Ablordeppey, Enyo A.

Barker, Abigail R.

Brown, Derek S.

Griffey, Richard T.

Hernandez, Emily E.

Koenig, Adam M.

Krings, James G.

Simkovich, Suzanne M.

eScholarship - University of California

UC IrvineWestern Journal of Emergency Medicine: Integrating Emergency Care with Population HealthTitleResponse to “Comments on Economic Evaluation of Ultrasound-guided Central Venous Catheter Confirmation vs Chest Radiography in Critically Ill Patients: A Labor Cost Model”Permalinkhttps://escholarship.org/uc/item/116113mmJournalWestern Journal of Emergency Medicine: Integrating Emergency Care with Population Health, 24(2)ISSN1936-900XAuthorsAblordeppey, Enyo A.Koenig, Adam M.Barker, Abigail R.et al.Publication Date2023DOI10.5811/westjem.2023.1.60160Copyright InformationCopyright 2023 by the author(s).This work is made available under the terms of a Creative Commons Attribution License, available at https://creativecommons.org/licenses/by/4.0/eScholarship.org Powered by the California Digital LibraryUniversity of CaliforniaWestern Journal of Emergency Medicine 370 Volume 24, NO.2: March 2023*†‡§||#¶**Letter to the Editor Response to “Comments on Economic Evaluation of Ultrasound-guided Central Venous Catheter Confirmation vs Chest Radiography in Critically Ill Patients: A Labor Cost Model” Enyo A. Ablordeppey, MD, MPH*†Adam M. Koenig, BS‡Abigail R. Barker, PhD§Emily E. Hernandez, MPH§Suzanne M. Simkovich, MD, MS||#James G. Krings, MD, MSCI¶Derek S. Brown, PhD**Richard T. Griffey, MD, MPH† Section Editor: Mark I Langdorf, MD, MPHE            Submission history: Submitted January 23, 2023; Revision received January 23, 2023; Accepted January 23, 2023 Electronically published March 6, 2023Full text available through open access at http://escholarship.org/uc/uciem_westjemDOI: 10.5811/westjem.2023.1.60160[West J Emerg Med. 2023;24(2)370–371.]We would like to thank Austin et al1 for their interest in our article comparing labor costs of two approaches to central venous catheter (CVC) confirmation,2 recently published in the Western Journal of Emergency Medicine. In their letter to the editor, they acknowledge that the point-of-care ultrasound (POCUS)-guided confirmation method offers direct and potential indirect cost benefits when compared with the chest radiograph (CXR) method. However, they raise several important points regarding our results. First, we reported a modest difference between direct labor cost of using POCUS-guided confirmation for central lines vs traditional CXR confirmation in our calculations. The authors expressed concern that these conservative cost savings may have less impact in smaller hospitals where only a few hundred central lines are performed annually. The authors state that the cost of added ultrasound machines, formal education of staff, and medicolegal concerns may be barriers to clinical adoption.3,4 We did find that those were some reported barriers; however; of note, in our manuscript decision tree, there is an assumption that the ultrasound is already available for use since it is typically used to guide insertion of CVCs.4 The cost of additional training of CVC confirmation has not Washington University School of Medicine, Department of Anesthesiology, St. Louis, MissouriWashington University School of Medicine, Department of Emergency Medicine, St. Louis, MissouriWashington University School of Medicine, St. Louis, MissouriWashington University, Center for Health Economics and Policy at the Institute for Public Health, St. Louis, MissouriMedstar Health Research Institute, Division of Healthcare Delivery Research, Hyattsville, MarylandGeorgetown University School of Medicine, Department of Medicine, Washington, DCWashington University School of Medicine, Division of Pulmonary Critical Care Medicine, Department of Medicine, St. Louis, MissouriWashington University in St. Louis, Brown School, St. Louis, Missouribeen measured in any studies to our knowledge, and we agree that perceived medicolegal risk may be a barrier for some institutions or individuals. Our labor cost calculations were the result of conservative salary estimates of a 60-hour work week of physicians using data from 2019 estimates.5 We note that the 2021 estimated hourly salaries reported by the authors are higher and can influence calculations. Second, we only calculated direct cost attributed to physician confirmation and not advanced practice practitioners (APP) as several