Cover: Perceptions of Standards-Based Electronic Prescribing Systems as Implemented in Outpatient Primary Care

Perceptions of Standards-Based Electronic Prescribing Systems as Implemented in Outpatient Primary Care

A Physician Survey

Published In: Journal of the American Medical Informatics Association, v. 16, no. 4, July/Aug. 2009, p. 493-502

by C. Jason Wang, Mihir H Patel, Anthony J. Schueth, Melissa A. Bradley, Shin-Yi Wu, Jesse C. Crosson, Peter Glassman, Douglas S. Bell

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Abstract

OBJECTIVE: To compare the experiences of e-prescribing users and non-users regarding prescription safety and workload and to assess the use of information from two e-prescribing standards (for medication history and formulary and benefit information), as they are currently implemented. DESIGN: Cross-sectional survey of physicians who either had installed or were awaiting installation of one of two commercial e-prescribing systems. MEASUREMENTS: Perceptions about medication history and formulary and benefit information among all respondents, and among e-prescribing users, experiences with system usability and job performance impact. E-prescribing usage volumes were also obtained. RESULTS: Of 395 eligible physicians, 228 (58%) completed the survey. E-prescribers (N=139) were more likely than non-e-prescribers (N=89) to perceive that they can identify clinically important drug-drug interactions (83% vs. 67%, p=0.004) but not that they can identify prescriptions from other providers (65% vs. 60%, p=0.49). They also perceived no significant difference in calls about drug coverage problems (76% vs. 71% reported getting 10 or fewer such calls per week; p= 0.43). Most e-prescribers reported high satisfaction with their systems, but 17% had quit using the system and another 46% said they sometimes revert to handwriting for prescriptions that they could write electronically. The extent of e-prescribing use was associated with perceptions that it enhanced job performance, whereas quitting was associated with perceptions of poor usability. CONCLUSION: E-prescribing users reported patient safety benefits but they did not perceive the enhanced benefits expected from using standardized medication history or formulary and benefit information. Additional work is needed for these standards to have the desired effects.

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