Hercules Daliani

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  • TakeCare
  • 15 min per consultation, 5 min record reading Save 1 min, 1/60 h x 4 000 physicans x 24 consultations/day x 22 days x 10 months x 60 Euro/h = 21 MEuro /year (with 2 min => 42 Meuro/year)
  • ICD-10 coding is boring, difficult and time consuming.
  • Hercules Daliani

    1. 1. Reusing clinical documentation for better health Hercules Dalianis IT for Health Department of Computer and Systems Sciences (DSV) [email_address]
    2. 2. Clinical documentation <ul><li>Legal reasons to document health care </li></ul><ul><li>Documentation is also supportive/memory notes for clinicians </li></ul>Hercules Dalianis/Global Forum, Nov 8, 2011
    3. 3. Primary user <ul><li>Writers and readers </li></ul><ul><ul><li>23 000 only in Stockholm </li></ul></ul><ul><li>Health personnel </li></ul><ul><ul><li>Physicians, nurses, psychologist, therapists, etc. </li></ul></ul><ul><li>Hospital management </li></ul>Hercules Dalianis/Global Forum, Nov 8, 2011
    4. 4. Why clinical text mining <ul><li>4-10 million pages of patient records are produced each year in Sweden (pop. 10 million) </li></ul><ul><li>The records contain both structured data (age, gender, admission date, clinic, ICD-10 diagnosis codes) and unstructured data (free text, doctor notes, reasoning, etc.) </li></ul>Hercules Dalianis/Global Forum, Nov 8, 2011
    5. 5. Hercules Dalianis/Global Forum, Nov 8, 2011
    6. 6. Problems with health documentation processes <ul><li>One third of the consultation time is writing and reading patient records </li></ul><ul><li>Poor navigation support </li></ul><ul><li>Very little of the information in the patient documentation repository is reused </li></ul><ul><li>ICD-coding completely manually, low quality and costly </li></ul><ul><ul><li>15 percent wrong or missing codes </li></ul></ul><ul><ul><li>Expensive: $25 billion/year in U.S. (Lang, 2007) </li></ul></ul>Hercules Dalianis/Global Forum, Nov 8, 2011
    7. 7. Solutions? <ul><li>Yes, there are solutions! </li></ul>Hercules Dalianis/Global Forum, Nov 8, 2011
    8. 8. Better overview of the records <ul><ul><li>Automatic text summarisation </li></ul></ul><ul><ul><ul><li>Extraction of symptoms and diagnosis. </li></ul></ul></ul><ul><ul><ul><li>Extraction of drugs </li></ul></ul></ul><ul><ul><ul><li>Time line </li></ul></ul></ul><ul><ul><li>Better navigation </li></ul></ul>Hercules Dalianis/Global Forum, Nov 8, 2011
    9. 9. Hercules Dalianis
    10. 10. Improved readability and usability <ul><ul><li>30 seconds faster reading and writing on each consultation will result in a huge saving </li></ul></ul><ul><ul><li>In Stockholm one would save 20 MEuro/year! </li></ul></ul>Hercules Dalianis/Global Forum, Nov 8, 2011
    11. 11. Automatic ICD-10 code assignment <ul><li>Use previous assigned diagnosis codes (ICD-10) to patient records to propose new codes. </li></ul><ul><ul><li>Use random indexing on all previous available patient records (> millions of records) to create a words space model. </li></ul></ul><ul><li>Enter a diagnosis one gets an ICD-10-code </li></ul><ul><li>82 percent correct assigned codes in Rheumatology </li></ul>Hercules Dalianis/Global Forum, Nov 8, 2011
    12. 12. Conclusions <ul><li>Reuse all patient records for automatic summarisation </li></ul><ul><li>Better navigation saves money and time </li></ul><ul><li>Automatic ICD-code assignment gives higher quality and saves time </li></ul>Hercules Dalianis/Global Forum, Nov 8, 2011

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