Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Preoperative radiological assessment for vascular access.

P W G Brown1

  • 1Sheffield Teaching Hospitals NHS Trust, Sheffield, South Yorkshire, UK. Peter.Brown@sth.nhs.uk

European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery
|December 13, 2005
PubMed
Summary

Routine preoperative duplex ultrasound improves arteriovenous fistula (AVF) utilization by selecting appropriate vessels. A 2mm arterial diameter is key for successful fistula formation, enhancing dialysis access outcomes.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Magnetic resonance angiography for the diagnosis of renal artery stenosis: a meta-analysis.

Clinical radiologyยท2002
See all related articles

Area of Science:

  • Vascular Surgery
  • Nephrology
  • Medical Imaging

Background:

  • Arteriovenous fistulas (AVF) are crucial for hemodialysis access.
  • Optimizing AVF creation requires careful preoperative vessel assessment.
  • Duplex ultrasound is increasingly used for this evaluation.

Purpose of the Study:

  • To evaluate the role of routine preoperative duplex scanning ultrasound in AVF creation.
  • To determine optimal vessel diameter criteria for successful AVF formation.
  • To explore alternatives to contrast venography for central vein stenosis assessment.

Main Methods:

  • Preoperative duplex scanning ultrasound to assess arterial and venous diameters.
  • Analysis of correlation between vessel diameter and AVF utilization/outcome.

Related Experiment Videos

  • Review of indications for contrast venography and emerging alternatives like MR venography.

    • Main Results:

    • Routine duplex ultrasound increases AVF utilization and improves target vessel selection.
    • A minimum arterial diameter of 2mm is associated with successful fistula formation.
    • Established venous diameter thresholds are 2.5mm for AVF and 4mm for prosthetic grafts.

    Conclusions:

    • Preoperative duplex ultrasound is valuable for optimizing AVF creation and patient selection.
    • Accurate vessel diameter assessment via ultrasound improves dialysis access outcomes.
    • MR venography presents a potential alternative to contrast venography in specific patient groups.