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Radiologists experience increased workload when diagnostic errors occur on CT scans. These errors happen throughout the day, not just at the end, indicating a need to manage radiologist workload to improve patient safety.

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Area of Science:

  • Radiology and Medical Imaging
  • Healthcare Quality and Patient Safety
  • Occupational Health in Medicine

Background:

  • Diagnostic errors in medical imaging can impact patient care and outcomes.
  • Understanding factors contributing to diagnostic errors is crucial for improving healthcare quality.
  • Radiologist workload is a potential factor influencing diagnostic accuracy.

Purpose of the Study:

  • To investigate the association between radiologist workload and diagnostic errors identified in clinical CT scans.
  • To quantify the normalized workload of radiologists on days when diagnostic errors occurred.

Main Methods:

  • Retrospective analysis of clinical CT scans with addenda noting perceptual errors from January 2020 to March 2023.
  • Calculation of normalized workload (workloadnormalized) based on relative value units compared to individual radiologist's average daily production.
  • Inclusion criteria focused on errors in reports issued during standard office hours.

Main Results:

  • A total of 49 diagnostic errors were analyzed, with common locations including lung and bone.
  • The average normalized workload on days with diagnostic errors was 121%, significantly higher than the baseline (P = 0.008).
  • No significant temporal trend of diagnostic errors was observed throughout the workday.

Conclusions:

  • Radiologists appear to be under relative work overload when diagnostic errors occur on CT scans.
  • Diagnostic errors are distributed throughout the day, suggesting workload management is important at all times.
  • Findings highlight the need for strategies to mitigate risks associated with high radiologist workload.