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• W2166486960 abstract "Summary Background: Single photon emission computed tomography (SPECT) perfusion imaging has been considered a reference method for non‐invasive estimation of infarct size in man. Recently, delayed gadolinium‐enhanced magnetic resonance imaging (DE‐MRI) has evolved as an accurate tool to quantify infarct size. Therefore, the present study was designed to compare perfusion defect size by SPECT to hyperenhanced volume by DE‐MRI. Methods: DE‐MRI was performed in 30 patients. Fourteen were patients with revascularized first‐time acute infarctions, eight revascularized chronic infarctions, and eight clinically referred non‐revascularized patients. SPECT was performed in the same patients and analysed by a commercial package. Results: The hypoperfused volume by SPECT was larger than the hyperenhanced volume by DE‐MRI by 8 ± 8 ml (6% ± 5 percentage points), 10 ± 18 ml (6% ± 11 percentage points), and 26 ± 30 ml (12% ± 10 percentage points) in the acute, chronic and clinical populations, respectively. Left ventricle wall volume was smaller by SPECT in all settings. Conclusion: The SPECT perfusion defect size was comparable with but generally slightly larger than the hyperenhanced volume by DE‐MRI in both absolute and relative terms in patients with acute and chronic infarction. The results may be related to systematic differences between modalities but could also be influenced by biological phenomena such as wall thinning or hypoperfused but viable myocardium." @default.
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• W2166486960 date "2004-11-01" @default.
• W2166486960 modified "2023-10-14" @default.
• W2166486960 title "Myocardial SPECT perfusion defect size compared to infarct size by delayed gadolinium-enhanced magnetic resonance imaging in patients with acute or chronic infarction" @default.
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• W2166486960 doi "https://doi.org/10.1111/j.1475-097x.2004.00579.x" @default.
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