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Updated: Jul 5, 2026

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

Published on: August 1, 2019

CPOE system design aspects and their qualitative effect on usability.

Reza Khajouei¹, Monique W M Jaspers

¹Department of Medical Informatics, Academic Medical Center-University of Amsterdam, The Netherlands. r.khajouei@amc.uva.nl

Studies in Health Technology and Informatics

|May 20, 2008

Summary

Computerized Provider Order Entry (CPOE) system design significantly impacts usability and medication errors. Optimizing CPOE configuration enhances clinician adoption and system safety.

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Last Updated: Jul 5, 2026

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

Published on: August 1, 2019

Area of Science:

Health Informatics
Medical Informatics
Clinical Systems Design

Background:

Computerized Provider Order Entry (CPOE) systems offer benefits but their design influences clinician adoption and workflow.
Poorly configured CPOE systems can lead to usability issues, user dissatisfaction, and disruption of clinical activities.
Specific design elements of CPOE medication systems can inadvertently create opportunities for medication errors.

Purpose of the Study:

To identify design aspects of CPOE medication systems that affect usability and contribute to medication errors.
To provide insights for improving CPOE system design for better user adoption and safety.

Main Methods:

Systematic literature review of publications from 1986-2006.
Searches conducted in PubMed, EMBASE, and Ovid MEDLINE.
Extracted design aspects categorized into six groups: alert timing, login/logout, pick lists, guidelines, documentation, and screen layout.

Main Results:

CPOE system configuration profoundly impacts ease of use, clinician task behavior, and medication error rates.
Specific design choices in areas like alert timing and data entry influence system effectiveness.
The study identified key design factors contributing to both usability challenges and medication errors.

Conclusions:

CPOE system design is critical for successful implementation and clinician adoption.
Improving CPOE design can enhance user-friendliness, efficiency, and patient safety.
Recommendations are provided for CPOE designers to create more effective and safer systems.