FindZebra Search Tool Expected to Advance Medical Field

May 22, 2013

FindZebra Search Tool Expected to Advance Medical Field

May 22, 2013 Alex
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FindZebra rare disease search engine

There’s a new kid in town.

With all the adorably named animal-referencing Google algorithms updating through Summer and into Autumn, the firmly secured ‘Creative Class’ didn’t miss the (truly) miraculous search engine expected to rival popular alumni, Google.

FindZebra is a search engine that is expected to prove extraordinarily useful in the diagnosis of rare disease.

“There is a wealth of articles on the Internet describing rare diseases and their symptoms—some of which are high quality and very thorough, while others are more haphazard and undocumented. Doctors often use the PubMed biomedical article database, which also has a search function.

However, searching on individual symptoms is usually not enough—doctors ideally need to know the name of an article’s author or the like in order to get useful results. If you search on Google you may be fortunate enough to find articles on rare diseases, but Google’s (secret) algorithms are optimized based on how many clicks search results receive. Common searches are therefore continually improved, while specialized searches, for example for rare diseases, do not necessarily benefit from Google’s ongoing development.

“When I became aware of the problem of finding the right diagnosis using normal Google searches, I thought to myself: ‘There must be a better way!’,” says Ole Winther. He put together a small team to develop a search engine with a special focus on rare diseases. Two undergraduates were initially assigned to the project, and they were later joined by two MSc thesis students, Radu Dragusin and Paula Petcu.”

Read more at: http://medicalxpress.com/news/2013-05-rare.html#jCp

Physicians are trained to arrive at a medical diagnosis by starting with the potential causes that are most common. The adage is “When you hear hoofbeats, think horses—not zebras.” This is logical and effective if a patient has a common condition, but the diagnosis of an orphan condition requires a different approach. The National Organization for Rare Disorders estimates that it takes an average of 9 years for a rare disease patient to get an accurate diagnosis.

This means that many patients, caregivers and physicians are online searching for answers, using search engines and forums. But, if you’ve ever tried searching Google or Bing for rare disease symptoms, you know that this is not effective. Enter Radu Dragusin from the Technical University of Denmark and a few colleagues who have launched a new search engine dedicated to the diagnosis of rare diseases called FindZebra.com.

Their study published in the International Journal of Medical Informatics shows FindZebra outperforms Google. The research explains that the algorithms of popular search engines (such as Google) favor websites that have a number of other websites linking back to them. These links validate that the information has been found useful to others. But by its very nature, information on rare disorders is typically scarce and has fewer backlinks.

How does FindZebra work?
The study notes: “It uses a specially curated dataset of rare disease information, which is crawled from freely available online authoritative resources. This means that FindZebra searches for rare disease information from a repository of ‘clean,’ specialized resources, unlike web search engines that search the whole web and are hence likely to return spurious, commercial and less relevant results.”

How does FindZebra compare to Google? 
This blog post describes the success: “Evaluating on a set of 56 queries…Zebra easily beats Google. Zebra finds the correct diagnosis in top 20 results in 68% of the cases, while Google succeeds in 32% of them.” I did my own comparison and searched “purple urine,” which is a common symptom of a group of orphan conditions called Porphyrias. On Google, Porphyria doesn’t appear on the first three pages of the results, but for FindZebra it’s the second choice, with Acute Intermittent Porphyria showing as the seventh and eighth results.

On FindZebra is a warning that it is a research project and it is to be used only by medical professionals. It will be interesting to see how FindZebra evolves and if it gains wide adoption among healthcare professionals and patients. I know I’ll be using it. Will you?

For more information on orphan drugs and rare diseases, check out the World Orphan Drug Congress USA. Siren Interactive was a silver sponsor of the 2013 event.

Read Full Post Here:

http://blogs.terrapinn.com/total-biopharma/2013/05/20/guest-blog-findzebra-rare-disease-search-engine/?pk_campaign=Event&pk_kwd=Related

Visit FindZebra here:

http://findzebra.compute.dtu.dk/

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