Robertson Research Institute's NxOpinion gives doctors a virtual second opinion
Computerworld - In a developing nation, a physician enters his observations of a patient's condition into a tablet computer. A user-friendly application compares the data to a massive knowledge base, then requests additional information from the physician to facilitate a rapid and accurate diagnosis through a unique "virtual dialogue."
That's the goal of the NxOpinion project at Robertson Research Institute, which is testing an innovative approach to medical informatics that's aimed at physicians in underserved communities.
According to Dr. Joel Robertson, founder and CEO of Saginaw, Mich.-based RRI, the organization has been working on NxOpinion (pronounced "next opinion") since 1992, when he decided to provide physicians with "exception-based, rapid diagnostics, for when a person fits the textbook case but doesn't get better."
The decision-support system required the building of interfaces for busy physicians and the development of content management systems for the huge amount of data that users would access and add to, Robertson explains.
"The problem with most [diagnostic support] products is that physicians are impatient and in a hurry -- they don't like spending time on re-entry of data," says Barry Heib, a medical doctor and an analyst at Gartner Inc.
"Other databases require doctors to have a medical informatics background. We want NxOpinion to be usable by any physician," says Robertson.
"The output must be equally user-friendly as the input," he says, adding that NxOpinion is a mobile technology that could eventually "reside on a PDA, tablet computer or PC and be updated when those devices are synced."
Physicians in the Dominican Republic use a tablet PC to test the user interface of NxOpinion.
Image Credit: Robertson Research Institute
NxOpinion "was designed to facilitate and enhance workflow," says Bates, who participated in pilot testing in the Dominican Republic. "I didn't think any of the doctors there had seen a tablet [PC] before, but they easily picked it up. Adding data worked better than expected, thanks to the flexibility of the English/Spanish translation capability."
RRI contracted with Sagestone Consulting Inc. to develop NxOpinion. The Grand Rapids, Mich.-based company built the application with Microsoft Corp. technologies.
"The core of the application engine takes data, correlates it and produces differential diagnoses," says Keith Brophy, CEO of Sagestone and chief technology officer of NxOpinion at RRI, referring to the Bayesian logic used by the system. "It's a unique way of leveraging decision theory.
"We wanted dynamic updating of data. As evidence is entered, the diagnostic options presented change," says Brophy. "We needed a fast turnaround of four clicks or less, because our testing found that if it took three minutes or more, a diagnosis would be abandoned."
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