Table 2

Quantitative and Qualitative Angiographic Findings at Baseline and After Procedure

Tryton Stent
(N = 355)
Provisional
(N = 349)
p Value
Main branch
 Baseline
 Reference vessel diameter, mm2.91 ± 0.362.91 ± 0.350.82
 Minimal lumen diameter, mm0.99 ± 0.371.01 ± 0.350.51
 Diameter stenosis, %66.16 ± 11.8765.46 ± 11.100.42
 Lesion length, mm16.8 ± 7.316.0 ± 6.80.11
 Thrombus3/354 (0.8)4/349 (1.1)0.72
 Tortuosity0.007
 Moderate0/354 (0.0)5/349 (1.4)
 Severe0/354 (0.0)2/349 (0.6)
 Calcification0.04
 Moderate48/354 (13.6)59/349 (16.9)
 Severe10/354 (2.8)19/349 (5.4)
 Post-procedure
 Reference vessel diameter, mm2.99 ± 0.372.97 ± 0.360.70
 In-segment minimal lumen diameter, mm2.34 ± 0.372.36 ± 0.360.52
 In-segment diameter stenosis, %21.60 ± 7.8220.61 ± 8.000.10
 In-stent minimal lumen diameter, mm2.71 ± 0.382.70 ± 0.340.79
 In-stent diameter stenosis, %9.33 ± 7.438.97 ± 7.540.53
 In-segment acute gain, mm1.41 ± 0.441.35 ± 0.450.27
 In-stent acute gain, mm1.76 ± 0.441.67 ± 0.390.058
Side branch
 Baseline
 Reference vessel diameter, mm2.25 ± 0.302.21 ± 0.330.09
 Minimal lumen diameter, mm0.95 ± 0.341.02 ± 0.340.009
 Diameter stenosis, %58.00 ± 14.2854.01 ± 14.46<0.001
 Lesion length, mm4.8 ± 1.64.4 ± 1.1<0.001
 Thrombus1/354 (0.3)3/349 (0.9)0.37
 Tortuosity0.15
 Moderate0/354 (0.0)0/348 (0.0)
 Severe0/354 (0.0)2/348 (0.6)
 Calcification0.81
 Moderate20/354 (5.6)18/348 (5.0)
 Severe4/354 (1.1)7/348 (2.0)
 Angulation, °0.009
 0–45293/354 (82.8)258/348 (74.1)
 >45–9044/354 (12.4)74/348 (21.3)
 >9017/354 (4.8)16/348 (4.6)
 Post-procedure
 Reference vessel diameter, mm2.31 ± 0.332.25 ± 0.330.008
 In-segment minimal lumen diameter, mm2.04 ± 0.371.56 ± 0.43<0.001
 In-segment diameter stenosis, %11.98 ± 9.6430.51 ± 17.19<0.001
 In-stent minimal lumen diameter, mm2.36 ± 0.32
 In-stent diameter stenosis, %-2.21 ± 10.12
 In-segment acute gain, mm1.07 ± 0.420.57 ± 0.39<0.001
 In-stent acute gain, mm1.38 ± 0.43

Values are mean ± SD or n/N (%).