Table 2 Lesion characteristics and procedural data in ACS and non-ACS patients

Number of lesions

471

353

118

–

Target vessel

 LAD

193 (41.0 %)

154 (42.2 %)

39 (36.8 %)

0.128

 LCX

126 (26.8 %)

91 (24.9 %)

35 (33.0 %)

 RCA

94 (20.0 %)

69 (18.9 %)

25 (23.6 %)

 Ramus intermedius

19 (4.0 %)

17 (4.7 %)

2 (1.9 %)

 Other

39 (8.9 %)

34 (9.3 %)

5 (4.7 %)

Lesion characteristics

 Total occlusion

43 (9.1 %)

27 (7.4 %)

16 (15.1 %)

0.015

 Chronic total occlusion

16 (3.4 %)

13 (3.6 %)

3 (2.8 %)

0.714

 Thrombus burden

15 (3.2 %)

1 (0.3 %)

14 (13.2 %)

<0.001

 Diffuse vessel disease

200 (57.5 %)

156 (42.7 %)

44 (41.5 %)

0.822

 Calcification

112 (23.8 %)

83 (22.7 %)

29 (27.4 %)

0.325

 Vein graft

9 (1.9 %)

8 (2.2 %)

1 (0.9 %)

0.409

 Ostial lesion

48 (10.2 %)

35 (9.6 %)

13 (12.3 %)

0.423

 Bifurcation lesion

45 (9.6 %)

35 (9.6 %)

10 (9.4 %)

0.962

 Severe tortuosity

45 (9.6 %)

32 (8.8 %)

13 (12.3 %)

0.281

 AHA/ACC type B2/C lesion

182 (38.6 %)

133 (36.4 %)

49 (46.2 %)

0.068

 Reference diameter (mm)

2.14 ± 0.35

2.14 ± 0.35

2.15 ± 0.36

0.973

 Lesion length

15.5 ± 7.0

15.5 ± 7.3

15.6 ± 5.9

0.926

 Degree of stenosis (%)

85.3 ± 11.2

84.5 ± 11.4

88.5 ± 10.2

0.001

Procedural data

 Predilation device diameter (mm)

2.02 ± 0.25

2.01 ± 0.24

2.04 ± 0.29

0.303

 Predilatation device length (mm)

15.6 ± 4.5

15.7 ± 4.6

15.5 ± 4.3

0.655

 Predilatation device pressure (atm)

11.8 ± 3.1

11.8 ± 3.2

11.7 ± 3.1

0.941

 DEBs used

478

371

107

–

 DEBs per patient

1.07 ± 0.29

1.08 ± 0.32

1.03 ± 0.17

0.114

 DEB diameter (mm)

2.33 ± 0.31

2.32 ± 0.30

2.37 ± 0.32

0.138

 DEB length (mm)

19.2 ± 4.5

19.2 ± 4.5

18.8 ± 4.3

0.425

 DEB inflation pressure (atm)

11.0 ± 3.4

10.9 ± 2.8

11.3 ± 4.9

0.352

 DEB inflation time (s)

48.5 ± 15.9

48.5 ± 16.0

48.6 ± 15.6

0.982

 Additional stent

34 (7.2 %)

24 (6.5 %)

10 (9.3 %)

0.308

 Overall technical success per used device (n = 478)

473 (99.0 %)

368 (99.2 %)

105 (98.1 %)

0.342