Table 3 Absolute change in MBF and MPR observed by re-processing the perfusion map data using an increased maximum arterial time delay threshold (from 2.5 to 5Â s)
All CABG cases (n = 38) | ||||||
|---|---|---|---|---|---|---|
Myocardial territory | Change in stress MBF (ml/g/min) | p value | Change in rest MBF (ml/g/min) | p value | Change in MPR | p value |
Global | 0.05 (0.02–0.08) | < 0.001 | 0.06 (0.04–0.09) | < 0.001 | − 0.06 (− 0.11 to (− 0.01)) | < 0.001 |
LIMA–LAD | 0.05 (0.01–0.09) | < 0.001 | 0.05 (0.03–0.08) | < 0.001 | − 0.05 (− 0.10 to 0.00) | < 0.001 |
Sub-analysis of CABG cases with totally occluded native LAD (n = 20) | ||||||
 LIMA–LAD | 0.06 (0.00–0.09) | < 0.001 | 0.05 (0.03–0.11) | < 0.001 | − 0.03 (− 0.08 to 0.00) | 0.063 |
Healthy subjects (n = 25) | ||||||
 Global | 0.01 (0.00–0.03) | < 0.001 | 0.09 (0.06–0.11) | < 0.001 | − 0.25 (− 0.35 to (− 0.20)) | < 0.001 |
 LAD | 0.01 (0.00–0.01) | 0.001 | 0.06 (0.05–0.09) | < 0.001 | − 0.18 (− 0.26 to (− 0.12)) | < 0.001 |