Is a Quinton double‑lumen non‑tunneled catheter used for hemodialysis?

Is the Quinton Catheter Used for Dialysis?

Yes, the Quinton catheter (Permcath) is a tunneled, cuffed, double-lumen silicone catheter specifically designed and widely used for hemodialysis vascular access. This catheter serves both short-term and long-term dialysis needs when other access options are unavailable or inappropriate 1.

What is a Quinton Catheter?

The Quinton Permcath is a tunneled cuffed catheter (TCC) with the following characteristics:

• Double-lumen silicone construction
• Dacron cuff for tissue ingrowth and stabilization
• Designed for subcutaneous tunneling to reduce infection risk
• Can be inserted into internal jugular, subclavian, or femoral veins 2, 3

Clinical Applications

Short-Term Use (< 1 week to 3 months)

The Quinton catheter is appropriate when 1:

• Immediate dialysis is required without available vascular access
• Acute renal failure necessitates urgent hemodialysis
• Bridge access while awaiting arteriovenous fistula (AVF) maturation
• Rescue access when AVF or graft fails

Long-Term Use (> 3 months)

The catheter may serve as definitive long-term access in specific circumstances 4:

• Patients with limited life expectancy
• Multiple failed AV access attempts with no remaining vessel options
• Severe arterial occlusive disease or uncorrectable central venous stenosis
• Valid patient preference after informed discussion of risks
• Elderly patients where other modalities are unavailable 2, 5

Insertion Guidelines

Preferred insertion site: Right internal jugular vein 1

The hierarchy of vein selection for tunneled catheters is 4:

1. Right internal jugular (most direct route to right atrium)
2. Left internal jugular
3. External jugular
4. Femoral
5. Subclavian (avoid due to stenosis risk)

Key Technical Requirements 1:

• Catheter tip position: Must be confirmed in the right atrium by fluoroscopy for optimal flow
• Ultrasound guidance: Should be used during insertion to minimize complications
• Post-insertion imaging: Chest X-ray mandatory after internal jugular/subclavian placement to confirm position and exclude pneumothorax

Performance Characteristics

Advantages 1:

• Immediate usability (no maturation time required)
• No repeated skin puncture needed
• Universally applicable across patient populations
• Can provide adequate blood flow rates (300-350 mL/min)
• Lower initial costs compared to surgical access creation

Disadvantages and Complications 1:

• High infection risk: Exit site infections occur at approximately 1 episode per 7.4 catheter-months 6
• Catheter-associated bacteremia: Rate of 1 episode per 66 months 6
• Thrombosis: Both partial and complete obstruction occurs in approximately 29% of cases 5
• Central venous stenosis: Risk of permanent damage to central veins
• Lower blood flow rates: Compared to mature AVF, requiring longer dialysis times
• Shorter lifespan: Compared to AVF or arteriovenous grafts

Clinical Outcomes

Real-world data demonstrates 2, 5:

• Median functional duration: 105 days (range 2 days to 23 months)
• Long-term success: 18% of catheters function without complications for over 1 year
• Complication-related removal: 42.6% of catheters removed for complications
• Mean duration of use: 6.2 months (range 2 days to 23 months)

Critical Management Points

Duration Limits 1, 7:

• Uncuffed (non-tunneled) catheters: Maximum 1 week, hospitalized patients only
• Tunneled cuffed catheters: Can remain for months to years with proper care
• Conversion plan: Any short-term catheter should have a plan to convert to long-term access or discontinue within 1 week

Infection Prevention 8, 6:

• Aseptic catheter care is essential
• Heparin locking after each dialysis session (1 mL of 2500 units per lumen, three times weekly)
• Weekly dressing changes
• Exit site monitoring for signs of infection

Common Pitfall to Avoid:

Do not place tunneled catheters on the same side as a maturing or planned AV access 1. This preserves the vasculature for the preferred permanent access option.

Hierarchy of Vascular Access

While the Quinton catheter is effective, the preferred access hierarchy remains 4:

1. First choice: Mature, functioning AVF (lowest complication rates)
2. Second choice: Arteriovenous graft (AVG)
3. Last resort: Tunneled cuffed catheter (highest infection and thrombosis risk)

The Quinton catheter should be viewed as a bridge to better access or as definitive access only when AV options are exhausted or contraindicated.