Table 2.
Comparison of the 82Rb-PET imaging and CCTA results between athletes with concordant abnormal ET and MPS results and the matched individuals with low-to-intermediate risk of CAD
| Athletes (N = 9) | Control (N = 9) | p-value | |
|---|---|---|---|
| Resting coronary blood flow (ml/g/min) | |||
| LAD | 1.1 ± 0.4 | 0.8 ± 0.2 | 0.052 |
| RCx | 1.0 ± 0.3 | 0.8 ± 0.2 | 0.143 |
| RCA | 0.9 ± 0.3 | 0.7 ± 0.2 | 0.104 |
| Global | 1.1 ± 0.3 | 0.8 ± 0.2 | 0.068 |
| Corrected global flow | 1.0 ± 0.2 | 0.9 ± 0.1 | 0.218 |
| Maximum coronary blood flow (ml/g/min) | |||
| LAD | 3.5 ± 0.8 | 3.2 ± 0.6 | 0.349 |
| RCx | 3.0 ± 0.6 | 3.2 ± 0.4 | 0.262 |
| RCA | 3.1 ± 0.8 | 3.2 ± 0.5 | 0.741 |
| Global | 3.2 ± 0.7 | 3.2 ± 0.5 | 0.841 |
| Coronary flow reserve (ml/g/min) | |||
| LAD | 3.3 ± 0.9 | 4.1 ± 0.7 | 0.080 |
| RCx | 3.1 ± 0.7 | 4.1 ± 0.5 | 0.003 |
| RCA | 3.4 ± 0.8 | 4.5 ± 0.6 | 0.004 |
| Global | 3.3 ± 0.8 | 4.2 ± 0.6 | 0.014 |
| Corrected CFR | 3.2 ± 0.6 | 3.9 ± 0.6 | 0.045 |
| CACS | 61.1 ± 157.5 | 33.3 ± 50.0 | 0.621 |
| CCTA | |||
| No epicardial CAD, N (%) | 9 (100) | 9 (100) | 1.000 |
PET positron emission tomography, ET exercise test, MP myocardial perfusion scintigraphy, CAD coronary artery disease, LAD left anterior descending artery, RCX circumflex artery, RCA right coronary artery, CFR coronary flow reserve, CACS coronary artery calcium score, CCTA coronary computed tomography angiography