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

Renal artery velocity mapping with MR imaging

S E Maier1, M B Scheidegger, K Liu

  • 1Institute of Biomedical Engineering and Medical Informatics, University of Zurich, Switzerland.

Journal of Magnetic Resonance Imaging : JMRI
|November 1, 1995
PubMed
Summary

Magnetic Resonance (MR) phase imaging reliably assesses renal artery blood flow and velocity. This technique provides valuable insights into complex flow dynamics at the renal artery bifurcation.

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

Heart Lesions Produced by the Deep X-Ray: An Experimental and Clinical Study.

Transactions of the American Climatological and Clinical Association. American Climatological and Clinical Association·2011
Same author

Sleep-dependent activity of T cells and regulatory T cells.

Clinical and experimental immunology·2008
Same author

Fluorescence microlymphography: diagnostic potential in lymphedema and basis for the measurement of lymphatic pressure and flow velocity.

Lymphology·2007
Same author

[Aneurysms from the viewpoint of medical history].

VASA. Zeitschrift fur Gefasskrankheiten·2003
Same author

Microlymphatic aneurysms in patients with lipedema.

Lymphology·2002
Same author

The "galloping" history of intermittent claudication.

VASA. Zeitschrift fur Gefasskrankheiten·2001

Area of Science:

  • Cardiovascular Imaging
  • Medical Physics
  • Renal Physiology

Background:

  • Assessing renal artery blood flow is crucial for diagnosing and managing kidney diseases.
  • Traditional methods may have limitations in accurately quantifying flow dynamics, especially at bifurcations.

Purpose of the Study:

  • To evaluate the feasibility of using a magnetic resonance (MR) phase imaging sequence with a very short echo time to assess blood velocity and flow at the renal artery bifurcation.
  • To determine the reliability and insights gained from MR phase imaging in evaluating renal artery hemodynamics.

Main Methods:

  • Utilized a cardiac-gated MR phase imaging sequence with a very short echo time.
  • Acquired sagittal and transverse imaging planes in six healthy subjects and three patients with reduced renal artery blood flow.

Related Experiment Videos

  • Measured average renal artery flow rate and analyzed velocity profiles.

    • Main Results:

    • The average renal artery flow rate in healthy subjects was 23.8 +/- 9 mL/sec.
    • Significant individual variability was observed in abdominal aorta velocity profiles during end-systolic regurgitation.
    • MR imaging successfully documented the outcome of percutaneous transluminal angioplasty in two patients with improved renal artery blood flow.

    Conclusions:

    • MR phase imaging is a feasible and reliable method for assessing renal artery blood flow.
    • Velocity profile measurements offer valuable insights into the complex flow patterns at the renal artery bifurcation.
    • This technique aids in evaluating treatment efficacy for renal artery stenosis.