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Table 2 Angiographic characteristics and procedure findings (n = 61)

From: Association of culprit lesion plaque characteristics with flow restoration post-fibrinolysis in ST-segment elevation myocardial infarction: an intravascular ultrasound-virtual histology study

Variables

TIMI flow 3 (n = 30)

TIMI flow 1–2 (n = 31)

p value

Culprit vessel, n (%)

< 0.001

 LAD

13 (43.3%)

28 (90.3%)

 LCX

4 (13.3%)

1 (3.2%)

 RCA

13 (43.3%)

2 (6.5%)

Diseased vessels, n (%)

 SVD

17 (56.7%)

21 (67.7%)

0.372

 DVD

11 (36.7%)

6 (19.4%)

0.132

 TVD

2 (6.7%)

4 (12.9%)

0.671

ACC/AHA Lesion type, n (%)

0.350

 Type A

14 (46.7%)

13 (41.9%)

 Type B1

9 (30%)

10 (32.3%)

 Type B2

3 (10%)

7 (22.6%)

 Type C

4 (13.3%)

1 (3.2%)

Baseline TIMI flow grade, n (%)

< 0.001

 1

0 (0%)

6 (19.4%)

 2

0 (0%)

25 (80.6%)

 3

30 (100%)

0 (0%)

Collateral flow grade (Rentrop), n (%)

1.000

 0

30 (100%)

30 (96.8%)

 1

0 (0%)

0 (0%)

 2

0 (0%)

1 (3.2%)

 3

0 (0%)

0 (0%)

TIMI Thrombus grading, n (%)

0.662

 0

27 (90%)

24 (77.4%)

 1

2 (6.7%)

5 (16.1%)

 2

0 (0%)

0 (0%)

 3

1 (3.3%)

1 (3.2%)

 4

0 (0%)

1 (3.2%)

 5

0 (0%)

0 (0%)

CTFC (baseline angiogram)

34 (28.82–42)

50.58 (44.7–61.17)

< 0.001

Quantitative coronary angiography data

 Obstruction diameter (mm)

0.86 (0.73–1.19)

0.95 (0.73–1.31)

0.549

 Reference diameter (mm)

2.55 ± 0.38

2.56 ± 0.55

0.967

 Diameter stenosis (%)

62.20 ± 10.15

59.40 ± 15.25

0.404

 Area stenosis (%)

85.62 (78.58–91.32)

86.51 (70.29–91.07)

0.399

  1. Data are presented as mean ± SD, median (interquartile range), or n (%)
  2. LAD left anterior descending coronary artery, LCX left circumflex coronary artery, RCA right coronary artery, SVD single-vessel disease, DVD double vessel disease, TVD triple vessel disease, TIMI thrombolysis in myocardial infarction, CTFC corrected thrombolysis in myocardial infarction frame count, PCI percutaneous coronary intervention