Enabling Shared Decision Making to Reduce Harm from Drug Interactions: An End-to-End Demonstration
Project Final Report (PDF, 1.27 MB) Disclaimer
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Use of DDInteract resulted in patients favoring pain treatments with less risk of gastrointestinal bleeding, with this tool having broad applicability to other therapeutic interventions that would benefit from this model of SDM.
Project Details -
Completed
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Grant NumberU18 HS027099
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AHRQ Funded Amount$995,341
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Principal Investigator(s)
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Organization
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LocationSalt Lake CityUtah
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Project Dates09/30/2019 - 09/29/2021
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Technology
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Care Setting
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Medical Condition
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Health Care Theme
While drug-drug interactions (DDIs) are preventable, they still account for 5 to 14 percent of adverse drug reactions (ADRs) in hospitalized patients and up to 13 percent of elderly ambulatory patients. Adoption of clinical decision support (CDS) tools that use DDI drug checking has not solved the issue, with alerts often overridden by providers. Although patients could play a role in preventing harm due to DDIs, they are not currently engaged in shared decision making (SDM) around risks.
This research moved beyond physician-centric decision making to patient-centered SDM by creating a dashboard that graphically communicates risks and decision options. The research team designed and assessed usability of this DDI tool, DDInteract, for SDM around risk of gastrointestinal (GI) bleeding with the DDI between warfarin and nonsteroidal anti-inflammatory drugs.
The specific aims of the research were as follows:
- Design and evaluate a user centered DDI CDS dashboard called DDInteract.
- Enable the creation of contextual DDI CDS knowledge artifacts using CDS Connect.
- Conduct a pilot dissemination of DDInteract and DDI knowledge process.
DDInteract includes a patient-specific risk profile, patient education information, and a treatment decision tree. It uses SMART on FHIR standards, making it vendor-agnostic and interoperable. Applying user-centered design principles, the tool was designed, tested, and evaluated using physician-patient pairs and a simulated encounter. The dyads were randomized to either the use of the tool or usual care. Four patients 65-85 years old who had been on warfarin for more than 5 years, as well as 11 clinicians participated in the evaluation. DDInteract was positively received by both patients and physicians, with patients favoring pain treatments with less risk of GI bleeding.
The researchers also designed extensions for the CDS Connect Authoring Tool. This tool is an interface that allows users to create CDS logic that is exported as FHIR standards, allowing them to be adopted by others. Using CDS Hooks, these new extensions allowed a CDS author to specify where in an electronic health record (EHR) DDI’s CDS rules could be integrated, specifically the medication ordering, patient-view, order-select, and order-review hooks. CDS Hooks is an HL7 specification that specifies how to embed CDS functionality within the EHR, allowing others to more efficiently and effectively incorporate CDS into their EHRs. The researchers plan to further evaluate DDInteract to better understand how the tool impacts decision making, satisfaction, and clinician workflow.
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