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Effect of a vascular access surveillance program on service provision and access thrombosis

Simon Jiang1, Glenn Stewart, Elizabeth Barnes

  • 1Department of Renal Medicine, Concord General and Repatriation Hospital, Sydney, New South Wales, Australia. sim_jiang@hotmail.com

Seminars in Dialysis
|September 22, 2012
PubMed

Insights

Implementing a hemodialysis vascular access surveillance program improved service use and significantly reduced thrombosis rates in dialysis patients. This proactive approach enhances patient care and outcomes.

Area of Science:

  • Nephrology
  • Vascular Surgery
  • Public Health

Background:

  • Vascular access complications are a significant challenge in hemodialysis patient care.
  • The effectiveness of guideline recommendations for vascular access surveillance, despite limited evidence, remains unclear.

Purpose of the Study:

  • To evaluate the impact of a vascular access surveillance and early intervention program on hemodialysis thrombosis rates.
  • To assess changes in service utilization, including ultrasound and angiography interventions, following program implementation.

Main Methods:

  • A retrospective analysis of 227 prevalent hemodialysis patients from January 2005 to March 2011.
  • Data collection from hospital records and the Australian and New Zealand Dialysis and Transplant Registry (ANZDATA).
  • Statistical analysis to assess trends in intervention rates and thrombosis rates over time, adjusted for comorbidities.

Main Results:

  • Crude ultrasound and angiography intervention rates increased significantly during the study period.
  • Crude hemodialysis thrombosis rates showed a marked decrease, falling from 21 to 2 per 100 patient-quarters.
  • Adjusted analysis confirmed increased ultrasound and interventional angiography use, alongside a significant reduction in thrombosis rates (8.4% decrease per quarter).

Conclusions:

  • Implementation of a vascular access surveillance program leads to increased service utilization.
  • Proactive surveillance and early intervention are associated with a substantial reduction in hemodialysis vascular access thrombosis.
  • This strategy improves the management and outcomes of hemodialysis patients.

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