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Related Experiment Videos

Subcutaneous vascular access devices.

J E Moran1

  • 1Vasca, Inc., Tewksbury, Massachusetts 01876, USA. jmoran@vasca.com

Seminars in Dialysis
|February 20, 2002
PubMed
Summary
This summary is machine-generated.

New fully subcutaneous vascular access devices offer improved flow rates and reduced complications compared to traditional tunneled dialysis catheters for hemodialysis patients.

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Area of Science:

  • Nephrology
  • Vascular Surgery
  • Biomedical Engineering

Background:

  • Tunneled dialysis catheters are a common vascular access method for hemodialysis.
  • Limitations include poor flow, thrombosis, and infection due to transcutaneous nature.

Purpose of the Study:

  • To review historical vascular access devices.
  • To provide an overview of new fully subcutaneous vascular access devices.
  • To compare new subcutaneous devices with traditional tunneled catheters.

Main Methods:

  • Review of historical devices (Hemasite, Bentley DiaTAP button).
  • Overview of new subcutaneous devices (LifeSite, Dialock).
  • Comparison of design, use, and initial clinical experiences.

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Main Results:

  • New subcutaneous devices differ significantly in design and use from tunneled catheters.
  • Initial clinical experiences show high flow rates and low complication rates.
  • Subcutaneous devices validate a subcutaneous approach to hemodialysis access.

Conclusions:

  • Fully subcutaneous vascular access devices may offer improved outcomes for hemodialysis patients.
  • These devices present an attractive alternative to dialysis catheters.
  • Further clinical experience is warranted to confirm long-term benefits.