Research Article
Procedure and Clinical Success of Drug-Coated Balloon Fistuloplasty of the Drainage Vein in Dysfunctional Native Arteriovenous Fistulas
Table 2
Distribution of rates of procedure success and patency by months.
| | 
 |  |  | Primary patency n (%) | Secondary patency n (%) | Tertiary patency n (%) |  | 
 |  | Success of first endovascular intervention | 70 (85%) | 70 (85%) | 70 (85%) |  | 6th month patency | 57 (69.5%) | 63 (76.8%) | 63 (76.8%) |  | 12th month patency | 46 (56%) | 59 (71.9%) | 60 (73.1%) |  | 18th month patency | 39 (48%) | 51 (62.1%) | 53 (64.6%) |  | 24th month patency | 32 (39%) | 41 (50%) | 44 (54%) |  | 
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