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Calcification detection on upper extremity arteries: a comparison of ultrasonic and X-ray methods

Yanli Yang1, Na Lin1, Yuankai Xu2

  • 1Department of Nephrology, The First Hospital of Hebei Medical University, Shijiazhuang, China.

Peerj
|August 28, 2023
PubMed

Insights

Ultrasound is more sensitive than X-ray for detecting vascular calcification (VC) in hemodialysis patients

Area of Science:

  • Vascular Biology
  • Medical Imaging
  • Nephrology

Background:

  • Vascular calcification (VC) is a known complication in hemodialysis patients.
  • Limited research exists on upper extremity vascular calcification in this population.
  • Consistency between ultrasound and X-ray for detecting VC is not well-established.

Purpose of the Study:

  • To determine the prevalence of VC in the radial and ulnar arteries of hemodialysis patients.
  • To assess the consistency of VC detection between ultrasound and X-ray imaging.

Main Methods:

  • 40 hemodialysis patients underwent both ultrasound and X-ray examinations of their upper extremity arteries.
  • Calcification was quantified using a calcification index from each imaging modality.
  • Clinical data were collected for all participants.

Main Results:

  • Ultrasound detected VC in 31 patients, while X-ray detected it in 22 patients.
  • X-ray showed 73.21% sensitivity and 66.35% specificity compared to ultrasound.
  • Agreement between ultrasound and X-ray was fair; ulnar arteries showed more VC than radial arteries.

Conclusions:

  • Ultrasound demonstrates higher sensitivity for detecting calcified atherosclerotic lesions.
  • Ultrasound and X-ray show fair consistency in VC detection.
  • Ultrasound screening of upper extremity arteries in hemodialysis patients warrants further investigation.
Abstract

Keywords:
HemodialysisRadial arteryUlnar arteryUltrasoundVascular calcificationX-ray plain film

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