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Changing physician behavior in ordering digoxin assays

G L Fraser1, D E Wennberg, J D Dickens

  • 1University of Vermont College of Medicine, Burlington, USA.

The Annals of Pharmacotherapy
|May 1, 1996
PubMed
Summary
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Clinical pharmacist education and health IT changes significantly reduced serum digoxin assay use by physicians. This sustained physician behavior change was achieved with a low-intensity, widely applicable model.

Area of Science:

  • Clinical Pharmacy
  • Health Informatics
  • Medical Practice Management

Background:

  • Physician use of serum digoxin assays can be excessive.
  • Modifying physician test-ordering behavior is crucial for healthcare efficiency.

Purpose of the Study:

  • To evaluate sustained modification of physician serum digoxin assay use.
  • To assess the impact of clinical pharmacist education and health information system changes.

Main Methods:

  • A before/after study design was employed.
  • Interventions included clinical pharmacist education and computerized medical information system modifications.
  • Serum digoxin assays per patient day were compared pre- and post-intervention.

Main Results:

Related Experiment Videos

  • Serum digoxin assay use decreased by 20.2% after the educational intervention.
  • Assay use was sustained at 16.3% below baseline after the health IT intervention.
  • In-hospital mortality and length of stay remained unaffected.

Conclusions:

  • A combined educational and health IT intervention effectively reduced serum digoxin assay utilization.
  • Physician behavior change was sustained for over 18 months.
  • This low-intensity model offers a scalable approach to optimizing diagnostic test use.