Table 3.
Semiquantitative analysis of myocardial and splenic perfusion
| baseline (w/o caffeine) n = 25 | follow-up (w/ caffeine) n = 25 | p | |
|---|---|---|---|
| Hemodynamic status during CMR | |||
| HR at rest, /min | 67 ± 9 | 71 ± 11 | 0.27 |
| Systolic BP at rest, mmHg | 151 ± 22 | 152 ± 26 | 0.78 |
| Diastolic BP at rest, mmHg | 88 ± 13 | 87 ± 9 | 0.76 |
| HR during adenosine, /min | 86 ± 12 | 85 ± 8 | 0.71 |
| Systolic BP during adenosine, mmHg | 147 ± 20 | 150 ± 23 | 0.38 |
| Diastolic BP during adenosine, mmHg | 88 ± 12 | 87 ± 8 | 0.79 |
| Global myocardium (all 16 segments) | |||
| RU rest | 11.1 ± 1.9 | 11.4 ± 2.0 | 0.52 |
| RU adenosine | 13.3 ± 2.3 | 12.5 ± 2.8 | 0.11 |
| MPRI | 1.24 ± 0.19 | 1.09 ± 0.19 | < 0.01 |
| Spleen | |||
| RU rest | 15.6 ± 5.1 | 16.2 ± 6.4 | 0.73 |
| RU adenosine | 5.6 ± 3.3 | 5.9 ± 3.0 | 0.66 |
| SPR | 0.38 ± 0.19 | 0.38 ± 0.18 | 0.92 |
Data are mean ± SD
RU, relative upslope; MPRI, myocardial perfusion reserve index; SPR, splenic perfusion ratio; HR, heart rate; BP, blood-pressure