Is Repeat PTA of a Failing Hemodialysis Fistula Durable?

Table 1

Baseline clinical characteristics.

Variable	Stenoses, 𝑛=159 (%)
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	𝑛=140 (%)
Anastomosis	40 (29%)
Venous cannulation zone	69 (49%)
Outflow vein	25 (18%)
Central vein	6 (4%)
Position of stenosis in synthetic grafts	𝑛=19 (%)
Arterial anastomosis	3 (16%)
Graft	1 (5%)
Venous anastomosis	11 (58%)
Outflow vein	4 (21%)
Central vein	0