Table 1
Demographic and procedural data of 24 patients with 57 lesions.
| PARAMETER | NUMBER (%) |
|---|---|
| Age | 63.9 ± 14.2 years |
| Sex | |
| Men | 16 (66.67) |
| Women | 8 (33.33) |
| Underlying disease | |
| Hypertension | 22 (91.67) |
| Dyslipidemia | 15 (62.50) |
| Diabetes mellitus | 10 (41.67) |
| Presenting symptom | |
| Dialysis difficulty | 8 (33.33) |
| Poorly palpable thrill | 8 (33.33) |
| Venous hypertension | 8 (33.33) |
| Type of arteriovenous dysfunction | |
| Radiocephahic type | 15 (62.50) |
| Brachiocephalic type | 9 (37.50) |
| Number of treatments per location of treated lesion | |
| Juxta-anastomosis | 163 (48.95) |
| Central veins | 91 (27.33) |
| Venous outflow | 54 (16.22) |
| Cephalic arch | 21 (6.30) |
| Arteriovenous anastomosis | 4 (1.20) |
| Degree of stenosis of target lesions | |
| Moderate stenosis | 66 (19.82) |
| Severe stenosis | 260 (78.08) |
| Complete occlusion | 7 (2.10) |
| Number of procedures performed | |
| Conventional balloon angioplasty | 285 (85.59) |
| Drug-coated balloon angioplasty | 48 (14.41) |
Table 2
Comparison between conventional and drug-coated balloon angioplasties using the Weibull hazard distribution.
| TECHNIQUE | HAZARD RATIO (95% CI) | p-VALUE | ADJUSTED HAZARD RATIO (95% CI) | p-VALUE |
|---|---|---|---|---|
| CBA | 1 | 1 | ||
| DCBA | 0.735 (0.536–1.010) | 0.058 | 0.725 (0.528–0.996) | 0.047 |
| Degree of lesion stenosis | ||||
| Moderate (50%–69%) | 1.499 (0.493–4.557) | 0.476 | ||
| Severe (70%–99%) | 1.859 (0.630–5.484) | 0.261 | ||
| Complete occlusion (100%) | 1.996 (0.477–8.349) | 0.344 |
[i] CI, confidence interval; CBA, conventional balloon angioplasty; DCBA, drug-coated balloon angioplasty.
Figure 1
Comparison of the post-intervention target primary patency between CBA and DCBA using Weibull PH regression. PH, proportional hazards; CBA, conventional balloon angioplasty; DCBA, drug-coated balloon angioplasty; TTE, time-to-event.