Table 3.
Percent Diameter Stenosis | |||||
---|---|---|---|---|---|
<50% n=16 |
50–69% n=9 |
70–89% n=6 |
>90% n=7 |
p-val | |
MBF (ml/g /min) | |||||
Rest | 0.9, IQ: 0.8–1.1 | 0.9, IQ: 0.7–1.1 | 0.9, IQ: 0.7–0.9 | 0.9, IQ: 0.8–1.1 | 0.9 |
Corrected | 1.1, IQ: 0.9–1.3 | 0.9 IQ: 0.9–1.1 | 0.8, IQ: 0.8–1.0 | 0.9, IQ: 0.7–1.1 | 0.08 |
Dypiridamole | 1.8, IQ: 1.7–2.2 | 1.4, IQ: 1.2–1.7 | 0.9, IQ: 0.8–1.2 | 0.7, IQ: 0.6–0.8 | <0.00 |
CVR | 1.9, IQ: 1.7–2.7 | 1.7, IQ: 1.4–2.0 | 1.0, IQ: 1.0–1.3 | 0.8, IQ: 0.7–0.9 | <0.00 |
MCR (mmHg/mL/g/min) | |||||
Dipyridamole | 50, IQ: 42–58 | 64, IQ: 54–69 | 81, IQ: 72–118 | 132, IQ: 121–161 | <0.00 |
MBF: Myocardial Blood Flow, CVR: Coronary vasodilator reserve, MCR: Minimal Coronary resistance.
All pairwise group comparisons were significant at p<0.03.
All pairwise group comparisons were significant at p<0.02.