Table 2.
Electrocardiogram, echocardiography, angiography and laboratory parameters
| TTC n = 95 (SD) |
Anterior STEMI n = 101 (SD) |
p | |
|---|---|---|---|
| Electrocardiogram | |||
| – Rhythm on admission | |||
| Sinus rhythm | 91.5 % | 86.1 % | 0.232 |
| Atrial fibrillation | 5.3 % | 13.9 % | 0.042 |
| Pacemaker rhythm | 3.2 % | 0.0 % | 0.084 |
| – Conduction disorders | 17.9 % | 24.8 % | 0.240 |
| LBBB/RBBB | 6.3 % | 9.92 % | 0.355 |
| LBBB | 4.2 % | 2.0 % | 0.372 |
| RBBB | 2.1 % | 7.92 % | 0.064 |
| Left anterior hemiblock | 8.4 % | 10.9 % | 0.554 |
| First-degree atrioventricular block | 3.2 % | 4.95 % | 0.537 |
| – ST elevation | 54.7 % | 100 % | <0.0001 |
| – ST depression | 4.2 % | 2.0 % | 0.372 |
| – T-wave inversion | 23.2 % | 2.0 % | <0.0001 |
| – Deep T‑wave inversion (after a few days) | 92.2 % | 66.3 % | <0.0001 |
| – QT on admission (ms) | 406.7 (50.08) | 395.04 (45.16) | 0.156 |
| – QTc on admission (ms) | 468.86 (38.66) | 465.59 (28.07) | 0.561 |
| – QT after a few days | 449.72 (57.73) | 414.45 (48.48) | 0.0002 |
| – QTc after a few days | 476.73 (84.49) | 469.87 (30.85) | 0.494 |
| Echocardiography/ventriculography | |||
| – Left ventricular ejection fraction (%) | |||
| EF on admission (%) | 39.9 (9.9) | 35.1 (9.8) | 0.001 |
| EF after a few days – mean 4 (%) | 48.8 (9.9) | – | – |
| – Left ventricular diameter on admission (mm) | 47.6 (4.8) | 45.8 (5.2) | 0.014 |
| – Apical variant of TTC | 99 % | – | – |
| – Midventricular variant of TTC | 1.05 % | – | – |
| Coronarography | |||
| No atherosclerotic changes in coronary arteries | 44.2 % | – | – |
| Insignificant stenosis | 55.8 % | 3.0 %a | – |
| Significant stenosis | – | 95 %a | – |
| Laboratory parameters | |||
| – Haemoglobin (mg/dl) | 13.35 (1.63) | 13.10 (1.35) | 0.236 |
| – Erythrocytes (mln/μl) | 4.49 (0.65) | 4.40 (3.68) | 0.263 |
| – Haematocrit (%) | 39.54 (6.13) | 39.36 (3.68) | 0.808 |
| – Leukocytes (thousands/μl) | 9.73 (3.96) | 12.17 (4.18) | <0.0001 |
| – Platelets (thousands/μl) | 245.59 (93.32) | 243.73 (76.77) | 0.055 |
| – Creatinine (mg/dl) | 0.90 (0.37) | 1.02 (0.65) | 0.121 |
| – eGFR MDRD | 74.52 (27.21) | 64.30 (22.28) | 0.004 |
| – ASAT (IU/l) | 48.79 (35.13) | 80.01 (107.71) | 0.027 |
| – ALAT (IU/l) | 31.48 (34.26) | 39.94 (55.49) | 0.277 |
| – Creatine kinase (IU/l) | 435.62 (940.52) | 1966.37 (2378.18) | <0.0001 |
| – CK-MB (IU/l) | 50.15 (72.39) | 280.76 (318.5) | <0.0001 |
| – Troponin I, mean concentration (ng/ml) | 5.32 (11.66) | 27.27 (20.98) | <0.0001 |
| – Glycaemia on admission (mg/dl) | 126.85 (47.35) | 180.83 (87.08) | <0.0001 |
| – Total cholesterol (mg/dl) | 182.07 (41.27) | 209.51 (50.14) | 0.0001 |
| – Low-density lipoprotein (mg/dl) | 110.50 (38.12) | 140.40 (46.83) | <0.0001 |
| – High-density lipoprotein (mg/dl) | 52.35 (17.48) | 50.21 (17.94) | 0.425 |
| – Triglycerides (mg/dl) | 98.71 (52.12) | 104.65 (68.29) | 0.520 |
| – Fibrinogen (mg/dl) | 409.53 (160.08) | 462.66 (147.90) | 0.033 |
LBBB left bundle branch block, RBBB right bundle branch block, TTC takotsubo cardiomyopathy
aIn two patients with anterior STEMI, coronary angiography was not carried out and they were treated conservatively due to a long delay between the onset of chest pain and hospital admission