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

MR angiography with oblique gradient-recalled echo technique.

D G Brown1, S J Riederer, C R Jack

  • 1MR Research Laboratory, Mayo Clinic, Rochester, MN 55905.

Radiology
|August 1, 1990
PubMed
Summary
This summary is machine-generated.

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

Molecular Methods to Detect <i>Vibrio cholerae</i> and Associated Bacteriophages among Diarrheal Patients in Bangladesh.

medRxiv : the preprint server for health sciences·2026
Same author

Continuous Associations between Remote Self-Administered Cognitive Measures and Imaging Biomarkers of Alzheimer's Disease.

The journal of prevention of Alzheimer's disease..·2024
Same author

Greater White Matter Hyperintensity Volume Is Associated with the Number of Microhemorrhages in Preclinical Alzheimer's Disease.

The journal of prevention of Alzheimer's disease·2024
Same author

Reply.

AJNR. American journal of neuroradiology·2022
Same author

Amyloid-Related Imaging Abnormalities and Other MRI Findings in a Cognitively Unimpaired Population With and Without Cerebral Amyloid.

The journal of prevention of Alzheimer's disease·2022
Same author

Publisher Correction: Brain charts for the human lifespan.

Nature·2022

This study introduces a fast Magnetic Resonance (MR) angiography technique using an oblique gradient-recalled echo sequence. It achieves high-resolution, high-contrast angiograms in just 2.5 minutes, significantly reducing scan time.

Area of Science:

  • Radiology
  • Medical Imaging
  • Cardiovascular Imaging

Background:

  • Conventional Magnetic Resonance (MR) angiography can be time-consuming.
  • Efficient acquisition of angiographic data is crucial for clinical applications.

Purpose of the Study:

  • To present an oblique gradient-recalled echo sequence for efficient MR angiography.
  • To demonstrate the acquisition of high-resolution, high-contrast projection angiograms rapidly.

Main Methods:

  • Utilized an oblique gradient-recalled echo sequence for direct raw data acquisition at the projection angle.
  • Employed a saturation band to effectively suppress venous blood.
  • Acquired 50 3-mm sections with 48 phase encodings per section, repetition time of 50 msec, echo time of 15 msec, and flip angle of 45 degrees.

Related Experiment Videos

Main Results:

  • Achieved high-resolution, high-contrast MR projection angiograms in 2.5 minutes.
  • Scan time was one-fifth of conventional angiography.
  • Demonstrated successful venous blood saturation.
  • Successfully imaged carotid bifurcations in healthy volunteers and a post-endarterectomy patient.

Conclusions:

  • The oblique gradient-recalled echo sequence provides an efficient method for rapid, high-quality MR angiography.
  • This technique offers a significant reduction in scan time without compromising image resolution or contrast.
  • The method is suitable for imaging vascular structures like the carotid arteries.