Detection of chronic coronary artery disease: value of pharmacologically stressed, dynamically enhanced turbo-fast low-angle shot MR images.
- 1 August 1993
- journal article
- Published by American Roentgen Ray Society in American Journal of Roentgenology
- Vol. 161 (2) , 257-263
- https://doi.org/10.2214/ajr.161.2.8333357
Abstract
The potential of MR imaging for evaluating myocardial perfusion and viability may make it the imaging procedure of choice for examining patients with ischemic heart disease. Accordingly, the purpose of this study is to determine the value of pharmacologically stressed, dynamically enhanced turbo-fast low-angle shot (FLASH) MR imaging in detecting chronic coronary artery disease.Five patients who had coronary angiography within the past 6-12 months were included in the study. After injection of 0.56 mg/kg of dipyridamole over 4 min, a bolus of 0.05 mg/kg of gadopentetate dimeglumine and subsequently 10 mCi (370 MBq) of 99mTc-sestamibi were injected. Short-axis turbo-FLASH images were obtained before injection and immediately, 1 min, 3 min, and 5 min after the injection of contrast material. Stress single-photon emission computed tomography (SPECT) images of the heart were obtained 60 min after the 99mTc-sestamibi injection. One and a half hours after an additional 30 mCi (1110 MBq) of 99mTc-sestamibi was i...Keywords
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