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WE‐B‐110‐01: Application of Medical Informatics to Patient Dose Management in Interventional Radiology
Author(s) -
Pavlicek W
Publication year - 2011
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.3613305
Subject(s) - dicom , fluoroscopy , medical physics , dosimetry , medicine , nuclear medicine , medical imaging , kerma , informatics , radiation dose , radiation exposure , computer science , radiology , engineering , electrical engineering
Tools for measurement and validation of radiation dose, including ALARA Policies for Fluoroscopically Guided Interventions (FGI) have been being developed using medical informatics. Informatics, primarily DICOM and Hl7 are rich content data sources that provide the potential for determination of peak skin dose, as well as a direct and immediate source of conventional metrics such as KAP, cumulative AK at the RP, and fluoroscopy duration. Newly purchased equipment may provide Radiation Dose Structured Reports which includes each radiation episode (fluoroscopy, DSA, Digitial Spots, or Cine) as separate records. For each of these data files, table position, exposure at the RP, collimation, etc. are available for use. A database has been created that uses DICOM exchange to capture dose related information for FGI. These data are used in conjunction with simulated C‐arm devices that more and mimic that which is encountered in a lab. When the desired physics parameters are included (backscatter factor, table attenuation, calibration of the vendors AK, etc) it is possible to re‐ create the exposure irradiations actually used, to compute and locate on a virtual patient the skin dose distribution and determine the Peak Skin Dose. This dose is saved to the data base for future QA uses.