BMC Med Inform Decis Mak - Improving access to clinical practice guidelines with an interactive graphical interface using an iconic language.

Tópicos

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Resumo

CKGROUND: Clinical practice guidelines are useful for physicians, and guidelines are available on the Internet from various websites such as Vidal Recos. However, these guidelines are long and difficult to read, especially during consultation. Similar difficulties have been encountered with drug summaries of product characteristics. In a previous work, we have proposed an iconic language (called VCM, for Visualization of Concepts in Medicine) for representing patient conditions, treatments and laboratory tests, and we have used these icons to design a user interface that graphically indexes summaries of product characteristics. In the current study, our objective was to design and evaluate an iconic user interface for the consultation of clinical practice guidelines by physicians.METHODS: Focus groups of physicians were set up to identify the difficulties encountered when reading guidelines. Icons were integrated into Vidal Recos, taking human factors into account. The resulting interface includes a graphical summary and an iconic indexation of the guideline. The new interface was evaluated. We compared the response times and the number of errors recorded when physicians answered questions about two clinical scenarios using the interactive iconic interface or a textual interface. Users' perceived usability was evaluated with the System Usability Scale.RESULTS: The main difficulties encountered by physicians when reading guidelines were obtaining an overview and finding recommendations for patients corresponding to "particular cases". We designed a graphical interface for guideline consultation, using icons to identify particular cases and providing a graphical summary of the icons organized by anatomy and etiology. The evaluation showed that physicians gave clinical responses more rapidly with the iconic interface than the textual interface (25.2 seconds versus 45.6, p < 0.05). The physicians appreciated the new interface, and the System Usability Scale score value was 75 (between good and excellent).CONCLUSION: An interactive iconic interface can provide physicians with an overview of clinical practice guidelines, and can decrease the time required to access the content of such guidelines.

Resumo Limpo

ckground clinic practic guidelin use physician guidelin avail internet various websit vidal reco howev guidelin long difficult read especi consult similar difficulti encount drug summari product characterist previous work propos icon languag call vcm visual concept medicin repres patient condit treatment laboratori test use icon design user interfac graphic index summari product characterist current studi object design evalu icon user interfac consult clinic practic guidelin physiciansmethod focus group physician set identifi difficulti encount read guidelin icon integr vidal reco take human factor account result interfac includ graphic summari icon index guidelin new interfac evalu compar respons time number error record physician answer question two clinic scenario use interact icon interfac textual interfac user perceiv usabl evalu system usabl scaleresult main difficulti encount physician read guidelin obtain overview find recommend patient correspond particular case design graphic interfac guidelin consult use icon identifi particular case provid graphic summari icon organ anatomi etiolog evalu show physician gave clinic respons rapid icon interfac textual interfac second versus p physician appreci new interfac system usabl scale score valu good excellentconclus interact icon interfac can provid physician overview clinic practic guidelin can decreas time requir access content guidelin

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