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Kinect Abnormal Movement Assessment System Presentation at Health 2.0 Boston
 

Kinect Abnormal Movement Assessment System Presentation at Health 2.0 Boston

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Presentation given at the end of the Boston Health 2.0 hackday on 2/19/11 demonstrating and explaining the system we built that day for assessing involuntary movement as part of psychiatric patient ...

Presentation given at the end of the Boston Health 2.0 hackday on 2/19/11 demonstrating and explaining the system we built that day for assessing involuntary movement as part of psychiatric patient tracking.

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Kinect Abnormal Movement Assessment System Presentation at Health 2.0 Boston Kinect Abnormal Movement Assessment System Presentation at Health 2.0 Boston Presentation Transcript

  • Boston Code-a-Thon Team Triangle: Claus C Becker, Greg Borenstein, Johnny Hujol, Daniel Karlin, Greg Kust, Francis Yee Project Triangle: Proof of Concept Using Kinect for Assessment of Tremor in People with Movement Disorders February 19, 2011 Copyright 2011: Team Triangle
  • Executive Summary
    • Self-selected to work together on device-based health-assessment problem
    • Focused on disease where diagnosis and evaluation is movement based
    • Developed Kinect-based application to enhance clinical assessment using home-grown and open-source code
    • Suggest scorecard report for physicians
    February 19, 2011 Copyright 2011: Team Triangle
  • Overview of Movement Disorders
    • Many diseases impact movement. We chose to focus on pure movement disorders (MDs)
    • MDs are neurological conditions that effect the speed, fluency, and ease of movement; and the ability to stop movement
    • Different kinds of MDs
      • Dyskinesia: abnormal fluency or speed of movement (tardive dyskinesia)
      • Hyperkinesia: excessive or involuntary movement (huntington chorea)
      • Hypokinesia: slowed or absent voluntary movement
    February 19, 2011 Copyright 2011: Team Triangle Our approach will complement clinical practices for the three types of MDs
  • Current Gaps
    • Problem
    • Current practice does an inadequate job of standardized assessment of MD and the frequency of the evaluations is too low. There is interest in daily (morning & night) tracking. A simple, at home data capture device may help to assess:
      • Disease progression, on a more granular & temporal basis
      • Response to therapy (e.g. efficacy, dosing, adverse events)
      • Adherence to therapy
    • Needs
      • Adherent & non-adherent progression measures
      • Utilize Kinect device to measure range of movements
      • Provide clinicians with more meaningful patient movement samples
    February 19, 2011 Copyright 2011: Team Triangle
  • Our Approach: automate Abnormal Involuntary Movement Scale
    • We built a Processing application that uses PrimeSense’s OpenNI middleware and the OSCeleton library for the Kinect to capture joint position data from the user
    • Our application tracks movement of the knee and hands over a ten second period and then displays user score based on the quantity of involuntary motion detected
    • https://github.com/atduskgreg/Triangle-Tremor-Assessment-Test
    February 19, 2011 Copyright 2011: Team Triangle
  • Impact on Health
    • Customized care
      • Clinical effectiveness & dose modification
      • Engaged patient participation
      • Adherence measures
        • e.g. prescription status (medication possession ratio [MPR])
    • Clinical scorecard: Severity score compared to baseline
      • MPR* + Patient self report + TTAS** = Health Score
    • Other applications
      • Tardive dyskinesia, Parkinson’s, Huntington’s
      • Movement disorders associated with drug side effects
    February 19, 2011 Copyright 2011: Team Triangle **TTAS: Triange tremor assessment score; *MPR: Medicine possession ratio
  • How TTAS might be used
    • At home or in the doctors office
    • Before and after taking medication to estimate effect
    • Daily to track progress (many data points to overcome noise)
    February 19, 2011 Copyright 2011: Team Triangle
  • Issues we wrestled with
    • Optimizing distance to and interaction with the Kinect
    • Defining normal level of involuntary movement
    • Software limitations in initializing device
    • Regulatory approval issues – device results not sufficiently validated for use in clinical treatments
    February 19, 2011 Copyright 2011: Team Triangle
  • Next steps
    • Refine software to include directions (e.g. ‘raise arms higher’)
    • Expand TTAS to entire AIMS scale
    • Improve statistical treatment of data
    • Clinical base-line and validation
    February 19, 2011 Copyright 2011: Team Triangle
  • References February 19, 2011 Copyright 2011: Team Triangle http://www.neurologychannel.com/movementdisorders/overview-of-movement-disorders.shtml http://www.nlm.nih.gov/medlineplus/movementdisorders.html http://www.atlantapsychiatry.com/forms/AIMS.pdf