Table 3.
Estimates of MBF and MPR from 3D-perfusion CMR - per territory analysis
| |
Stress MBF (ml/min/g) |
Rest MBF (ml/min/g) |
MPR |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Systole | Diastole | p | Systole | Diastole | p | Systole | Diastole | p | |
|
Normal
(n=
67)
|
2.75 ± 0.42 |
3.21 ± 0.50 |
p < 0.0001 |
1.24 ± 0.15 |
1.25 ± 0.15 |
p = 0.27 |
2.26 ± 0.43 |
2.59 ± 0.44 |
p < 0.0001 |
|
CAD
(n=
38)
|
1.98 ± 0.41 |
2.13 ± 0.55 |
p < 0.0001 |
1.24 ± 0.15 |
1.26 ± 0.14 |
p = 0.20 |
1.63 ± 0.14 |
1.72 ± 0.19 |
p < 0.01 |
| Overall (n= 105) | 2.47 ± 0.55 | 2.82 ± 0.71 | p < 0.0001 | 1.24 ± 0.15 | 1.25 ± 0.15 | p = 0.10 | 2.03 ± 0.52 | 2.27 ± 0.61 | 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.