Table 2.
Access characteristics and events during the study
| 101 HD Accesses, 96 Patients | |
| Length of renal replacement therapy with index access (median days) prior to CAS treatment | 693 (IQR 429 – 1285) |
| Radiocephalic Arteriovenous Fistula/e | 2 (1.9%) |
| Brachiocephalic Arteriovenous Fistula/e | 99 (98.1%) |
| Follow-up Period (days) | 277 (IQR 135 – 920) |
| Main indication for first intervention (101 HD Accesses) | |
| Raised pressure during dialysis / prolonged puncture site bleeding | 56 (55.3%) |
| Aneurysmal changes in conduit | 28 (27.7%) |
| Poor URR | 17 (16.9%) |
| Cephalic Arch Stenosis Distribution Pattern in Percentage (101 HD Accesses) (Fig. 1) | |
| A – ascending | 8% |
| B – apical | 28.2% |
| C – confluence | 27.6% |
| D – multifocal | 36.2% |
| Events during the Study (192 interventions) | |
| Access thrombosis | 12 (6.3%) |
| Switch to different arteriovenous HD access | 36 (18.8%) |
| TCVC insertion | 22 (11.4%) |