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Table 3 Plaque type at distal rim, in- bifurcation, and proximal rim of the ostium of the side branch at baseline and at 2 years follow-up and IVUS-VH derived plaque risk index

From: Assessment of plaque evolution in coronary bifurcations located beyond everolimus eluting scaffolds: serial intravascular ultrasound virtual histology study

 

Non-NC-rich plaques

NC-rich plaques

 

Segment

AIT

PIT

FC

FT

CaFA

FA

CaTCFA

TCFA

Plaque risk index*

Distal rim,BL

18 (60)

1 (3.3)

3 (10)

2 (6.7)

4 (13.3)

1 (3.3)

1 (3.3)

0 (0)

6/24 = 0.25

Distal rim, 2y

19 (63.3)

0 (0)

3 (10)

1 (3.3)

6 (20)

0 (0)

1 (3.3)

0 (0)

7/23 = 0.30

In- bifurcation, BL

21 (70)

0 (0)

5 (16.7)

1 (3.3)

2 (6.7)

1 (3.3)

0 (0)

0 (0)

3/27 = 0.11

In- bifurcation, 2y

24 (80)

0 (0)

4 (13.3)

0 (0)

2 (6.7)

0 (0)

0 (0)

0 (0)

2/28 = 0.07

Proximal rim, BL

17 (56.7)

1 (3.3)

3 (10)

3 (10)

2 (6.7)

0 (0)

2 (6.7)

1 (3.3)

5/24 = 0.21

Proximal rim, 2y

17 (58.6)

1 (3.4)

2 (6.9)

2 (6.9)

4 (13.8)

0 (0)

3 (10.3)

0 (0)

7/22 = 0.32

  1. Table footnote: AIT adaptive intimal thickening, BL baseline, CaFA calcified fibroatheroma, CaTCFA calcified thin-cap fibroatheroma, FA fibroatheroma, FC fibrocalcific plaque, FT fibrotic plaque, IVUS intravascular ultrasound, NC necrotic core, PIT pathologic intimal thickening, TCFA thin-cap fibroatheroma, VH virtual histology.
  2. * The plaque risk index is defined as the sum of NC rich vs. non-NC rich plaques.
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Cardiovascular Ultrasound

ISSN: 1476-7120

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