Impact of Vendor Computerized Physician Order Entry in Community Hospitals
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It is uncertain if computerized physician order entry (CPOE) systems are effective at reducing adverse drug event (ADE) rates in community hospitals, where mainly vendor-developed applications are used.
To evaluate the impact of vendor CPOE systems on the frequency of ADEs.
DESIGN AND PATIENTS
Prospective before-and-after study conducted from January 2005 to September 2010 at five Massachusetts community hospitals. Participants were adults admitted during the study period. A total of 2,000 charts were reviewed for orders, medication lists, laboratory reports, admission histories, notes, discharge summaries, and flow sheets.
The primary outcome measure was the rate of preventable ADEs. Rates of potential ADEs and overall ADEs were secondary outcomes.
The rate of preventable ADEs decreased following implementation (10.6/100 vs. 7.0/100 admissions; p = 0.007) with a similar effect observed at each site. However, the associated decrease in preventable ADEs was balanced against an increase in potential ADEs (44.4/100 vs. 57.5/100 admissions; p < 0.001). We observed a reduction of 34.0% for preventable ADEs, but an increase of 29.5% in potential ADEs following implementation. The overall rate of ADEs increased (14.6/100 vs. 18.7/100 admissions; p = 0.03), which was driven by non-preventable events (4.0/100 vs. 11.7/100 admissions; p < 0.001).
Adoption of vendor CPOE systems was associated with a decrease in the preventable ADE rate by a third, although the rates of potential ADEs and overall ADEs increased. Our findings support the use of vendor CPOE systems as a means to reduce drug-related injury and harm. The potential ADE rate could be reduced by making refinements to the vendor applications and their associated decision support.
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- Impact of Vendor Computerized Physician Order Entry in Community Hospitals
Journal of General Internal Medicine
Volume 27, Issue 7 , pp 801-807
- Cover Date
- Print ISSN
- Online ISSN
- Additional Links
- medication safety
- adverse drug events
- unintended consequences
- Industry Sectors
- Alexander A. Leung MD (1)
- Carol Keohane BSN, RN (1)
- Mary Amato PharmD, MPH, BCPS (1) (2)
- Steven R. Simon MD, MPH (1)
- Michael Coffey MD (4)
- Nathan Kaufman MD (4)
- Bismarck Cadet MD (3)
- Gordon Schiff MD (1)
- Eyal Zimlichman MD, MSc (1)
- Diane L. Seger RPh (1)
- Catherine Yoon MS (1)
- Peter Song BSE (1)
- David W. Bates MD, MSc (1)
- Author Affiliations
- 1. Division of General Internal Medicine and Primary Care, Brigham and Women’s Hospital, Brigham Circle, 1620 Tremont St., 3rd Floor, Boston, MA, 02120-1613, USA
- 2. Massachusetts College of Pharmacy and Health Sciences, Boston, MA, USA
- 4. Partners Community Healthcare, Inc., Boston, MA, USA
- 3. New England Medical Specialists, North Andover, MA, USA