Table 2.
Factors associated with revascularization after SCAD.
| Revascularization (n = 51) |
Conservative management (n = 106) |
p-value | |
|---|---|---|---|
| Clinical characteristics | |||
| Age, years | 42.3 ± 10.2 | 49.2 ± 11.4 | < 0.001 |
| Women | 48 (94.1) | 97 (91.5) | 0.56 |
| White race | 39 (79.6) | 82 (82.8) | 0.63 |
| BMI, kg/m2 | 27.1 ± 6.8 | 28.1 ± 6.8 | 0.45 |
| PSCAD | 14 (28.0) | 13 (12.4) | 0.02 |
| Medicaid insurance | 7 (15.2) | 4 (3.9) | 0.015 |
| Clinical presentation | |||
| STEMI | 15 (29.4) | 24 (22.6) | 0.36 |
| EF < 50% a | 18 (47.4) | 23 (24.2) | 0.09 |
| Regional wall motion abnormalities b | 22 (64.7) | 66 (71.0) | 0.50 |
| Coronary territory | |||
| L main | 8 (16.3) | 0 (0.0) | < 0.001 |
| LAD | 37 (75.5) | 59 (55.7) | 0.02 |
| LCx | 9 (18.4) | 36 (34.0) | 0.05 |
| RCA | 7 (14.3) | 15 (14.2) | 0.98 |
| Multiple territories | 9 (18.4) | 4 (3.8) | 0.002 |
Data presented as n (%) or mean ± SD.
Bold p-values were statistically significant (p<0.05)
a
Ejection fraction data available for 133 patients.
b
Wall motion abnormality data available for 127 patients.
BMI, body mass index; EF, ejection fraction; LAD, left anterior descending artery; LCx, left circumflex artery; L main, left main coronary artery; PSCAD, pregnancy-associated SCAD; RCA, right coronary artery; SCAD, spontaneous coronary artery dissection; STEMI, ST elevation myocardial infarction.