ArticlePediatric radiology2025
Two-year experience of radiation dose watch for pediatric general fluoroscopic examinations.
Article in Pediatric radiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe radiation dose of pediatric general fluoroscopy exams has historically been a topic of concern, with ongoing efforts and significant progress made.
objectiveThe purpose of this study is to evaluate dose performance with a dose monitor program for pediatric general fluoroscopy. MATERIALS AND
methodsPediatric general fluoroscopy exams performed between April 1, 2020, and Dec. 31, 2022 were collected and monitored. For each exam, fluoroscopy time, dose-area-product (DAP), reference air kerma (RAK), and patient demographic information were analyzed. RAK, DAP, and fluoroscopy time were tested using Pearson's correlation methods for the three most frequently performed procedures. The influence of patient habitus on dose was studied using linear regression methods. Dose performance among radiologists was compared and so the Wilcoxon signed-rank test between radiologists with ≤ 5 years and > 5 years of experience post fellowship. A significance level of P<0.05 was used to determine statistical significance.
resultsA total of 12,029 cases were analyzed and the median RAK values range from 0.10 mGy to 1.30 mGy. RAK demonstrated a stronger correlation with DAP (upper gastrointestinal (UGI), R=0.97; P<0.0001) than with fluoroscopy time (UGI, R=0.19; P<0.0001). RAK values were linearly correlated with patient weight (UGI, R=0.49; P<0.0001). A stable trend of median RAK values was observed across the studied time periods. Radiologists with ≤ 5 years' experience showed significantly lower (P<0.0001) RAK than those with > 5 years' experience.
conclusionVariations of pediatric general fluoroscopy dose performance were observed when comparing with other investigations. This study demonstrated that both patient size and operator experience influence radiation output in general fluoroscopy, factors that should be considered for pediatric fluoroscopy procedures.
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