Document Detail


Challenges to protocol optimization due to unexpected variation of CT contrast dose amount and flow.
MedLine Citation:
PMID:  23143417     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
High-quality computed tomography (CT) exams are critical to maximizing radiologist's interpretive ability. Exam quality in part depends on proper contrast administration. We examined injector data from consecutive abdominal and pelvic CT exams to analyze variation in contrast administration. Discrepancies between intended IV contrast dose and flow rate with the actual administered contrast dose and measured flow rate were common. In particular, delivered contrast dose discrepancies of at least 10% occurred in 13% of exams while discrepancies in flow rate of at least 10% occurred in 42% of exams. Injector logs are useful for assessing and tracking this type of variability which may confound contrast administration optimization and standardization efforts.
Authors:
Tracy J Robinson; Jeffrey D Robinson; Daniel S Hippe; Lee M Mitsumori
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of digital imaging     Volume:  26     ISSN:  1618-727X     ISO Abbreviation:  J Digit Imaging     Publication Date:  2013 Jun 
Date Detail:
Created Date:  2013-05-09     Completed Date:  2014-01-09     Revised Date:  2014-06-03    
Medline Journal Info:
Nlm Unique ID:  9100529     Medline TA:  J Digit Imaging     Country:  United States    
Other Details:
Languages:  eng     Pagination:  402-5     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Contrast Media / administration & dosage*
Data Collection
Humans
Radiographic Image Interpretation, Computer-Assisted
Radiography, Abdominal
Software
Tomography, X-Ray Computed / methods*
Chemical
Reg. No./Substance:
0/Contrast Media
Comments/Corrections

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