Central venous catheters for haemodialysis: a review

J A Akoh1

  • 1Plymouth Hospitals NHS Trust, Derriford Hospital, Plymouth PL6 8DH, United Kingdom.

Insights

Central venous catheters (CVC) are a viable option for long-term hemodialysis when other vascular access fails. Advances in CVC technology improve flow rates and reduce infection risks, offering a safe alternative.

Area of Science:

  • Nephrology
  • Vascular Surgery
  • Medical Device Technology

Background:

  • Central venous catheters (CVC) are used in hemodialysis for patients with exhausted vascular access, unsuitable vessels, failed peritoneal dialysis, or short life expectancy.
  • Traditional challenges with CVC include poor flow rates and infection risks.
  • Permanent CVCs are increasingly utilized, serving as the primary vascular access for 11-22% of long-term hemodialysis patients.

Purpose of the Study:

  • To review recent advancements in central venous catheter (CVC) technology and usage for hemodialysis.
  • To highlight methods for avoiding complications during CVC insertion.
  • To assess the efficacy and safety of tunnelled CVCs as a long-term hemodialysis access solution.

Main Methods:

  • Review of current literature on central venous catheter design and application in hemodialysis.
  • Analysis of reported flow rates and survival statistics for CVCs.
  • Evaluation of the suitability of tunnelled CVCs, particularly in resource-limited settings.

Main Results:

  • Modern CVCs offer improved flow rates, ranging from 274-525 ml/min.
  • One-year cumulative catheter survival rates are between 47-93%.
  • Tunnelled CVCs are presented as a safe, effective, and cost-efficient long-term hemodialysis access, especially relevant for developing countries.

Conclusions:

  • Tunnelled central venous catheters (CVC) represent a safe and effective long-term vascular access for hemodialysis.
  • CVCs are a crucial alternative for patients with limited vascular access options.
  • Advancements in CVC technology address previous limitations, making them a reliable choice for hemodialysis.

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