In Acute ST-Segment Elevation Myocardial Infarction, Coronary Wedge Pressure Is Associated with Infarct Size and Reperfusion Injury as Evaluated by Cardiac Magnetic Resonance Imaging
Table 3
Patients’ characteristics according to the mean CWP 24.5 mmHg cutoff for infarct size.
Parameter
CWP ≤24.5 mmHg (n = 8)
CWP >24.5 mmHg (n = 27)
value
Age (years), mean ± SD
54 ± 18.63
60.11 ± 9.14
0.39
Males, n (%)
6 (75)
13 (48)
0.18
Smokers, n (%)
4 (50)
12 (44.44)
0.79
BMI (kg/m2), median (Q1–Q3)
25.64 (24.40–29.49)
26.79 (25.25–31.24)
0.51
Arterial hypertension, n (%)
2 (25)
15 (55.55)
0.13
Systolic BP, mean ± SD
125.12 ± 25.35
135.37 ± 20.37
0.36
Diastolic BP, mean ± SD
78.75 ± 16.42
80.62 ± 18.04
0.78
Heart rate (beats/min), mean ± SD
75 ± 11.30
78.66 ± 11.93
0.44
Diabetes mellitus, n (%)
3 (37.50)
8 (29.60)
0.70
Glycaemia (mg/dl), median (Q1–Q3)
140.50 (123.25–206.25)
143.30 (119–223)
0.86
Peak troponin T value (ng/ml), median (Q1–Q3)
3.63 (2.01–5.13)
2.38 (1.56–3.72)
0.19
Total ischemic time (min), median (Q1–Q3)
300 (195–300)
300 (180–540)
0.54
Rentrop grade <2, n (%)
8 (100)
20 (77.14)
0.01
Left ventricular mass/BSA, mean ± SD
60.41 ± 9.24
65.95 ± 15.28
0.33
Infarct size (% of LV mass), mean ± SD
22.32 ± 9.89
12.17 ± 7.90
0.005
Edema (% of LV mass), mean ± SD
38.92 ± 13.45
28.41 ± 10.82
0.02
MVO (% of LV mass), median (Q–Q3)
0.50 (0.01–6.17)
0.19 (0.00–1.36)
0.21
IMH (% of LV mass), median (Q1–Q3)
0.86 (0.00–3.00)
0 (0.00–0.02)
0.03
LVESV (ml), mean ± SD
84.82 ± 28.67
72.63 ± 28.70
0.31
LVEDV (ml), mean ± SD
159.12 ± 24.43
140.25 ± 43.16
0.13
LVEF (%), mean ± SD
47.51 ± 12.49
49.03 ± 9.41
0.75
BMI = body mass index; BP = blood pressure; BSA = body surface area; IMH = intramyocardial hemorrhage; LV = left ventricle; LVEF = left ventricular ejection fraction; LVEDV = left ventricular end-diastolic volume; LVESV = left ventricular end-systolic volume; MVO = microvascular obstruction; n = number; Q1 = 1st quartile; Q3 = 3rd quartile; and SD = standard deviation.
