• Janessa M Graves, Kalpana M Kanal, Monica S Vavilala, Kimberly E Applegate, Jeffrey G Jarvik, and Frederick P Rivara.
• College of Nursing, Washington State University, Spokane, Washington; Harborview Injury Prevention and Research Center, University of Washington, Seattle, Washington; Department of Pediatrics, School of Medicine, University of Washington, Seattle, Washington. Electronic address: janessa.graves@wsu.edu.
• J Am Coll Radiol. 2014 Jul 1;11(7):717-724.e1.

ObjectivesTo examine hospital-level factors associated with the use of a dedicated pediatric dose-reduction protocol and protective shielding for head CT in a national sample of hospitals.MethodsA mixed-mode (online and paper) survey was administered to a stratified random sample of US community hospitals (N = 751). Respondents provided information on pediatric head CT scanning practices, including use of a dose-reduction protocol. Modified Poisson regression analyses describe the relative risk (RR) of not reporting the use of a pediatric dose-reduction protocol or protective shielding; multivariable analyses adjust for census region, trauma level, children's hospital status, and bed size.ResultsOf hospitals that were contacted, 38 were ineligible (no CT scanner, hospital closed, do not scan infants), 1 refused, and 253 responded (35.5% response rate). Across all hospitals, 92.6% reported using a pediatric dose-reduction protocol. Modified Poisson regression showed that small hospitals (0-50 beds) were 20% less likely to report using a protocol than large hospitals (>150 beds) (RR: 0.80, 95% confidence interval [CI]: 0.65-0.99; adjusted for covariates). Teaching hospitals were more likely to report using a protocol (RR: 1.10, 95% CI: 1.02-1.19; adjusted for covariates). After adjusting for covariates, children's hospitals were significantly less likely to report using protective shielding than nonchildren's hospitals (RR: 0.64, 95% CI: 0.56-0.73), though this may be due to more advanced scanner type.ConclusionResults from this study provide guidance for tailored educational campaigns and quality improvement interventions to increase the adoption of pediatric dose-reduction efforts.Copyright © 2014 American College of Radiology. Published by Elsevier Inc. All rights reserved.

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