Table 2: Cardiac Magnetic Resonance Imaging and Invasive Coronary Reactivity Testing of Symptomatic Women with no Obstructive CAD.
|
Variables |
Adenosine (n=99) |
Regadenoson (n=40) |
p-value |
|
Cardiac Magnetic Resonance Imaging |
|||
|
LV mass (g) |
93 ± 18 |
98 ± 14 |
0.03 |
|
Late Gadolinium Enhancement |
3 (3.09%) |
1 (2.63%) |
1 |
|
LV end-diastolic volume (mL) |
124 ± 25 |
128 ± 25 |
0.35 |
|
Mass/volume ratio |
0.77 ± 0.14 |
0.79 ± 0.19 |
0.56 |
|
Ejection fraction (%) |
68 ± 7 |
68 ± 7 |
0.83 |
|
Invasive Coronary Reactivity Testing |
|||
|
CFR |
2.64 ± 0.62 |
2.94 ± 0.68 |
0.01 |
|
ΔCBF (%) |
83 ± 102 |
67 ± 72 |
0.71 |
|
ΔACH (%) |
2.2 ± 13 |
-0.83 ± 15 |
0.49 |
|
ΔNTG (%) |
17 ± 13 |
14 ± 14 |
0.17 |
mean ± standard deviation, or n (%)
LV= left ventricular, CFR= coronary flow reserve to intracoronary adenosine, ΔCBF= change in coronary blood flow in response to acetylcholine, ΔACH= change in epicardial diameter in response to acetylcholine, ΔNTG= change in epicardial diameter in response to nitroglycerin.