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Related Experiment Videos

Permanent vascular access: a nephrologist's view

D W Windus1

  • 1Department of Medicine, Washington University School of Medicine, St Louis, MO.

American Journal of Kidney Diseases : the Official Journal of the National Kidney Foundation
|May 1, 1993
PubMed
Summary
This summary is machine-generated.

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Vascular access complications, primarily thrombosis and stenosis in prosthetic grafts, significantly impact hemodialysis patients. Improved screening and treatment strategies are crucial for managing these common issues.

Area of Science:

  • Nephrology
  • Vascular Surgery
  • Medical Engineering

Background:

  • Vascular access complications are a leading cause of morbidity in US hemodialysis patients.
  • Prosthetic graft fistulas are common, despite recommendations for arteriovenous fistulas.
  • Thrombosis and stenosis are the most frequent complications of prosthetic grafts.

Purpose of the Study:

  • To review current understanding and management of vascular access complications in hemodialysis.
  • To highlight challenges and future directions in preventing and treating graft-related issues.

Main Methods:

  • Review of current literature on vascular access complications, pathogenesis, screening, and treatment.
  • Discussion of diagnostic techniques including recirculation measurements, pressure monitoring, and Doppler ultrasound.

Related Experiment Videos

  • Evaluation of existing and emerging treatment modalities such as surgery, angioplasty, and thrombolysis.

    • Main Results:

    • Hospitalization rates for fistula complications are higher in patients with diabetes and of black race.
    • Intimal hyperplasia, driven by growth factors and endothelial injury, contributes to complications.
    • Current screening combines multiple techniques for optimal fistula evaluation.

    Conclusions:

    • Effective long-term pharmacologic prevention of thrombosis and stenosis in graft fistulas remains elusive.
    • Future research should focus on improving primary fistula creation, graft materials, and complication prevention strategies.
    • A multidisciplinary approach integrating surgical, interventional, and pharmacological strategies is needed.