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Table 1 Comparison of clinical and angiographic characteristics among STEMI patients with different culprit vessel

From: Rapid predictors for the occurrence of reduced left ventricular ejection fraction between LAD and non-LAD related ST-elevation myocardial infarction

 

LAD system (n = 315)

Non-LAD system (n = 238)

EF < 55 %

EF ≥ 55 %

P

EF < 55 %

EF ≥ 55 %

P

n = 169

n = 146

n = 64

n = 174

(1) Clinical characteristics

      

 Male (%)

133 (78.7 %)

121 (82.9 %)

0.349

54 (84.4 %)

139 (79.9 %)

0.433

Age (years)

65.4 ± 11.4

60.7 ± 12.7

<0.01

67.4 ± 11.9

63.9 ± 11.3

0.034

 Hypertension (%)

98 (58.7 %)

82 (56.6 %)

0.704

40 (62.5 %)

114 (65.9 %)

0.627

 Diabetes (%)

94 (55.6 %)

68 (46.6 %)

0.098

29 (45.3 %)

79 (45.7 %)

0.961

 Stable angina history (%)

58 (34.3)

59 (40.4 %)

0.265

25 (39.1 %)

62 (35.6 %)

0.626

Time to hospital (hours)

6.0 ± 2.5

5.3 ± 2.7

<0.01

6.6 ± 2.7

5.3 ± 2.4

<0.01

 D-to-B time (minutes)

76.2 ± 27.4

74.6 ± 25.6

0.675

71.2 ± 21.3

74.3 ± 22.7

0.304

(2) Angiographic characteristics

      

 Number of disease vessels

1.8 ± 0.8

1.6 ± 0.8

0.197

2.2 ± 0.8

1.9 ± 0.8

0.061

 Multi-vessel stenosis (%)

94 (55.6 %)

66 (45.2 %)

0.065

47 (73.4 %)

100 (57.5 %)

0.025

  --two vessels disease (including culprit vessel)

56

35

 

19

51

 

  --three vessels disease (including culprit vessel)

38

31

 

28

49

 

  --LAD AMI complicated with LCX stenosis

64

46

 

--

--

 

  --LAD AMI complicated with RCA stenosis

68

51

 

--

--

 

  --non-LAD AMI complicated with LAD stenosis

--

--

 

24

48

 

 Occlusion in proximal segment (%)

101 (59.8 %)

70 (47.9 %)

0.036

21 (32.8 %)

57 (32.8)

0.994

 Slow or no reflow (%)

34 (20.1 %)

26 (17.8 %)

0.603

12 (18.8 %)

20 (11.5 %)

0.146

 Post-PCI SBP (mmHg)

114.5 ± 16.8

119.2 ± 16.7

0.014

110.7 ± 18.7

113.1 ± 16.5

0.368

 Post-PCI DBP (mmHg)

70.7 ± 9.1

72.9 ± 7.7

0.027

68.5 ± 11.0

70.9 ± 9.0

0.123

  1. LAD system STEMI in left main or left main artery or left anterior descending artery; Non-LAD system STEMI in left circumflex or right coronary artery;
  2. DBP diastolic blood pressure; D-to-B door to balloon; SBP systolic blood pressure;
  3. STEMI ST-Elevation Myocardial Infarction; Time to hospital: from chest pain on-set to diagnosis;