Echocardiographic Abnormalities Present on Admission and on Follow-up at 2 Weeks, 8 Weeks, and 6 Months
| Echocardiogram Findings . | Acute (n = 50) . | 2 wk (n = 47) . | 8 wk (n = 42) . | 6 mo (n = 24) . |
|---|---|---|---|---|
| Any coronary abnormality, n (%) | 26 (52) | 13 (27) | 5 (14) | 0 |
| LMCA z score | 0.38 ± 1.1 | −0.14 ± 0.92 | −0.40 ± 0.88* | −0.41 ± 0.92* |
| LAD z score | 0.62 ± 1.24 | −0.21 ± 1.12 | −0.85 ± 0.82* | −0.84 ± 0.72* |
| RCA z score | −0.14 ± 1.25 | −0.48 ± 0.84 | −0.77 ± 0.76* | −0.99 ± 0.78* |
| LAD/RCA z score ≥2.5, n (%) | 8 (16) | 2 (4) | 0 | 0 |
| LAD/RCA z score 2–2.49, n (%) | 4 (8) | 1 (2) | 0 | 0 |
| Lack of tapering (z score <2), n (%) | 14 (28) | 10 (21) | 5 (14) | 0 |
| Any LV systolic dysfunction, n (%) | 26 (52) | 1 (2) | 0 | 0 |
| LVEF (mean, SD) | 54 ± 9 | 64 ± 4 | 62 ± 4* | 62 ± 3* |
| Mild (LVEF 45%–54%), n (%) | 15 (30) | 1 (20) | 0 | 0 |
| Moderate (LVEF 35%–44%), n (%) | 11 (22) | 0 | 0 | 0 |
| Severe (LVEF <35%), n (%) | 0 | 0 | 0 | 0 |
| Diastolic dysfunction, n (%) | 16 (32) | 5 (11) | 4 (9) | 1 (4) |
| Echocardiogram Findings . | Acute (n = 50) . | 2 wk (n = 47) . | 8 wk (n = 42) . | 6 mo (n = 24) . |
|---|---|---|---|---|
| Any coronary abnormality, n (%) | 26 (52) | 13 (27) | 5 (14) | 0 |
| LMCA z score | 0.38 ± 1.1 | −0.14 ± 0.92 | −0.40 ± 0.88* | −0.41 ± 0.92* |
| LAD z score | 0.62 ± 1.24 | −0.21 ± 1.12 | −0.85 ± 0.82* | −0.84 ± 0.72* |
| RCA z score | −0.14 ± 1.25 | −0.48 ± 0.84 | −0.77 ± 0.76* | −0.99 ± 0.78* |
| LAD/RCA z score ≥2.5, n (%) | 8 (16) | 2 (4) | 0 | 0 |
| LAD/RCA z score 2–2.49, n (%) | 4 (8) | 1 (2) | 0 | 0 |
| Lack of tapering (z score <2), n (%) | 14 (28) | 10 (21) | 5 (14) | 0 |
| Any LV systolic dysfunction, n (%) | 26 (52) | 1 (2) | 0 | 0 |
| LVEF (mean, SD) | 54 ± 9 | 64 ± 4 | 62 ± 4* | 62 ± 3* |
| Mild (LVEF 45%–54%), n (%) | 15 (30) | 1 (20) | 0 | 0 |
| Moderate (LVEF 35%–44%), n (%) | 11 (22) | 0 | 0 | 0 |
| Severe (LVEF <35%), n (%) | 0 | 0 | 0 | 0 |
| Diastolic dysfunction, n (%) | 16 (32) | 5 (11) | 4 (9) | 1 (4) |
Significant difference (P < .05).