TABLE 1.
Baseline characteristics of the patients divided by the presence of complete atrioventricular block
| All patients | Anterior STEMI | Nonanterior STEMI | |||||||
|---|---|---|---|---|---|---|---|---|---|
| CAVB (+)(n = 81) | CAVB (−)(n = 1214) | p value | CAVB (+)(n = 11) | CAVB (−)(n = 629) | p value | CAVB (+) (n = 70) | CAVB (−) (n = 585) | p value | |
| Age, years | 69 ± 14 | 66 ± 12 | .05 | 73 ± 14 | 66 ± 13 | .08 | 68 ± 14 | 66 ± 12 | .14 |
| Male, n (%) | 63 (78) | 957 (79) | .82 | 8 (73) | 499 (79) | .71 | 55 (79) | 458 (78) | .96 |
| BMI, kg/m2 | 23.7 ± 3.7 | 24.2 ± 3.6 | .24 | 23.0 ± 3.1 | 24.3 ± 3.6 | .22 | 23.9 ± 3.8 | 24.1 ± 3.6 | .58 |
| Coronary risk factor | |||||||||
| Diabetes mellitus, n (%) | 41 (51) | 592 (49) | .75 | 5 (45) | 316 (50) | .75 | 36 (51) | 276 (47) | .50 |
| Hypertension, n (%) | 54 (67) | 891 (73) | .19 | 8 (73) | 465 (74) | 1.00 | 46 (66) | 426 (73) | .21 |
| Dyslipidemia, n (%) | 64 (79) | 973 (80) | .80 | 7 (64) | 508 (81) | .24 | 57 (81) | 465 (79) | .70 |
| Current smoking, n (%) | 34 (42) | 499 (41) | .89 | 2 (18) | 240 (38) | .22 | 32 (46) | 259 (44) | .84 |
| Previous MI, n (%) | 4 (5) | 122 (10) | .13 | 1 (9) | 54 (9) | 1.00 | 3 (4) | 68 (12) | .06 |
| Previous CABG, n (%) | 2 (2) | 15 (1) | .29 | 0 (0) | 2 (1) | 1.00 | 2 (3) | 13 (2) | .74 |
| Previous stroke, n (%) | 10 (12) | 113 (9) | .37 | 2 (18) | 56 (9) | .26 | 8 (11) | 57 (10) | .66 |
| Killip class ≥2, n (%) | 23 (14) | 201 (17) | <.05 | 7 (64) | 145 (23) | <.05 | 16 (23) | 56 (10) | <.05 |
| LVEF, % | 50 ± 13 | 46 ± 11 | <.05 | 35 ± 12 | 43 ± 11 | <.05 | 52 ± 12 | 50 ± 10 | <.05 |
| Multi‐vessel disease, n (%) | 45 (56) | 623 (51) | .46 | 8 (73) | 288 (46) | .08 | 37 (53) | 335 (57) | .48 |
| Time to reperfusion, min | 232 (161–342) | 292 (197–461) | <.05 | 310 (152–494) | 292 (196–448) | .75 | 228 (167–329) | 294 (198–474) | <.05 |
| Direct transfer to ER, n (%) | 14 (17) | 59 (5) | <.05 | 2 (18) | 28 (4) | .09 | 12 (17) | 31 (5) | <.05 |
| Final TIMI flow 3, n (%) | 50 (62) | 997 (82) | <.05 | 3 (27) | 515 (82) | <.05 | 47 (67) | 482 (82) | <.05 |
| Laboratory findings | |||||||||
| eGFR, mL/min/1.73m2 | 54 ± 26 | 71 ± 26 | <.05 | 44 ± 25 | 72 ± 26 | <.05 | 56 ± 26 | 70 ± 27 | <.05 |
| Peak CPK, IU/L |
3177 (1714‐5378) |
2391 (1066‐4437) |
<.05 |
12 009 (7197‐14 286) |
2948 (1151‐5540) |
<.05 |
2618 (1381‐4352) |
1987 (976–3522) |
<.05 |
| Peak CPK‐MB, IU/L |
288 (161–521) |
238 (106–450) |
<.05 |
757 (605–1692) |
292 (115–525) |
<.05 |
275 (150–423) |
207 (99–353) |
<.05 |
Note: Data are presented as frequency (percentage) for categorical variables and as mean ± standard deviation or median (interquartile range) for continuous variables. STEMI indicates ST‐segment elevation myocardial infarction.
Abbreviations: BMI, body mass index; CAVB, complete atrioventricular block; CABG; coronary artery bypass grafting; CPK; creatine phosphokinase, CPK‐MB; creatine phosphokinase myocardial isoform; ER, emergency room; eGFR, estimated glomerular filtration rate; MI, myocardial infarction; LVEF, left ventricular ejection fraction; TIMI, thrombolysis in myocardial infarction.