Glossary Entry: Arteriovenous Graft

Overview

Definition: An arteriovenous graft is a surgical connection between an artery and a vein, commonly used in patients requiring vascular access for hemodialysis.

Detailed Description

Types and Variations

Variations: Arteriovenous grafts can come in various materials, such as expanded polytetrafluoroethylene (ePTFE) or bovine carotid artery, each with its own specific applications in hemodialysis.

Indications

Common Uses: Arteriovenous grafts are commonly used in patients with end-stage renal disease who require long-term hemodialysis treatment.

Insertion and Placement

Procedure: The arteriovenous graft is surgically implanted under the skin, typically in the arm. The procedure involves connecting the graft to an artery and a vein, creating a small man-made ‘arteriovenous fistula’ that allows for easy access for dialysis treatments.

Clinical Considerations

Potential Complications

Risks: Potential complications associated with arteriovenous grafts include infection, blood clot formation, and graft blockages.

Care and Maintenance

Maintenance Requirements: Proper care and maintenance of the graft involve regular monitoring for signs of infection, ensuring proper needle insertion during dialysis, and following prescribed cleaning protocols.

Additional Information

Related Devices

Associated Terms: Other related devices used in conjunction with arteriovenous grafts include dialysis catheters and hemodialysis machines.

Innovations and Advancements

Recent Developments: Recent advancements in graft materials and surgical techniques have improved the longevity and performance of arteriovenous grafts for hemodialysis patients.

Regulatory and Safety Notes

Regulations: The use and maintenance of arteriovenous grafts are governed by regulatory guidelines to ensure patient safety and proper functioning of the device.