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Table 4 Stent-level analysis

From: Re-endothelialisation after Synergy stent and Absorb bioresorbable vascular scaffold implantation in acute myocardial infarction: COVER-AMI study

 

Absorb (n = 10)

Synergy (n = 10)

p

N (%)

N (%)

ROI length (mm)

23.28 ± 4.25a

21.03 ± 6.39

0.366

Proximal reference lumen area (mm2)

7.94 ± 2.89

11.15 ± 3.57

0.053

Distal reference lumen area (mm2)

7.85 ± 2.96

9.65 ± 3.22

0.209

Minimal lumen area (mm2)

5.07 ± 2.00

7.73 ± 2.12

0.010

Endoluminal neointimal

17.46 ± 6.91

14.42 ± 4.72

0.266

stent/scaffold volume (mm3)

Abluminal neointimal + stent/scaffold strut volume (mm3)

44.34 ± 14.27

33.57 ± 10.94

0.074

Abluminal stent area (mm2)

7.03 ± 2.04

9.48 ± 2.47

0.027

Endoluminal stent area (mm2)

5.39 ± 1.87

8.13 ± 2.19

0.008

Malapposition volume > 0 mm3

2 (20%)

3 (30%)

1.000

Stent/scaffold with > 30% area stenosis

3 (30%)

0 (0%)

0.211

% area stenosis

18.4 + 15.8

7.6 ± 7.5

0.067

Neointimal thickness (mm)

0.04 (0.03–0.05)b

0.05 (0.04–0.06)

0.385

Maximal neointimal thickness (mm)

0.209 (0.173–0.245)

0.220 (0.140–0.260)

0.880

Maximal in-stent/scaffold obstruction (%)

11.5 (10–13)

11.5 (10–14)

0.970

In-stent/scaffold obstruction (%)

7.89 (6.84–9.42)

6.98 (6.26–7.33)

0.112

Neointima

 Homogeneous

6 (60%)

30 (30%)

 

 Heterogeneous

4 (40%)

70 (70%)

0.370

 Disrupted stent/scaffold

1 (10%)

0

1.000

  1. aMean ± standard deviation
  2. bMedian (interquartile range)
  3. ROI region of interest