places may be accustomed. We agree that the direct cost savings of POCUS-confirmation for central lines could be greater when performed by APPs ($10.56 or $10.45), as compared to the CXR method ($18.69). This $4.31 difference between a cost savings of $3.82 (as we originally reported) vs $8.13 (that the authors report) is notable but may not be sufficient to persuade individual or institutional behavior and policy changes. Future studies understanding how facilitators like cost savings drive implementation of POCUS-guided CVC confirmation would be useful.Finally, although we acknowledge that there is a notable time savings with POCUS confirmation6-8 contributing to indirect costs, we did not measure them in this study. We are Volume 24, NO.2: March 2023 371 Western Journal of Emergency MedicineAblordeppey et al. Response to “Comments on Economic Evaluation of POCUS-guided CVC Confirmation vs CXR”pleased to hear that the critical care resuscitation unit at the University of Maryland Medical Center uses this innovative practice and can pragmatically appreciate the direct and indirect benefits of POCUS-guided CVC confirmation. The fact that a clinician can place a CVC, confirm placement, and initiate care all in one sitting without leaving the patient bedside is an important advantage to POCUS-guided confirmation. Future studies should characterize the resource implications of substituting POCUS-guided CVC confirmation more fully by conducted a comprehensive assessment of the costs of protocol development, implementation, and maintenance of this change in practice.Address for Correspondence: Enyo Ablordeppey MD, MPH Washington University School of Medicine, Departments of Anesthesiology and Emergency Medicine, 660 South Euclid, Box 8054 St. Louis, MO 63110 Email: ablordeppeye@wustl.edu Conflicts of Interest: By the WestJEM article submission agreement, all authors are required to disclose all affiliations, funding sources and financial or management relationships that could be perceived as potential sources of bias. No author has professional or financial relationships with any companies that are relevant to this study. There are no conflicts of interest or sources of funding to declare.Copyright: © 2023 Ablordeppey et al. This is an open access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) License. See: http://creativecommons.org/licenses/by/4.0/REFERENCES1. Austin SE, Tran Q, Pourmand A. Print. Comments on “economic evaluation of ultrasound-guided central venous catheter confirmation vs chest radiography in critically ill patients: a labor cost model.” West J Emerg Med. 2023. 2. Ablordeppey E, Koenig A, Barker A, et al. Economic evaluation of ultrasound-guided central venous catheter confirmation vs chest radiography in critically ill patients: A labor cost model. West J Emerg Med. 2022;23(5):760-8. 3. Tran QK, Foster M, Bowler J, et al. Emergency and critical care providers’ perception about the use of bedside ultrasound for confirmation of above-diaphragm central venous catheter placement. Heliyon. 2020;6(1):e03113. 4. Ablordeppey EA, Drewry AM, Theodoro DL, et al. Current practices in central venous catheter position confirmation by point of care ultrasound: a survey of early adopters. Shock (Augusta, Ga.). 2019;51(5):613.5. Colleges AoAM. 2019. Available at: https://www.aamc.org/data-reports/workforce/report/aamc-faculty-salary-report. Accessed August 9, 2022.6. Ablordeppey EA, Drewry AM, Beyer AB, et al. Diagnostic accuracy of central venous catheter confirmation by bedside ultrasound versus chest radiography in critically ill patients. Crit Care Med. 2017;45(4):715-24.7. Weekes AJ, Keller SM, Efune B, et al. Prospective comparison of ultrasound and CXR for confirmation of central vascular catheter placement. Emerg Med J. 2016;33(3):176-80.8. Ablordeppey EA, Drewry AM, Anderson AL, et al. Point‐of‐care ultrasound–guided central venous catheter confirmation in ultrasound nonexperts. AEM Educ Train. 2021;5(3):e10530.

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Response to “Comments on Economic Evaluation of Ultrasound-guided Central Venous Catheter Confirmation vs Chest Radiography in Critically Ill Patients: A Labor Cost Model”

Response to “Comments on Economic Evaluation of Ultrasound-guided Central Venous Catheter Confirmation vs Chest Radiography in Critically Ill Patients: A Labor Cost Model”

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