Table 4

Infarct-Related Parameters in STEMI Patients

Subgroup With IS%LV Above the Median (n = 17)Subgroup With IS%LV Below the Median (n = 17)p Value
Duration of symptoms to reperfusion, min124 ± 8688 ± 500.17
Peak CK-MB, U/l280 ± 13066 ± 87<0.001
TIMI flow grade III post-PCI17 (100)17 (100)1.00
cTFC26.7 ± 8.923.9 ± 12.80.47
<70% ST segment resolution post-PCI10 (59)7 (41)0.30
Hemodynamic parameters
 Heart rate, beats/min73.6 ± 14.177.2 ± 17.50.53
 Mean arterial pressure, mm Hg83.9 ± 11.683.2 ± 14.80.87
 b-APV, cm/s20.9 ± 8.021.7 ± 13.90.84
 h-APV, cm/s29.7 ± 11.042.5 ± 22.70.04
 CFR1.5 ± 0.42.2 ± 1.20.02
 Nonculprit b-APV, cm/s16.1 ± 5.419.7 ± 9.80.19
 Nonculprit h-APV, cm/s26.2 ± 6.742.2 ± 18.40.004
 Nonculprit CFR1.7 ± 0.52.3 ± 0.80.02
Cardiac MRI parameters
 LVEDV, ml191 ± 31176 ± 590.36
 LVESV, ml104 ± 2585 ± 510.18
 LVEF, %46.0 ± 6.453.9 ± 8.90.01
 IS%LV27.1 ± 7.97.9 ± 4.7<0.001
 Presence of microvascular injury15 (88)3 (8)<0.001
 Myocardial salvage index, %30.1 ± 21.763.9 ± 19.6<0.001

Values are mean ± SD or n (%).

CK-MB = creatine-myocardial band; cTFC = corrected TIMI frame count; IS%LV = infarct size percentage of left ventricle; LVEDV = left ventricular end-diastolic volume; LVEF = left ventricular ejection fraction; LVESV = left ventricular end-systolic volume; MRI = magnetic resonance imaging; PCI = percutaneous coronary intervention; TIMI = Thrombolysis In Myocardial Infarction; other abbreviations as Tables 1 and 2.