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Table 1 Baseline and angiographic characteristics

From: Microvascular obstruction assessed by 3-tesla magnetic resonance imaging in acute myocardial infarction is correlated with plasma troponin I levels

 

All patients

Pts MVOneg

Pts MVOpos

P

 

N = 51

N = 22 (43%)

N = 29 (57%)

 

Age - years

53.6 ± 9.9

56 ± 10

52.6 ± 9.4

0.27

Female (%)

9 (18)

4 (19)

5 (17.5)

0.93

Arterial hypertension (%)

18 (35)

7 (32)

11(38)

0.65

Diabetes mellitus (%)

11 (22)

5 (23)

6 (21)

0.86

Family history of CAD (%)

15 (29)

7 (32)

8 (27)

0.74

Current smoking

42 (82)

18 (82)

24 (83)

0.93

Hyperlipidemia (%)

21 (41)

9 (41)

12 (41)

0.97

Body mass index ≥30Kg/m 2 (%)

9 (18)

3 (14)

6 (20.6)

0.51

One vessel disease (%)

28 (55)

13 (59)

15 (52)

0.60

Multivessel disease (%)

16 (31)

7 (32)

9 (31)

0.95

Stenosis < 50% (%)

7 (14)

2 (9)

5 (17)

0.40

Anterior location (%)

18 (35)

9 (41)

9 (31)

0.46

Time from symptom onset to 1 st reperfusion therapy – hours

5.3 ± 3.2

4.7 ± 2.9

5.9 ± 3.7

0.21

Fibrinolysis (%)

14 (27)

5 (23)

9 (31)

0.73

Primary PCI (%)

37 (73)

17 (77)

20 (69)

 

Rescue PCI (%)

6 (12)

2 (9)

4 (14)

0.94

Aspirin

51 (100)

22 (100)

29 (100)

1

Clopidogrel loading dose (300/600 mg)

34/17

14/8

20/9

0.69

GP IIb-IIIa inhibitors (%)

22 (43)

8 (36)

14(48)

0.39

TnI peak (ng/mL) (range)

81 ± 71

53.6 (13–225)

118.5 (22–585)

0.0006

CK peak, U/L (range)

1985 ± 1522

1825 (63–9580)

2663 (160–9930)

0.006

CK-MB peak, U/L (range)

124 ± 132

145.6 (9–940)

189.1 (9–760)

0.09

  1. Pts MVOneg = patients without microvascular obstruction; Pts MVOpos = patients with microvascular obstruction; CAD = coronary artery disease; PCI = percutaneous coronary intervention; TnI = troponin I; CK = creatine kinase; CK-MB = creatine kinase isoenzyme myocardial and brain.