Vascular Access-renal replacement and dialysis
AV fistula
Pros
- Highest patency
- Lowest risk of bacteremia
- Lowest mortality (JASN 2013;24:465) Cons
- Long maturation time (2–6 mo)
- Primary nonfunction (20%)
AVgraft
- Easier to create than AVF
- Maturation time (2–3 wk) Cons:
- Poor 1° patency, often requiring thrombectomy or angioplasty
Catheter
- Immediate use
- Use as bridge to AVF/AVG Cons:
- Highest risk of bacteremia
- ↓ blood flow → ↓ HD efficiency