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- Title
Role of Computerized Physician Order Entry Systems in Facilitating Medication Errors.
- Authors
Koppel, Ross; Metlay, Joshua P.; Cohen, Abigail; Abaluck, Brian; Localio, A. Russell; Kimmel, Stephen E.; Strom, Brian L.
- Abstract
Context Hospital computerized physician order entry (CPOE) systems are widely regarded as the technical solution to medication ordering errors, the largest identified source of preventable hospital medical error. Published studies report that CPOE reduces medication errors up to 81%. Few researchers, however, have focused on the existence or types of medication errors facilitated by CPOE. Objective To identify and quantify the role of CPOE in facilitating prescription error risks. Design, Setting, and Participants We performed a qualitative and quantitative study of house staff interaction with a CPOE system at a tertiary-care teaching hospital (2002-2004). We surveyed house staff (N = 261; 88% of CPOE users); conducted 5 focus groups and 32 intensive one-on-one interviews with house staff, information technology leaders, pharmacy leaders, attending physicians, and nurses; shadowed house staff and nurses; and observed them using CPOE. Participants included house staff, nurses, and hospital leaders. Main Outcome Measure Examples of medication errors caused or exacerbated by the CPOE system. Results We found that a widely used CPOE system facilitated 22 types of medication error risks. Examples include fragmented CPOE displays that prevent a coherent view of patients’ medications, pharmacy inventory displays mistaken for dosage guidelines, ignored antibiotic renewal notices placed on paper charts rather than in the CPOE system, separation of functions that facilitate double dosing and incompatible orders, and inflexible ordering formats generating wrong orders. Three quarters of the house staff reported observing each of these error risks, indicating that they occur weekly or more often. Use of multiple qualitative and survey methods identified and quantified error risks not previously considered, offering many opportunities for error reduction. Conclusions In this study, we found that a leading CPOE system often facilitated medication error risks, with many...
- Subjects
HOSPITALS; INFORMATION technology; MEDICAL errors; COMPUTER systems; MEDICAL personnel; MEDICATION errors; DRUGS
- Publication
JAMA: Journal of the American Medical Association, 2005, Vol 293, Issue 10, p1197
- ISSN
0098-7484
- Publication type
Article
- DOI
10.1001/jama.293.10.1197