Introduction
Methods
Study population
Determination of ST-elevation myocardial infarction
Determination of QT interval and QT interval dispersion
Reperfusion therapy
Statistical methods of analyzing results
Results
Total (n = 185) | Primary PCI (n = 70) | SK (n = 115) | P-value* | |
---|---|---|---|---|
Age | 62.50 ± 13.90 | 62.10 ± 12.82 | 0.40 | |
Sex | ||||
Male | 137 (74.1) | 57 (81.4) | 80 (69.6) | 0.74 |
Female | 48 (25.9) | 13 (18.6) | 35 (30.4) | |
Hypertension | ||||
Yes | 71 (38.4) | 25 (35.7) | 46 (40.0) | 0.56 |
No | 114 (61.6) | 45 (64.3) | 69 (60.0) | |
Diabetes | ||||
Yes | 31 (16.8) | 8 (11.4) | 23 (20.0) | 0.13 |
No | 154 (83.2) | 62 (88.6) | 92 (80.0) | |
Hyperlipidemia | ||||
Yes | 50 (27.0) | 24 (34.3) | 26 (22.6) | 0.08 |
No | 135 (73.0) | 46 (65.7) | 89 (77.4) | |
Smoking | ||||
Yes | 42 (22.7) | 16 (22.9) | 26 (22.6) | 0.96 |
No | 143 (77.3) | 54 (77.1) | 89 (77.4) | |
History of CAD | ||||
Yes | 12 (6.48) | 4 (5.71) | 8 (6.95) | 0.77 |
No | 160 (93.52) | 66 (94.29) | 107 (93.05) | |
Heart failure, (EF < 60%) | ||||
Yes | 27 (15.4) | 7 (10.9) | 20 (18.0) | 0.21 |
No | 148 (84.6) | 57 (89.1) | 91 (82.0) |
Frequency | Mean | Standard deviation | 95% CI | P-value* | ||
---|---|---|---|---|---|---|
PCI | ||||||
VT | 8 | 10.00 | 35.45 | − 19.64 | 39.64 | 0.022 |
VF | 2 | − 20.00 | 28.28 | − 274.12 | 234.12 | |
VT and VF | 1 | − 120.00 | – | – | – | |
Total | 11 | − 7.27 | 50.01 | − 40.87 | 26.32 | |
SK | ||||||
VT | 12 | − 6.66 | 33.39 | − 14.55 | 27.88 | 0.489 |
VF | 3 | − 13.33 | 46.18 | − 128.07 | 101.40 | |
VT and VF | 2 | − 20.00 | 28.28 | − 274.12 | 234.12 | |
Total | 17 | 0.00 | 34.64 | − 17.81 | 17.81 |
Frequency | Mean | Standard deviation | 95% CI | P-value* | ||
---|---|---|---|---|---|---|
PCI | ||||||
Anterior | 39 | 2.05 | 47.63 | − 13.39 | 17.49 | 0.887 |
Posterior | 1 | – | – | – | – | |
Inferior | 28 | − 11.42 | 76.86 | − 41.23 | 18.37 | |
Lateral | 1 | 0.00 | – | – | – | |
Different sites | 1 | − 40.00 | – | – | – | |
Total | 70 | − 4.00 | 60.20 | − 18.35 | 10.35 | |
SK | ||||||
Anterior | 51 | − 1.56 | 53.04 | − 16.48 | 13.34 | 0.817 |
Posterior | 3 | 26.66 | 46.18 | − 88.07 | 141.78 | |
Inferior | 48 | 1.66 | 45.16 | − 11.44 | 14.78 | |
Lateral | 1 | 0.00 | – | – | – | |
Different sites | 12 | − 10.00 | 34.64 | − 32.00 | 12.00 | |
Total | 115 | − 0.34 | 47.53 | − 9.12 | 8.43 |
Mean | Standard deviation | t | P-value* | |
---|---|---|---|---|
PCI | ||||
Before treatment | 63.76 | 51.93 | 0.55 | 0.580 |
After treatment | 59.71 | 28.79 | ||
SK | ||||
Before treatment | 60.86 | 36.83 | 0.08 | 0.934 |
After treatment | 60.52 | 32.81 | ||
PCI | − 4.00 | 60.20 | − 0.45 | 0.934 |
SK | − 0.34 | 47.53 |