Table 2.
Angiographic characteristics
| Acute coronary syndromes |
Chronic coronary syndromes |
Pa | |||||||
|---|---|---|---|---|---|---|---|---|---|
| All, N = 673 (809 lesions) | Supreme DES, n = 441 (532 lesions) | DP-EES, n = 232 (277 lesions) | P | All, N = 955 (1136 lesions) | Supreme DES, n = 645 (751 lesions) | DP-EES n = 310 (385 lesions) | P | ||
| Stent implantation characteristics | |||||||||
| No. of stents per lesion | 1.1 ± 0.3 | 1.1 ± 0.3 | 1.1 ± 0.3 | .92 | 1.1 ± 0.3 | 1.1 ± 0.3 | 1.0 ± 0.2 | .12 | .43 |
| Stented lesion length, mm | 22.26 ± 9.43 | 22.57 ± 9.65 | 21.66 ± 8.99 | .12 | 22.14 ± 8.51 | 22.30 ± 8.67 | 21.81 ± 8.19 | .22 | .62 |
| Maximum stent diameter, mm | 2.97 ± 0.43 | 2.95 ± 0.42 | 3.00 ± 0.44 | .24 | 2.91 ± 0.41 | 2.91 ± 0.41 | 2.91 ± 0.42 | .61 | .004 |
| Procedural characteristics | |||||||||
| Fractional flow reserve | 3.6% (30) | 3.7% (20) | 3.5% (10) | .88 | 10.6% (123) | 10.2% (78) | 11.5% (45) | .49 | <.0001 |
| Intravascular ultrasound | 8.4% (69) | 8.9% (48) | 7.3% (21) | .44 | 20.0% (231) | 19.9% (152) | 20.2% (79) | .89 | <.0001 |
| Predilation | 76.4% (630) | 79.6% (429) | 70.3% (201) | .03 | 75.9% (887) | 77.5% (593) | 72.6% (284) | .07 | .80 |
| Postdilation | 53.6% (440) | 53.2% (285) | 54.4% (155) | .74 | 51.5% (591) | 51.7% (393/760) | 51.0% (198/388) | .83 | .35 |
| Target vessel locationb | |||||||||
| Left anterior descending | 43.3% (350) | 44.5% (237) | 40.8% (113) | .18 | 46.0% (522) | 45.9% (345) | 46.0% (177) | .94 | .24 |
| Left circumflex | 26.6% (215) | 27.1% (144) | 25.6% (71) | .96 | 24.4% (227) | 25.3% (190) | 22.6% (87) | .38 | .28 |
| Right coronary | 30.2% (244) | 28.4% (151) | 33.6% (93) | .13 | 29.6% (236) | 28.6% (215) | 31.4% (121) | .34 | .77 |
| Left main | 0.0% (0) | 0.0% (0) | 0.0% (0) | NA | 0.1% (1) | 0.1% (1) | 0.0% (0) | 1.0 | .98 |
| ACC/AHA lesion class | |||||||||
| A | 9.4% (76) | 8.6% (46) | 10.8% (30) | .33 | 7.7% (88) | 7.1% (53) | 9.1% (35) | .23 | .20 |
| B1 | 26.3% (213) | 24.4% (130) | 30.0% (83) | .11 | 24.5% (278) | 25.8% (194) | 21.8% (84) | .14 | .37 |
| B2 | 26.1% (211) | 27.3% (145) | 23.8% (66) | .30 | 28.2% (320) | 26.2% (197) | 31.9% (123) | .05 | .32 |
| C | 38.2% (309) | 39.7% (211) | 35.4% (98) | .28 | 39.6% (450) | 40.9% (307) | 37.1% (143) | .24 | .53 |
| B2/C | 64.3% (520) | 66.9% (356) | 59.2% (164) | .04 | 67.8% (770) | 67.1% (504) | 69.1% (266) | .50 | .12 |
| Calcification (moderate/severe) | 30.9% (249/807) | 31.7% (168/530) | 29.2% (81) | .56 | 36.5% (415) | 37.0% (278) | 35.6% (137) | .77 | .014 |
| Any bifurcation | 21.1% (171) | 21.4% (114) | 29.6% (57) | .78 | 22.3% (253) | 22.4% (168) | 22.1% (85) | .94 | .55 |
| Baseline QCA resultsb | |||||||||
| Reference diameter, mm | 2.74 ± 0.45 | 2.72 ± 0.44 | 2.77 ± 0.47 | .10 | 2.68 ± 0.48 | 2.69 ± 0.48 | 2.67 ± 0.47 | .47 | .01 |
| Minimal lumen diameter, mm | 0.87 ± 0.38 | 0.85 ± 0.37 | 0.90 ± 0.40 | .07 | 0.97 ± 0.39 | 0.98 ± 0.40 | 0.96 ± 0.39 | .40 | <.0001 |
| Percent diameter stenosis, % | 68.02 ± 13.04 | 68.35 ± 12.97 | 67.37 ± 13.16 | .31 | 63.63 ± 13.19 | 63.49 ± 13.19 | 63.92 ± 13.20 | .68 | <.0001 |
| Lesion length, mmc | 15.22 ± 7.73 | 15.53 ± 8.16 | 14.64 ± 6.83 | .16 | 15.06 ± 7.13 | 15.11 ± 7.10 | 14.95 ± 7.20 | .73 | .63 |
| Final QCA resultb | |||||||||
| In-stent minimal lumen diameter, mmc | 2.70 ± 0.40 | 2.68 ± 0.40 | 2.73 ± 0.40 | .09 | 2.65 ± 0.40 | 2.65 ± 0.41 | 2.65 ± 0.38 | .96 | .012 |
| In-stent diameter stenosis, %c | 7.99 ± 4.72 | 8.14 ± 4.97 | 7.70 ± 4.22 | .20 | 8.38 ± 4.58 | 8.50 ± 4.34 | 8.14 ± 5.01 | .21 | .07 |
| In-stent acute gain, mmc | 1.83 ± 0.46 | 1.83 ± 0.46 | 1.83 ± 0.47 | .92 | 1.68 ± 0.45 | 1.67 ± 0.45 | 1.69 ± 0.44 | .56 | <.0001 |
| Segment minimal lumen diameter, mmd | 2.59 ± 0.41 | 2.57 ± 0.40 | 2.64 ± 0.41 | .03 | 2.55 ± 0.43 | 2.55 ± 0.43 | 2.54 ± 0.42 | .74 | .02 |
| Segment diameter stenosis, %d | 9.65 ± 3.86 | 9.70 ± 3.89 | 9.55 ± 3.81 | .66 | 10.06 ± 4.80 | 10.09 ± 4.86 | 10.00 ± 4.68 | .75 | .06 |
| Segment acute gain, mmd | 1.72 ± 0.47 | 1.72 ± 0.48 | 1.73 ± 0.47 | .69 | 1.57 ± 0.46 | 1.57 ± 0.46 | 1.58 ± 0.46 | .82 | <.0001 |
Values are given as mean ± standard deviation or % (n).
ACC, American College of Cardiology; AHA, American Heart Association; QCA, quantitative coronary angiography.
a
All patients with acute coronary syndromes (ACS) vs all patients with chronic coronary syndromes (CCS) regardless of stent.
b
The results reported based on the angiographic core laboratory analysis.
c
The total number of lesions was 802 for ACS and 1120 for CCS.
d
The total number of lesions was 804 for ACS and 1127 for CCS.