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Related Experiment Videos

Managing for total quality in a large laboratory. Some examples.

R Gambino1, P Mallon, G Woodrow

  • 1MetPath, Teterboro, NJ 07608.

Archives of Pathology & Laboratory Medicine
|November 1, 1990
PubMed
Summary

Managing laboratory quality requires systematic analysis of proficiency test errors. Real-time feedback for technologists significantly decreases errors, improving overall quality control.

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Area of Science:

  • Clinical laboratory science
  • Quality management systems
  • Diagnostic testing

Background:

  • Large-volume laboratories offer unique insights into quality management.
  • Proficiency testing (PT) errors are a critical data subset for quality control.
  • Systematic analysis of PT data is essential for diagnostic information.

Purpose of the Study:

  • To evaluate the value of specific quality management approaches in a high-volume laboratory.
  • To analyze the impact of handling procedures on proficiency test errors.
  • To determine the effectiveness of real-time feedback on error reduction.

Main Methods:

  • Analysis of a large database of laboratory requisitions and proficiency test results.
  • Comparison of error rates under different PT handling protocols (standard vs. special).
  • Assessment of the correlation between technologist feedback and error frequency.

Main Results:

  • No benefit was found in performing proficiency tests in duplicate or handling them differently from patient samples.
  • Special handling of PTs can paradoxically increase error rates.
  • Error rates decreased significantly when technologists received real-time performance feedback.

Conclusions:

  • Standardized handling of proficiency tests, similar to patient samples, is recommended.
  • Specialized procedures for PTs do not enhance quality and may increase errors.
  • Implementing real-time feedback systems for laboratory technologists is a key strategy for improving total quality and reducing errors.

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