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  • Title: Percutaneous transluminal angioplasty of malfunctioning Brescia-Cimino arteriovenous fistula: analysis of factors adversely affecting long-term patency.
    Author: Sugimoto K, Higashino T, Kuwata Y, Imanaka K, Hirota S, Sugimura K.
    Journal: Eur Radiol; 2003 Jul; 13(7):1615-9. PubMed ID: 12835976.
    Abstract:
    Our objective was to identify the factors adversely affecting long-term patency after percutaneous transluminal angioplasty (PTA) for hemodialysis Brescia-Cimino arteriovenous fistulas. Between November 1995 and March 2000, 91 PTA procedures were performed on 50 patients with 57 Brescia-Cimino fistulas. A retrospective study based on the chart review was performed. The initial technical success rate for all procedures and the primary and secondary patency rates for all fistulas were calculated. Regarding fistulas successfully maintained by the primary PTA, the primary and secondary patency rates were compared using the Kaplan-Meier method between two patient groups. They were classified on the basis of several factors, including age (older, over 70 years, and younger group), age of the fistulas (older, over 6 months, and younger group), with or without diabetes mellitus (DM), solitary or multiple lesions, long or short segment lesion, stenosis or occlusion, and with or without arterial and/or anastomotic lesions. Initial technical success rates for all procedures and fistulas were 91.2 and 89.5%, respectively. Cumulative primary and secondary patency rates at 1 year were 47.3 and 67.3%, respectively. In the comparative study, the secondary patency rate for the older group was lower than that of the younger group with statistical significance ( p=0.029). The higher age is the only factor that reduces the long-term patency rate after PTA.
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