Table 2.
Invasive coronary physiology
| CMD (n = 26) | Control group (n = 16) | p value | |
|---|---|---|---|
| Systolic blood pressure (mmHg) | 125.3 ± 25.5 | 127.3 ± 11.5 | 0.77 |
| Diastolic blood pressure (mmHg) | 73.1 ± 8.51 | 70.5 ± 10.5 | 0.38 |
| Heart rate (bpm) | 68.5 ± 12,1 | 67.8 ± 9.27 | 0.88 |
| Rate Pressure product | 8522 ± 2226 | 8633 ± 1340 | 0.85 |
| Baseline Tmn (s) | 0.86 ± 0.33 | 0.55 ± 0.21 | 0.002 |
| Hyperhemic Tmn (s) | 0.50 ± 0.25 | 0.16 ± 0.06 | 0.001 |
| Pa hyperhemic (mmHg) | 84.0 ± 22.3 | 90.6 ± 14.2 | 0.03 |
| Pd hyperhemic (mmHg) | 77.1 ± 12.9 | 86.8 ± 9.39 | 0.03 |
| FFR | 0.91 ± 0.04 | 0.91 ± 0.03 | 0.63 |
| CFR | 1.78 ± 0.49 | 3.48 ± 1.03 | 0.0001 |
| IMR (mmHg x s) | 29.5 (28.2–43) | 15 (10.7–17.7) | 0.0001 |
FFR: fractional flow reserve; CFR: coronary flow reserve; IMR: index of microcirculatory resistance, Pa: aortic pressure; Pd: distal coronary pressure, Tmn: mean transit time at rest