Table 2. Comparisons of Epicardial Coronary Diameter and Coronary Blood Flow at Baseline, Their Responses to ACh and SNP, and IVUS Parameters between Patients with and without PAV Progression in the Infarct-related Coronary Arteries.
| PAV progression |
|||
|---|---|---|---|
| With (n = 18) | Without (n = 32) | p-value | |
| Responses to ACh (%) | |||
| Coronary diameter at the 1st test | 2.5 ± 12.0 | −1.1 ± 10.9 | 0.28 |
| Coronary diameter at the 2nd test | 6.7 ± 18.1 | 14.8 ± 11.4* | 0.10 |
| Coronary flow at the 1st test | 99 ± 95 | 83 ± 70 | 0.49 |
| Coronary flow at the 2nd test | 159 ± 150 | 199 ± 113* | 0.28 |
| Responses to SNP (%) | |||
| Coronary diameter at the 1st test | 15.2 ± 8.1 | 14.9 ± 9.2 | 0.91 |
| Coronary diameter at the 2nd test | 22.0 ± 16.7 | 17.5 ± 10.7 | 0.26 |
| Coronary flow at the 1st test | 108 ± 90 | 144 ± 117 | 0.26 |
| Coronary flow at the 2nd test | 182 ± 129 | 147 ± 98 | 0.29 |
| Baseline measurements before ACh injection | |||
| Coronary diameter at the 1st test (mm) | 1.6 ± 0.2 | 1.7 ± 0.3 | 0.06 |
| Coronary diameter at the 2nd test (mm) | 1.6 ± 0.4 | 1.7 ± 0.3 | 0.07 |
| Coronary flow at the 1st test (mL/min) | 21 ± 9 | 24 ± 9 | 0.28 |
| Coronary flow at the 2nd test (mL/min) | 19 ± 11 | 25 ± 12 | 0.10 |
| IVUS measurements | |||
| Vessel volume at the 1st test (mm3) | 31.3 ± 19.3 | 32.4 ± 10.1 | 0.79 |
| Vessel volume at the 2nd test (mm3) | 28.4 ± 18.5 | 30.4 ± 10.2 | 0.60 |
| Lumen volume at the 1st test (mm3) | 19.2 ± 11.3 | 18.0 ± 6.3 | 0.56 |
| Lumen volume at the 2nd test (mm3) | 16.4 ± 10.3 | 18.9 ± 7.4 | 0.42 |
| PAV at the 1st test (%) | 36.5 ± 10.6 | 43.8 ± 13.3 | 0.06 |
| PAV at the 2nd test (%) | 40.6 ± 10.8* | 37.5 ± 12.7* | 0.39 |
Data are expressed as the mean ± S.D.
*
p < 0.05 vs. the respective value at the 1st test.
SNP, sodium nitroprusside; IVUS, intravascular ultrasound; other abbreviations are as in Table 1.