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Evaluation of percutaneous transluminal angioplasty screening using color Doppler ultrasonography

Keiji Tabuchi1,2, Toshio Kobayashi2, Junko Kumagai3

  • 1Departments of Nursing, Omachi Tsuchiya Clinic, Hiroshima - Japan.

The Journal of Vascular Access
|September 10, 2015
PubMed

Insights

Color Doppler ultrasonography identified key hemodynamic parameters predicting the need for percutaneous transluminal angioplasty in hemodialysis patients, aiding in risk assessment.

Area of Science:

  • Vascular Surgery
  • Nephrology
  • Diagnostic Imaging

Background:

  • Vascular access is crucial for hemodialysis patients.
  • Stenosis can compromise vascular access function.

Purpose of the Study:

  • Assess stenosis using color Doppler ultrasonography.
  • Investigate the association between hemodynamic parameters and percutaneous transluminal angioplasty (PTA) need.

Main Methods:

  • Prospective study of 372 hemodialysis patients.
  • Color Doppler ultrasonography and logistic regression analysis.
  • Determined cutoff points for hemodynamic parameters predicting PTA.

Main Results:

  • Brachial artery flow volume, resistance index, and puncture point flow volume/dialysis blood flow rate predicted PTA need.
  • Specific cutoff values identified: resistance index > 0.61, flow volume < 665 mL/min, ratio < 1.25.

Conclusions:

  • Identified hemodynamic parameters can serve as markers for PTA risk.
  • Facilitates proactive management of vascular access in hemodialysis.
Abstract

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