Clinical Study
Is Repeat PTA of a Failing Hemodialysis Fistula Durable?
Table 1
Baseline clinical characteristics.
| Variable | Stenoses, (%) |
| Gender | | Male | 119 (75%) | Comorbidities | | Coronary artery disease | 67 (42%) | Diabetes mellitus | 60 (38%) | Type of AV fistula | | Radiocephalic | 81 (51%) | Brachiocephalic | 56 (35%) | Other native vein | 3 (2%) | Prosthetic graft | 19 (12%) |
| Position of stenosis in native AV fistula | (%) | Anastomosis | 40 (29%) | Venous cannulation zone | 69 (49%) | Outflow vein | 25 (18%) | Central vein | 6 (4%) |
| Position of stenosis in synthetic grafts | (%) | Arterial anastomosis | 3 (16%) | Graft | 1 (5%) | Venous anastomosis | 11 (58%) | Outflow vein | 4 (21%) | Central vein | 0 |
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