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Related Experiment Videos

Usefulness of selectively ordered preoperative tests.

Y Charpak1, C Blery, C Chastang

  • 1Département de biostatistique et informatique médicale, Hôpital Saint-Louis, Paris, France.

Medical Care
|February 1, 1988
PubMed
Summary
This summary is machine-generated.

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Selectively ordered preoperative tests show high usefulness in patient care, impacting treatment and anesthetic management. However, improved criteria for test indications are needed, as non-protocol tests proved valuable.

Area of Science:

  • Anesthesiology
  • Laboratory Medicine
  • Patient Management

Background:

  • Preoperative testing is standard practice, but its utility is debated.
  • Selective ordering aims to improve efficiency and relevance of tests.
  • Assessing test usefulness requires evaluating impact beyond simple abnormality yield.

Purpose of the Study:

  • To prospectively evaluate the usefulness of selectively ordered preoperative tests.
  • To compare two methods of assessing test usefulness: clinician assessment and automated analysis.
  • To determine the impact of preoperative tests on patient care and management.

Main Methods:

  • Prospective evaluation of 12 preoperative tests in 3,866 patients.
  • Two assessment methods: clinician judgment and automated analysis of clinical situations.

Related Experiment Videos

  • Data collected on test abnormality, impact on surgery, treatment, and anesthetic management.

    • Main Results:

    • 30% of 15,920 performed tests were abnormal.
    • Preoperative tests influenced treatment or anesthetic management in 9% of patients.
    • Clinicians and automated analysis found tests useful in 24% and 23% of patients, respectively.
    • A significant discrepancy in usefulness assessment existed, particularly for normal test results.

    Conclusions:

    • Selectively ordered preoperative tests can be highly useful in patient care.
    • Current criteria for test indications may be suboptimal.
    • Further research is needed to refine guidelines for preoperative test selection, considering both abnormal and normal results.