Table 3.
Characteristics of echocardiographic and CCTA parameters stratified by microvascular complications in 222 patients
| No microvascular complications (n = 111) | 1 microvascular complications (n = 75) | 2–3 microvascular complications (n = 36) | p | |
|---|---|---|---|---|
| Echocardiography | ||||
| LVEF (%) | 56 ± 5 | 54 ± 6 | 55 ± 5 | ns |
| GLS (%) | − 16.4 ± 2.5 | − 16.0 ± 2.5 | − 14.9 ± 2.8 | 0.01 |
| LAVI (ml/m2) | 22 ± 7 | 23 ± 7 | 21 ± 5 | ns |
| LVMI (g/m2) | 71 ± 23 | 77 ± 21 | 71 ± 19 | ns |
| e’ (cm/sec) | 0.09 ± 0.02 | 0.09 ± 0.05 | 0.08 ± 0.02 | 0.03 |
| IVRT (msec) | 82 ± 20 | 84 ± 17 | 83 ± 17 | ns |
| E/e’ | 9.2 ± 2.9 | 9.7 ± 3.1 | 10.0 ± 2.7 | ns |
| E/A | 1.1 ± 0.3 | 1.0 ± 0.3 | 0.9 ± 0.3 | ns |
| DCT (msec) | 221 ± 56 | 221 ± 53 | 209 ± 44 | ns |
| Computed tomography | ||||
| CAC [IQR] | 39 [0–239] | 22 [0–180] | 130 [30–720] | ns* |
| PB (%) | 20 ± 17 | 22 ± 16 | 27 ± 18 | ns |
| PB LAD/LM (%) | 36 ± 11 | 35 ± 9 | 40 ± 11 | ns |
| PB RCA (%) | 26 ± 8 | 27 ± 10 | 30 ± 11 | ns |
| PB CX (%) | 33 ± 12 | 31 ± 11 | 37 ± 13 | ns |
CCTA coronary computed tomography angiography; ns not significant; LVEF left ventricular ejection fraction; GLS global longitudinal strain; LAVI left atrial volume indexed; LVMI left ventricular mass indexed; e’ tissue Doppler average early diastolic mitral annulus velocity; IVRT tissue Doppler average isovolumetric relaxation time; E/é ratio of transmitral Doppler early peak velocity (E) and tissue Doppler average early diastolic mitral annulus velocity (e'); E/A ratio of transmitral Doppler early peak velocity (E) and transmitral Doppler peak late velocity (A); DCT deceleration time; CAC coronary artery calcium; IQR interquartile range; PB plaque burden; LAD/LM left anterior descending coronary artery/left main; RCA right coronary artery; CX circumflex artery
*Comparison of medians between patients with and without microvascular complications