Table 2.
Estimates of MBF and MPR from 3D perfusion CMR - per patient analysis
| |
Stress MBF (ml/min/g) |
Rest MBF (ml/min/g) |
MPR |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Systole | Diastole | p | Systole | Diastole | p | Systole | Diastole | p | |
|
Normal
(n =
15)
|
2.88 ± 0.32 |
3.47 ± 0.41 |
p < 0.0001 |
1.28 ± 0.17 |
1.26 ± 0.15 |
p = 0.45 |
2.27 ± 0.37 |
2.78 ± 0.40 |
p < 0.0001 |
|
CAD
(n =
20)
|
2.32 ± 0.42 |
2.53 ± 0.47 |
p < 0.0001 |
1.32 ± 0.19 |
1.28 ± 0.21 |
p = 0.06 |
1.82 ± 0.54 |
2.08 ± 0.74 |
p < 0.001 |
| Overall (n = 35) | 2.56 ± 0.47 | 2.93 ± 0.65 | p < 0.0001 | 1.30 ± 0.18 | 1.27 ± 0.19 | p = 0.06 | 2.01 ± 0.08 | 2.38 ± 0.05 | p < 0.0001 |
All values expressed as mean ± SD. Coronary artery disease (CAD) defined as stenosis ≥70%. CMR = cardiovascular magnetic resonance; MBF = myocardial blood flow; MPR = myocardial perfusion reserve.