• Jason R Yerke, Eduardo Mireles-Cabodevila, Alyssa Y Chen, Stephanie N Bass, Anita J Reddy, Seth R Bauer, Lynne Kokoczka, Siddharth Dugar, and Ajit Moghekar.
• Department of Pharmacy, Cleveland Clinic, Cleveland, OH. Electronic address: yerkej@ccf.org.
• Chest. 2024 Feb 1; 165 (2): 348355348-355.

BackgroundHistorically, norepinephrine has been administered through a central venous catheter (CVC) because of concerns about the risk of ischemic tissue injury if extravasation from a peripheral IV catheter (PIVC) occurs. Recently, several reports have suggested that peripheral administration of norepinephrine may be safe.Research QuestionCan a protocol for peripheral norepinephrine administration safely reduce the number of days a CVC is in use and frequency of CVC placement?Study Design And MethodsThis was a prospective observational cohort study conducted in the medical ICU at a quaternary care academic medical center. A protocol for peripheral norepinephrine administration was developed and implemented in the medical ICU at the study site. The protocol was recommended for use in patients who met prespecified criteria, but was used at the treating clinician's discretion. All adult patients admitted to the medical ICU receiving norepinephrine through a PIVC from February 2019 through June 2021 were included.ResultsThe primary outcome was the number of days of CVC use that were avoided per patient, and the secondary safety outcomes included the incidence of extravasation events. Six hundred thirty-five patients received peripherally administered norepinephrine. The median number of CVC days avoided per patient was 1 (interquartile range, 0-2 days per patient). Of the 603 patients who received norepinephrine peripherally as the first norepinephrine exposure, 311 patients (51.6%) never required CVC insertion. Extravasation of norepinephrine occurred in 35 patients (75.8 events/1,000 d of PIVC infusion [95% CI, 52.8-105.4 events/1,000 d of PIVC infusion]). Most extravasations caused no or minimal tissue injury. No patient required surgical intervention.InterpretationThis study suggests that implementing a protocol for peripheral administration of norepinephrine safely can avoid 1 CVC day in the average patient, with 51.6% of patients not requiring CVC insertion. No patient experienced significant ischemic tissue injury with the protocol used. These data support performance of a randomized, prospective, multicenter study to characterize the net benefits of peripheral norepinephrine administration compared with norepinephrine administration through a CVC.Copyright © 2023 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.

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