期刊
INTERNATIONAL JOURNAL OF CARDIOVASCULAR IMAGING
卷 33, 期 11, 页码 1753-1759出版社
SPRINGER
DOI: 10.1007/s10554-017-1157-4
关键词
Coronary artery disease (CAD); Cardiac magnetic resonance (CMR); T1 mapping
资金
- ZonMW Innovative Medical Devices Initiative LSH [10-10400-98-14017]
- Dutch Heart Foundation [CVON2015-17]
The antagonistic effects of caffeine on adenosine receptors are a possible cause of false-negative stress perfusion imaging. The purpose of this study was to determine the effects of coffee intake < 4 h prior to stress perfusion cardiac magnetic resonance imaging (CMR) in regadenoson- versus adenosine-induced hyperemia as measured with T1-mapping. 98 consecutive patients with suspected coronary artery disease referred for either adenosine or regadenoson perfusion CMR were included in this analysis. Twenty-four patients reported coffee consumption < 4 h before CMR (15 patients with adenosine, and 9 patients with regadenoson); 74 patients reported no coffee intake (50 patients with adenosine, and 24 patients with regadenoson). T1 mapping was performed using a modified look-locker inversion recovery sequence. T1 reactivity was determined by subtracting T1(rest) from T1(stress). T1(rest), T1(stress), and T1 reactivity in patients referred for regadenoson perfusion CMR were not significantly different when comparing patients with < 4 h coffee intake and patients who reported no coffee intake (976 +/- 4 ms, 1019 +/- 48 ms, and 4.4 +/- 3.2% vs 971 +/- 33 ms, 1023 +/- 43 ms, and 5.4 +/- 2.4%) (p = 0.70, 0.79, and 0.40), and similar to values in patients without coffee intake undergoing adenosine CMR. In patients with < 4 h coffee intake, T1(stress), and T1 reactivity were significantly lower for adenosine (898 +/- 51 ms, and -7.8 +/- 5.0%) compared to regadenoson perfusion CMR (p < 0.001). Coffee intake < 4 h prior to regadenoson perfusion CMR has no effect on stress-induced hyperemia as measured with T1 mapping.
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