Radiation Dose Monitoring: Beyond CT · 2018. 4. 1. · Radiation Exposure Monitoring Tools SIIM...
Transcript of Radiation Dose Monitoring: Beyond CT · 2018. 4. 1. · Radiation Exposure Monitoring Tools SIIM...
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Radiation Dose Monitoring: Beyond CT
Tessa S. Cook, MD PhD University of Pennsylvania
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Radiation Dose Monitoring: Beyond CT
Tessa S. Cook, MD PhD University of Pennsylvania
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Radiation Dose Monitoring: CT and Beyond
Tessa S. Cook, MD PhD University of Pennsylvania
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My Experience
• Financial disclosures – None
• Principal developer of
RADIANCE – Freely available, open-
source dose monitoring system for CT
– Available since 2010
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What’s the data? How do I access
it?
What’s relevant? How do I present
it? To whom?
What does my state require?
What does Joint Commission
require?
Discussion Points
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Radiation Exposure Monitoring
REM Rads
Techs Physicists
IT
• More than just installing some software and checking a box
• The personal element is critical!
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Practical Considerations
Cost
Setup
Features
Collected parameters
Data review
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Cost/Setup
Software
Hardware/Networking
Maintenance/Support
Upgrades
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Features
• Modalities • Alerts • Dose indices tracked • Protocol management • Utilization analysis • DIR or other registry link
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Comparison of Dose Monitoring Tools
Modalities Other Features
Health Devices (ECRI Institute, 2012)
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• CT: kVp, mAs, CTDIvol, DLP • Fluoro/XA: ESD, DAP • CR/DR: EI • Nuclear medicine: mCi, conversion to
mSv • Conversion to organ dose?
Different Modalities, Different Indices
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• Image-based dose sheet • RDSR • DICOM headers • Text reports
• …and that’s just in Radiology! • What about the other imaging-rich
specialties?
Where’s the Data?
http://thestudioatbb.com/readlocal/wp-content/uploads/2012/07/0906200977958waldo.jpeg
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http://i1.ytimg.com/vi/yzxSrLa1d0g/hqdefault.jpg
http://a248.e.akamai.net/7/248/432/20110621154250/www.msdlatinamerica.com/ebooks/RockwoodGreensFracturesinAdults/files/d7bd9a43a41ba6943d5965153dbb5f9f.gif
http://www.neurosurgery-blog.com/
http://usa.healthcare.siemens.com/
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REM Management & Review
Scheduled review
Dose indices
Protocols Registry benchmarks
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• The lesson is simple: look at the data – it helps you improve!
Examples of Successful Interventions
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Interesting Things You Might Learn
• Old protocols still in use • Default protocols settings unexpectedly
modified • Vendor updates change protocols • Challenges to culture change at your
facility • Opportunities for dose reduction at every
step of the imaging process
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Reporting CT Dose Indices
✓ • Transparency • Accountability • Education
✗ • Meaning • Anxiety • Misuse
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Reporting CT Dose Indices
July 2012 May 2013
July 1, 2014
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http://www.acr.org/News-Publications/News/News-Articles/2014/ACR/20140516-The-Joint-Commission-Postpones-July-2014-Implementation-of-Diagnostic-Imaging-Standards
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http://www.jointcommission.org/standards_information/prepublication_standards.aspx
• Diagnostic Imaging Services Requirements
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http://www.radiologybusiness.com/topics/technology-management/medicare-pay-5-less-ct-scans-acquired-non-compliant-technology
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Summary
• Many reasons to do dose monitoring • Many tools available at different levels of
complexity, cost, capability • Look at the data and use it wisely • The software doesn’t do all the work –
form a committee to take responsibility and act on the data
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Thank You!