Emergency department length of stay following discontinuation of routine oral contrast material
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Emergency department length of stay following discontinuation of routine oral contrast material Kevin Y. Kim1 · Nelly Tan1,2 · Jeremy Moretz1 · Matthew S. Davenport3 Received: 15 June 2020 / Revised: 20 August 2020 / Accepted: 25 August 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Purpose To determine the effect of discontinuing routine oral contrast material on emergency department (ED) length of stay (LOS), time from order to CT completion, and preliminary report turnaround time (TAT). Methods A HIPAA-compliant, IRB-waived, single-institution, retrospective cohort study was conducted on adult patients presenting with abdominal pain to the ED from October 2015 to April 2019. Routine oral contrast material was administered prior to July 2018 and discontinued thereafter. CT workflow (ED LOS, exam completion time, report TAT) data were analyzed in a univariate analysis before and after discontinuation of oral contrast. Pre- versus post-policy data were compared with 2-sided t tests. The primary outcome was ED LOS. Data were analyzed on a process control chart and confidence limits were adjusted using established criteria. Results There were 5020 included abdominopelvic CTs. After routine oral contrast material was discontinued, ED LOS (13.4 h vs 10.7 h, p
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