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Baylor University Medical Center Proceedings
The peer-reviewed journal of Baylor Scott & White Health
Volume 17, 2004 - Issue 3
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Health Care Research and Improvement

A Baseline Study of Medication Error Rates at Baylor University Medical Center in Preparation for Implementation of a Computerized Physician Order Entry System

Pages 357-361 | Published online: 11 Dec 2017
 

Abstract

Objective

To determine baseline levels of medication errors and their root causes so as to highlight areas of potential process improvements and serve as a ruler against which to measure future improvements.

Design

A prospective pharmacist intervention study determining errors in 1014 medication orders at Baylor University Medical Center. Only errors in the process of medication ordering were documented; errors in drug administration were not considered. Root causes of errors were examined.

Results

The baseline medication error rate was 111.4 per 1000 orders (n = 1014). Most common were dosing errors (43.4 per 1000 orders), followed by frequency errors (19.7 per 1000 orders) and unavailable drug errors (12.8 per 1000 orders). Of the 113 total errors found, 52 (46%) had a transcription-based cause, i.e., an error in inputting the handwritten physician order into a computer system. System- or process-related root causes (such as duplicate orders or lack of crossover from one information system to another) accounted for 35.4% of the errors, and prescribing-based causes (such as wrong dosage or nonformulary drugs) accounted for 18.6% of errors.

Conclusions

Implementing a computerized physician order entry (CPOE) system would eliminate order-entry transcription-based errors. Its ability to resolve system/process-based and prescribing-based root causes of error is not as clear. Furthermore, the modification of processes due to implementation of CPOE could lead to new types of errors. Present processes must be redesigned according to evidence-based medicine, and future processes must be anticipated as technological changes occur. Such efforts—rather than outright reliance on technology—are more likely to lead to an error-free environment after CPOE is implemented.

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