Impact of Coronary Collateral Circulation on In-Hospital Death in Patients with Inferior ST Elevation Myocardial Infarction
Table 1
Baseline clinical, echocardiographic characteristics and in-hospital therapy.
Variable
Coronary collateral circulation
value
Absent ()
Present ()
Age (years)
53.5 ± 10.1
57.5 ± 10.5
0.15
Male [ (%)]
119 (81)
71 (80)
0.90
Hypertension [ (%)]
64 (44)
37 (42)
0.82
Hyperlipidemia [ (%)]
45 (30)
23 (26)
0.35
Diabetes mellitus [ (%)]
42 (29)
20 (23)
0.25
Smoke [ (%)]
88 (60)
49 (56)
0.50
Family history of CAD [ (%)]
39 (27)
28 (32)
0.35
Previous MI [ (%)]
27 (18.4)
18 (20.5)
0.70
Time from symptoms onset to PCI (hours)
4.15 ± 1.36
4.25 ± 1.50
0.60
Door to balloon time (minutes)
65 ± 12.8
69.5 ± 13.2
0.17
Left ventricular ejection fraction (%)
41.3 ± 3.4
43.4 ± 2.9
0.08
Right ventricular fractional area change (%)
36.5 ± 4.6
38.7 ± 4.0
0.02
Tricuspid annular plane systolic
Excursion (mm) (TAPSE)
15.6 ± 2.8
17.8 ± 2.2
0.01
Right ventricular free-wall index
1.5 ± 0.5
1.2 ± 0.6
0.006
In-hospital therapy
Aspirin [ (%)]
140 (95.2)
86 (97.7)
0.35
ACEI-ARA [ (%)]
85 (58)
52 (59)
0.84
Clopidogrel [ (%)]
131 (89)
80 (91)
0.60
Ticagrelor [ (%)]
16 (11)
8 (9)
0.66
Statin [ (%)]
141 (96)
86 (98)
0.46
Glycoprotein IIb/IIIa inhibitor [ (%)]
18 (12.2)
13 (14.8)
0.58
Data are expressed as mean ± SD for normally distributed data or count (percentage) for categorical variables; ACEI-ARA: angiotensin-converting enzyme inhibitor-angiotensin II receptor antagonist; CABG: coronary artery by-pass graft; CAD: coronary artery disease; IACE: in-hospital adverse clinical events; MI: myocardial infarction; PCI: percutaneous coronary intervention.
