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Comparative study of use of Diastat versus standard wall PTFE grafts in upper arm hemodialysis access

P J Almonacid1, E C Pallares, A Q Rodriguez

  • 1Fundacion Hospital Alcorcon, Madrid, Spain.

Annals of Vascular Surgery
|December 29, 2000
PubMed

Insights

Brachioaxillary Diastat grafts show lower patency and more complications than standard PTFE grafts for hemodialysis access. This study highlights potential risks associated with Diastat vascular access in patients requiring dialysis.

Area of Science:

  • Vascular Surgery
  • Nephrology
  • Biomedical Engineering

Background:

  • Vascular access is crucial for hemodialysis.
  • Brachioaxillary grafts are used for upper arm vascular access.
  • Comparing different graft types is essential for optimizing patient outcomes.

Purpose of the Study:

  • To compare the outcomes of Diastat brachioaxillary grafts versus standard wall brachioaxillary PTFE grafts.
  • To evaluate complications and graft survival rates in hemodialysis patients.

Main Methods:

  • Retrospective study comparing two groups of hemodialysis patients (n=40 each).
  • Patients received either Diastat or standard wall PTFE grafts between 1994-1997.
  • Groups were matched for age, diabetes mellitus, surgical technique, and prior vascular access.

Main Results:

  • Diastat grafts demonstrated lower patency rates compared to sPTFE grafts.
  • Higher complication rates were observed in patients with Diastat grafts.
  • Standard PTFE grafts showed superior performance in this patient cohort.

Conclusions:

  • Diastat grafts for upper arm hemodialysis access are associated with inferior outcomes.
  • Standard wall brachioaxillary PTFE grafts appear to be a more reliable option.
  • Further research may be warranted to explore reasons for Diastat graft underperformance.

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