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Table 3 OCT analysis

From: Mechanical properties of the everolimus-eluting bioresorbable vascular scaffold compared to the metallic everolimus-eluting stent

 

BVS (n = 40)

EES (n = 40)

P-value

Plaque type distal stent ending

   

Lipid rich, n (%)

21 (53)

20 (50)

 

Fibrous, n (%)

17 (42)

15 (38)

0.493

Fibro-calcific, n (%)

2 (5)

5 (12)

 

Plaque type proximal stent ending

   

Lipid rich, n (%)

23 (58)

15 (38)

 

Fibrous, n (%)

8 (20)

12 (30)

0.114

Fibro-calcific, n (%)

9 (22)

13 (32)

 

Plaque type MLA

   

Lipid rich, n (%)

20 (50)

18 (45)

 

Fibrous, n (%)

8 (20)

8 (20)

0.826

Fibro-calcific, n (%)

8 (20)

12 (30)

 

Plaque rupture - hematoma, n (%)

4 (10)

2 (5)

 

Reference vessel area distal, mm2

6.40 ± 2.11

6.49 ± 2.57

0.879

Reference vessel diameter distal, mm

2.78 ± 0.49

2.80 ± 0.64

0.854

Reference vessel area proximal, mm2

8.98 ± 2.55

9.43 ± 4.15

0.560

Reference vessel diameter proximal, mm

3.37 ± 0.51

3.44 ± 0.76

0.631

Reference vessel area, mm2

7.69 ± 2.17

7.96 ± 3.30

0.668

Reference vessel diameter, mm

3.07 ± 0.44

3.09 ± 0.62

0.834

Distal stent ending area, mm2

6.77 ± 2.34

6.97 ± 2.75

0.721

Distal stent ending diameter, mm

2.88 ± 0.53

2.92 ± 0.56

0.750

Proximal stent ending area, mm2

7.48 ± 2.35

8.62 ± 3.51

0.092

Proximal stent ending diameter, mm

3.04 ± 0.49

3.25 ± 0.63

0.102

Difference nominal diameter-proximal stent ending diameter, mm

0.19 ± 0.37

- 0.18 ± 0.52

<0.001

Mean stent area, mm2

7.12 ± 2.20

7.79 ± 2.30

0.257

Mean stent diameter, mm

2.96 ± 0.48

3.08 ± 0.57

0.984

Minimal lumen area, mm2

6.38 ± 2.00

6.42 ± 2.42

0.662

Minimal stent diameter, mm

2.46 ± 0.43

2.53 ± 0.54

0.537

Maximal stent diameter, mm

3.53 ± 0.52

3.31 ± 0.64

0.085

Stent eccentricity index

0.69 ± 0.08

0.76 ± 0.09

<0.001

Stent symmetry index

0.30 ± 0.09

0.23 ± 0.09

<0.001

RAS, %

16.99 ± 12.86

17.70 ± 11.50

0.795

Rate of ISA, %

3.4 ± 1.9

2.9 ± 1.9

0.720

Underexpansion, n (%)

12 (30)

14 (35)

0.812

Underexpansion & hematoma, n (%)

1 (3)

1 (3)

1.000

Stent fracture, n (%)

3 (8)

0

0.241

  1. ISA Incomplete Stent Apposition, MLA Minimal Lumen Area, RAS Residual Area Stenosis