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Related Experiment Videos

Maximizing outpatient computed tomography productivity using multiple technologists.

Giles W L Boland1, Margaret P Houghton, David G Marchione

  • 1Departmentof Radiology, White Building 270C, Massachusetts General Hospital, 55Fruit Street, Boston, MA 02114, USA. gboland@partners.org

Journal of the American College of Radiology : JACR
|February 5, 2008
PubMed
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Increasing computed tomography (CT) scanner capacity requires more staff. A 3-technologist model significantly boosts patient throughput, potentially tripling CT productivity and reducing wait times.

Area of Science:

  • Radiology and Imaging Technology
  • Healthcare Operations Management

Background:

  • Patient access to computed tomography (CT) is limited by technologist workflow.
  • Current single-technologist models are inefficient for high-volume outpatient CT scanning.
  • Optimizing technologist staffing can enhance CT capacity and reduce patient wait times.

Purpose of the Study:

  • To evaluate the impact of 2- and 3-technologist models on outpatient multidetector CT patient throughput.
  • To determine the potential increase in CT scanner capacity with additional personnel.
  • To assess the efficiency of different technologist staffing models.

Main Methods:

  • Identified and timed 34 individual technologist tasks in CT scanning.
  • Measured task completion times using 1-, 2-, and 3-technologist models.

Related Experiment Videos

  • Calculated hourly patient throughput and CT room time per patient for each model.
  • Developed theoretical CT operations to assess capacity impact.

    • Main Results:

    • The 3-technologist model reduced total task time to 22 minutes and CT room time to 8.0 minutes per patient.
    • Hourly patient throughput increased from 2.2 (1-technologist) to 5.2 (2-technologists) and 7.5 (3-technologists).
    • A 3-technologist model can create over 22,000 additional CT slots weekly compared to a single-technologist model.

    Conclusions:

    • Single-technologist CT scanning is inefficient, limiting patient throughput.
    • Employing multiple technologists significantly optimizes CT throughput and capacity.
    • A 3-technologist model offers a substantial increase in CT productivity, exceeding three-fold.