Table 2.
Baseline, post-procedural, and follow-up lesion characteristics measured with quantitative coronary angiography
| Characteristic | Type of treatment |
Imaging modality |
||||
|---|---|---|---|---|---|---|
| DEB + BMS (n = 28) | DES (n = 28) | p value | OCT (n = 16) | IVUS (n = 40) | p value | |
| Baseline | ||||||
| RVD, mm | 3.13 ± 0.67 | 2.84 ± 0.59 | 0.092 | 3.04 ± 0.60 | 2.97 ± 0.67 | 0.717 |
| MLD, mm | 0.85 ± 0.51 | 0.88 ± 0.46 | 0.860 | 1.03 ± 0.46 | 0.80 ± 0.49 | 0.095 |
| DS, % | 74.96 ± 13.29 | 69.82 ± 15.03 | 0.166 | 66.06 ± 12.87 | 74.92 ± 14.19 | 0.033 |
| Lesion length | 13.88 ± 3.96 | 19.18 ± 5.43 | < 0.001 | 16.03 ± 5.07 | 16.73 ± 5.59 | 0.625 |
| Post-procedural | ||||||
| RVD, mm | ||||||
| In-stent | 3.07 ± 0.59 | 3.02 ± 0.45 | 0.742 | 3.06 ± 0.42 | 3.04 ± 0.56 | 0.886 |
| In-segment | 2.83 ± 0.70 | 2.84 ± 0.35 | 0.923 | 2.78 ± 0.62 | 2.86 ± 0.52 | 0.611 |
| MLD, mm | ||||||
| In-stent | 2.67 ± 0.49 | 2.58 ± 0.46 | 0.467 | 2.67 ± 0.37 | 2.61 ± 0.51 | 0.648 |
| In-segment | 2.43 ± 0.66 | 2.43 ± 0.39 | 0.982 | 2.38 ± 0.61 | 2.45 ± 0.52 | 0.669 |
| DS, % | ||||||
| In-stent | 12.86 ± 7.25 | 13.79 ± 12.86 | 0.742 | 12.38 ± 6.72 | 13.70 ± 11.54 | 0.672 |
| In-segment | 14.64 ± 8.68 | 14.71 ± 8.04 | 0.975 | 14.81 ± 7.93 | 14.62 ± 8.53 | 0.940 |
| Acute gain, mm | ||||||
| In-stent | 1.82 ± 0.42 | 1.70 ± 0.56 | 0.383 | 1.64 ± 0.39 | 1.81 ± 0.53 | 0.250 |
| 9-Month follow-up | ||||||
| RVD, mm | ||||||
| In-stent | 2.91 ± 0.67 | 2.77 ± 0.47 | 0.372 | 2.76 ± 0.62 | 2.87 ± 0.57 | 0.547 |
| In-segment | 2.93 ± 0.59 | 2.78 ± 0.41 | 0.285 | 2.66 ± 0.55 | 2.93 ± 0.48 | 0.073 |
| MLD, mm | ||||||
| In-stent | 2.11 ± 0.76 | 2.29 ± 0.63 | 0.348 | 2.24 ± 0.67 | 2.18 ± 0.72 | 0.793 |
| In-segment | 2.05 ± 0.82 | 2.23 ± 0.60 | 0.357 | 2.10 ± 0.68 | 2.15 ± 0.74 | 0.835 |
| DS, % | ||||||
| In-stent | 29.46 ± 20.67 | 18.78 ± 16.67 | 0.039 | 21.43 ± 21.69 | 25.20 ± 18.54 | 0.502 |
| In-segment | 32.61 ± 22.23 | 20.71 ± 18.13 | 0.034 | 23.81 ± 21.25 | 27.80 ± 21.03 | 0.511 |
| Lesion length, mm | ||||||
| In-stent | 0.56 ± 0.57 | 0.29 ± 0.63 | 0.099 | 0.43 ± 0.50 | 0.42 ± 0.66 | 0.955 |
| In-segment | 0.38 ± 0.79 | 0.20 ± 0.53 | 0.335 | 0.28 ± 0.68 | 0.30 ± 0.68 | 0.914 |
| Eccentricity index | 0.88 ± 0.05 | 0.88 ± 0.05 | 0.750 | 0.89 ± 0.02 | 0.89 ± 0.03 | 0.545 |
Values are presented as mean ± SD.
DEB, drug-eluting balloon; BMS, bare metal stent; DES, drug-eluting stent; OCT, optical coherence tomography; IVUS, intravascular ultrasonography; RVD, reference vessel diameter; MLD, minimal lumen diameter; DS, diameter stenosis.