication has 24 references indexed in Scilit:
- Transmural Extent of Acute Myocardial Infarction Predicts Long-Term Improvement in Contractile FunctionCirculation, 2001
- An Improved MR Imaging Technique for the Visualization of Myocardial InfarctionRadiology, 2001
- Dobutamine echocardiography and resting-redistribution thallium-201 scintigraphy predicts recovery of hibernating myocardium after coronary revascularizationAmerican Heart Journal, 1994
- Quantitative planar rest-redistribution 201Tl imaging in detection of myocardial viability and prediction of improvement in left ventricular function after coronary bypass surgery in patients with severely depressed left ventricular function.Circulation, 1993
- Comparison of magnetic resonance imaging studies with enzymatic indexes of myocardial necrosis for quantification of myocardial infarct sizeThe American Journal of Cardiology, 1993
- Value of rest thallium-201/technetium-99m sestamibi scans and dobutamine echocardiography for detecting myocardial viabilityThe American Journal of Cardiology, 1993
- Reperfused and nonreperfused myocardial infarction: diagnostic potential of Gd-DTPA--enhanced MR imaging.Radiology, 1989
- Occlusive and reperfused myocardial infarcts: effect of Gd-DTPA on ECG-gated MR imaging.Radiology, 1986
- The stunned myocardium: prolonged, postischemic ventricular dysfunction.Circulation, 1982
- Correlation between acute reductions in myocardial blood flow and function in conscious dogs.Circulation Research, 1980