| Theme | Vascular access -- Creation, management, repair : the individualization based on the standardization | |
|---|---|---|
| Title | Determining AVG sites post AVF failure | |
| Publish Date | 2014/02 | |
| Author | Hiroaki Haruguchi | Haruguchi Vascular Access Clinic |
| [ Summary ] | Arteriovenous grafts (AVGs) are selected when placement of arteriovenous fistulae (AVFs) is impossible. There are various opinions regarding the material and configuration of grafts. Three types of material [expanded-polytetrafluoroethylene (ePTFE), polyurethane (PU), and polyolefin-elastomer-polyester (PEP)] are available in Japan. PU grafts and PEP grafts can be cannulated 24 hours after procedures due to their self-sealing potential. Implantation sites for grafts are usually in the forearm, the upper arm or the thigh. It is important to implant grafts in the forearm when possible. Infection and steal phenomenon are important for management of grafts in the early phases of implantation. Prevention of infection and thrombosis are also important in ongoing periods. Although, patency rates for AVG are worse than those for AVF, proper management and intervention therapy at suitable times will achieve acceptable patency rates. |
|