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Related Experiment Videos

Diagnostic equipment outside the laboratory.

J M Burrin1, J A Fyffe

  • 1Department of Medicine, Hammersmith Hospital, London.

Journal of Clinical Pathology
|September 1, 1988
PubMed
Summary
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Clinical biochemistry laboratories often lack control over extralaboratory equipment, leading to significant quality assurance concerns. Many instruments lack proper internal quality control and user training, with external quality assessment being virtually nonexistent.

Area of Science:

  • Clinical Biochemistry
  • Laboratory Medicine
  • Medical Technology Assessment

Background:

  • Extralaboratory equipment is increasingly used in clinical settings.
  • Lack of standardized oversight for this equipment poses risks to patient care.
  • Clinical biochemistry laboratories face challenges in managing non-laboratory owned instruments.

Purpose of the Study:

  • To investigate the types and usage of extralaboratory equipment in UK clinical biochemistry labs.
  • To assess the quality assurance (QA) procedures for this equipment.
  • To identify laboratory involvement in the maintenance and QA of extralaboratory instruments.

Main Methods:

  • A questionnaire was distributed to clinical biochemistry laboratories in the North West Thames region.

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  • Data collected included instrument types, numbers, laboratory relationships, and QA practices.
  • Analysis focused on laboratory responsibility and QA involvement.

    • Main Results:

    • Laboratories expressed willingness to maintain equipment they did not purchase or manage.
    • Significant concerns were raised regarding the quality assurance of extralaboratory instruments.
    • Internal quality control and user training were inadequate for blood gas analyzers, bilirubin meters, and glucose meters.
    • External quality assessment was absent for most instruments, except for glucose meters in two labs.

    Conclusions:

    • Clinical biochemistry laboratories have limited control over extralaboratory equipment.
    • There are substantial deficiencies in the quality assurance and training for these instruments.
    • Urgent improvements in oversight and standardization of extralaboratory equipment are needed to ensure reliable diagnostic testing.