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. Author manuscript; available in PMC: 2024 Jan 11.
Published in final edited form as: Circ J. 2021 Apr 7;85(10):1806–1813. doi: 10.1253/circj.CJ-20-0862

Table 2 –

Thrombus characteristics on a thrombus-region level

Variable Plaque rupture (n=15) Stent thrombosis (n=2) Plaque erosion (n=1) Fresh thrombus (n = 18) Healing coronary thrombus (n=8) P value
Culprit lesion 13 (87) 2 (100) 0 (0) 15 (83) 2 (25) 0.004
Ischemic time (hours)* 24 (15–57) 49 (2− ) - 24 (12–65) 169 (144−) 0.0001
Mean lumen area 2.80 (1.91–4.40) 6.34 (6.00−) 2.01 3.24 (1.98–5.16) 5.53 (3.00–7.41) 0.068
Minimum lumen area 1.31 (0.99–2.57) 4.96 (4.74−) 1.55 1.84 (1.04–3.08) 3.36 (1.89–6.32) 0.095
Maximum lumen area 4.52 (3.03–7.47) 7.59 (5.51−) 2.60 4.83 (3.00–7.52) 8.03 (4.24–12.86) 0.055
Thrombus volume (mm3) 1.59 (1.05–3.20) 1.74 (1.21−) 0.22 1.48 (0.90–2.59) 2.8 (2.06–13.59) 0.074
Birefringence (Δn) 0.26 (0.17–0.31) 0.16 (0.12−) 0.25 0.25 (0.17–0.29) 0.47 (0.37–0.72) 0.007
Birefringence (Δn) staging
 <0.25 7 (47) 2 (100) 0 (0) 9 (50) 0 (0) 0.023
 0.25 – 0.40 7 (47) 0 (0) 1 (100) 8 (44) 2 (25) 0.420
 >0.40 1 (6) 0 (0) 0 (0) 1 (6) 6 (75) 0.001
Depolarization 0.06 (0.05–0.08 0.16 (−0.28) 0.20 0.06 (0.05–0.12) 0.07 (0.05–0.08) 0.337

Values are median (IQR) or n (%).

#

fresh thrombus is comprised of plaque ruptures, erosions and stent thrombosis

*

only for thrombus-regions located in culprit lesions,

fresh thrombus as compared to healing coronary thrombus.