Table 3:
Lesion characteristics and intraprocedural outcomes by access site and treatment modality.
| Treatment modality | RA+DCB (n=50) | p-value | DCB (n=53) | p-value | ||
| Access site | Popliteal (n=26) | Femoral (n=24) | Popliteal (n=20) | Femoral (n=33) | ||
| Age | 64.23±7.97 | 59.96±11.97 | 0.14 | 65.30±9.14 | 67.30±8.85 | 0.43 |
| Occlusion | ||||||
| Right SFA (%) | 10 (38.5) | 13 (54.2) | 0.27 | 12 (60) | 15 (45.5) | 0.31 |
| Length, cm | 19.44±4.65 | 11.53±7.76 | 0.001 | 17.73±9.35 | 9.55±7.78 | 0.001 |
| Proximal diameter, mm | 4.78±1.02 | 4.32±0.94 | 0.11 | 5.24±0.84 | 4.62±0.96 | 0.02 |
| Distal diameter, mm | 4.50±1.02 | 4.04±0.93 | 0.10 | 3.96±1.09 | 3.69±1.22 | 0.42 |
| TASC-II (%) | ||||||
| Type A+B | 2 (7.7) | 15 (62.5) | 0.001 | 5 (25) | 27 (81.8) | 0.001 |
| Type C+D | 24 (92.3) | 9 (37.5) | 15 (75) | 6 (18.2) | ||
| PACSS score (≥3) (%) | 3 (11.5) | 8 (33.3) | 0.06 | 6 (30) | 10 (30.3) | 0.98 |
| Kockelkoren score (<7) (%) | 22 (84.6) | 19 (79.2) | 0.72 | 14 (70) | 27 (81.8) | 0.34 |
| Intraprocedural (%) | ||||||
| Dissection | 23 (88.5) | 19 (79.2) | 0.46 | 16 (80) | 23 (69.7) | 0.41 |
| DISFORM (%) | ||||||
| Group A | 15 (65.2) | 12 (63.2) | 0.89 | 9 (56.3) | 16 (69.6) | 0.39 |
| Group B | 8 (38.5) | 7 (36.8) | 7 (43.8) | 7 (30.4) | ||
| Access site | Popliteal (n=46) | p-value | Femoral (n=57) | p-value | ||
| Treatment modality | RA+DCB (n=26) | DCB (n=20) | RA+DCB (n=24) | DCB (n=33) | ||
| Age | 64.23±7.97 | 65.30±9.14 | 0.67 | 59.96±11.97 | 67.30±8.85 | 0.01 |
| Occlusion | ||||||
| Right SFA (%) | 10 (38.5) | 12 (60) | 0.15 | 13 (54.2) | 15 (45.5) | 0.52 |
| Length, cm | 19.44±4.65 | 17.73±9.35 | 0.46 | 11.53±7.76 | 9.55±7.78 | 0.35 |
| Proximal diameter, mm | 4.78±1.02 | 5.24±0.84 | 0.11 | 4.32±0.94 | 4.62±0.96 | 0.26 |
| Distal diameter, mm | 4.50±1.02 | 3.96±1.09 | 0.09 | 4.04±0.93 | 3.69±1.22 | 0.24 |
| TASC –II (%) | ||||||
| Type A+B | 2 (7.7) | 5 (25) | 0.21 | 15 (62.5) | 27 (81.8) | 0.10 |
| Type C+D | 24 (92.3) | 15 (75) | 9 (37.5) | 6 (18.2) | ||
| PACSS Score (≥3) (%) | 3 (11.5) | 6 (30) | 0.15 | 8 (33.3) | 10 (30.3) | 0.81 |
| Kockelkoren Score (<7) (%) | 22 (84.6) | 14 (70) | 0.29 | 19 (79.2) | 27 (81.8) | 1.0 |
| Intraprocedural (%) | ||||||
| Dissection | 23 (88.5) | 16 (80) | 0.68 | 19 (79.2) | 23 (69.7) | 0.42 |
| DISFORM (%) | ||||||
| Group A | 15 (65.2) | 9 (56.3) | 0.57 | 12 (63.2) | 16 (69.6) | 0.66 |
| Group B | 8 (38.5) | 7 (43.8) | 7 (36.8) | 7 (30.4) | ||
DISFORM: Diameter reduction, spiral shape, flow impairment, or adverse morphology. TASC: Trans-Atlantic Inter-Society Consensus, PACSS: The peripheral artery calcification scoring system, Kockelkoren Score; <7 intimal dominant, ≥7 non-intimal dominant plaque formation, Statistical significance was defined as p < 0.05. Continuous variables are presented as mean ± standard deviation. RA: Rotational atherectomy, DCB: Drug coated balloon, SFA: Superficial femoral artery