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Automated MR imaging protocols for improved patient throughput.

R Lufkin1, J Dworkin, J Stutman

  • 1Department of Radiological Sciences, UCLA School of Medicine 90024.

Computerized Medical Imaging and Graphics : the Official Journal of the Computerized Medical Imaging Society
|March 1, 1988
PubMed
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Automated magnetic resonance (MR) imaging protocols significantly reduce scan times by optimizing patient throughput. This technique decreases operator intervention, shortening examination durations for standard MR studies.

Area of Science:

  • Medical Imaging
  • Radiology
  • Magnetic Resonance Imaging

Background:

  • Patient throughput in Magnetic Resonance (MR) studies is limited by total examination time, not just data acquisition.
  • Factors like patient handling, setup, and reconstruction contribute significantly to prolonged MR scan durations.
  • Optimizing these non-acquisition phases is crucial for improving efficiency and reducing costs in MR imaging.

Purpose of the Study:

  • To develop and evaluate a technique for creating automated imaging protocols in standard MR examinations.
  • To decrease operator interventions and shorten overall MR examination time.
  • To enhance patient throughput in MR imaging procedures.

Main Methods:

  • A prototype automated sequence was developed for larynx and neck MR examinations.

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  • The technique allows for sequential acquisitions in three orthogonal planes with a single operator setup.
  • Computer control manages tuning and scan placement after the initial setup, minimizing manual intervention.

    • Main Results:

    • The automated protocol reduced larynx and neck study times to under 30 minutes for spin echo and under 16 minutes for field echo.
    • This represents a substantial decrease from the previous 50-60 minute examination times.
    • Operator interventions were minimized through computer-controlled automation.

    Conclusions:

    • Automated imaging protocols can significantly decrease MR examination times.
    • This technique improves patient throughput for standardized MR studies.
    • The method is applicable to various anatomical regions, including the head and neck, temporal bone, and joints.