Study | DIPOL | AVID | RESIST | TULIP | OPTICUS | |||||
---|---|---|---|---|---|---|---|---|---|---|
IVUS | QCA | IVUS | QCA | IVUS | QCA | IVUS | QCA | IVUS | QCA | |
Demographic characteristics | ||||||||||
Patients, n | 83 | 80 | 369 | 375 | 79 | 76 | 73 | 71 | 273 | 275 |
Age. years, mean ± SD | 56 ± 8 | 54 ± 8 | 62 ± 12 | 63 ± 11 | 57 ± 10 | 56 ± 12 | 63 ± 10 | 61 ± 10 | 60.1 ± 10 | 61.5 ± 9.5 |
Men,% | 71 | 73 | 73 | 68 | 86 | 93 | 71 | 72 | 77 | 78 |
Smoker,% | 47 | 52 | - | - | 55 | 51 | 40 | 43 | 0.69 | 0.66 |
Previous MI,% | 44 | 40 | 35 | 29 | 54 | 48 | - | - | 0.32 | 0.32 |
Previous CABG,% | - | - | 18 | 20 | - | - | - | - | 0.03 | 0.04 |
Previous PCI,% | - | - | 24 | 25 | - | - | - | - | 0.2 | 0.2 |
Diabetes mellitus.% | 10 | 11 | 15 | 17 | 9 | 8 | 21 | 16 | 0.17 | 0.17 |
Dyslipidemia,% | 47 | 40 | 40 | 44 | 54 | 52 | 62 | 61 | 0.61 | 0.67 |
Hypertension,% | - | - | 46 | 45 | 24 | 26 | 30 | 27 | 0.48 | 0.52 |
LV ejection fraction,%, mean ± SD | 52 ± 9 | 48 ± 10 | 53 ± 13 | 55 ± 13 | 51 ± 9 | 53 ± 13 | - | - | 56.5 ± 14 | 57.7 ± 14.3 |
Angiographic characteristics | ||||||||||
Target vessel,% | ||||||||||
- Left anterior descending artery | 41 | 46 | 40 | 37 | 48 | 47 | 39 | 38 | 51 | 50 |
- Left circumflex artery | 26 | 24 | 15 | 18 | 11 | 11 | 10 | 21 | 18 | 14 |
- Right coronary artery | 33 | 30 | 35 | 32 | 41 | 42 | 51 | 41 | 30 | 35 |
- Left main coronary artery | - | - | 0.8 | 0.5 | - | - | - | - | - | - |
Lesion length, mm, mean ± SD | N/A | N/A | 13.0 ± 7.7 | 13.3 ± 9.2 | 7.7 ± 3.5 | 8.0 ± 4.0 | 27.0 ± 9 | 29.0 ± 10 | 11.9 ± 5.1 | 11.6 ± 5.5 |
Reference diameter, mm, mean ± SD | 3.21 ± 0.64 | 3.19 ± 0.59 | 3.05 ± 0.64 | 3.00 ± 0.54 | 3.0 ± 0.64* | 2.89 ± 0.54* | 2.95 ± 0.57 | 2.96 ± 0.53 | 2.97 ± 0.53 | 3.01 ± 0.51 |
Type B2 or C ACC/AHA lesions,% | 13 | 10 | N/A | N/A | 43 | 48 | 100 | 100 | 76 | 78 |
Pre-intervention | ||||||||||
- Minimum lumen diameter, mm, mean ± SD | 0.97 ± 0.33 | 0.95 ± 0.32 | 1.11 ± 0.5 | 1.09 ± 0.47 | 0.96 ± 0.37 | 1.02 ± 0.44 | 1.02 ± 0.42 | 0.99 ± 0.41 | 0.96 ± 0.35 | 0.99 ± 0.34 |
- Diameter stenosis,%, mean ± SD | 69.7 ± 14.2 | 70.2 ± 11.4 | 63.4 ± 14.1 | 63.5 ± 14.3 | 65.0 ± 11.0 | 64.0 ± 12.0 | 65.0 ± 13.0 | 65.0 ± 10.0 | 67.6 ± 11.2 | 66.7 ± 10.1 |
Post-intervention | ||||||||||
- Minimum lumen diameter, mm, mean ± SD | 3.34 ± 0.55 | 3.06 ± 0.52 | 2.93 ± 0.55 | 2.87 ± 0.48 | 2.48 ± 0.43 | 2.46 ± 0.46 | 3.01 ± 0.40 | 2.80 ± 0.31 | 3.02 ± 0.49 | 2.91 ± 0.41 |
- Diameter stenosis,%, mean ± SD | 3.4 ± 2.9 | 8.9 ± 5.4 | N/A | N/A | 19.0 ± 10.0 | 19.0 ± 9.0 | 12.0 ± 7.0 | 13.0 ± 9.0 | 2.8 ± 7.8 | 6.0 ± 8.0 |