Title: Time to first dose antibiotics administered IV push versus IV piggyback in sepsis in the emergency department
Authors: Maya Smith, PharmD; Randi Jenkins, PharmD, BCPS
Learning Objective: At the conclusion of this presentation, audience members will be able to explain the effect of antibiotic administration method on time to first dose of antibiotics in sepsis and cost considerations.
Background/Objective: A shorter time to initial antibiotic administration is associated with reduced mortality in sepsis. The purpose of this investigation is to determine the difference in time to first dose antibiotics when administered IV push versus IV piggyback for sepsis in the emergency department.
Methods: This retrospective review was conducted at a 397-bed community medical center before and after the administration of ceftriaxone, cefepime, cefazolin, and piperacillin-tazobactam was switched from IV piggyback to IV push in 2023. This study included patients aged 18 years and above who presented to the emergency department, had documentation of sepsis via ICD-10 code in their electronic health record, and received ceftriaxone, cefepime, cefazolin, and/or piperacillin-tazobactam. The IV piggyback cohort included patients treated between 1/1/2023-6/1/2023 and the IV push cohort included those treated between 1/1/2024-6/1/2024. Patients who were transferred from an outside hospital or had an antibiotic ordered but not administered were excluded. The primary outcome was the time to first dose of antibiotic. Secondary outcomes included time to first dose of second antibiotic when applicable and cost of administration.
Results: A total of 719 patients were assessed for eligibility; 714 met the prespecified inclusion criteria. Of those included, 339 patients received IV piggyback antibiotics and 375 patients received IV push antibiotics. The median time to first dose of antibiotic was 115 minutes in the IV piggyback group and 119 minutes in the IV push group. The median time to first dose of second antibiotic from administration of first antibiotic was 58 minutes in the IV piggyback group and 32 minutes in the IV push group. A student’s t-test will be used to determine statistically significant differences between groups relative to each outcome. An approximation of the cost associated with each method of administration will be made using standard market prices.
Conclusion(s): The preliminary results of this study suggest that there is not a notable difference in time to first dose of antibiotic between IV piggyback and IV push administration. However, IV push antibiotic administration appears to be associated with a reduced time to first dose of second antibiotic. Assessing the difference in cost of administration will provide useful information to further determine which of these methods may be preferred in an emergency department setting.
Self-Assessment Question:Based on the results of this study, which of the following statements is true?
- IVP antibiotic administration is associated with improved outcomes comparedto IVPB administration
- There is no significant cost difference between IVP and IVPB antibioticadministration
- IVP antibiotic administration is associated with a significantly shorter time to1st dose of 2nd antibiotic
- IVPB antibiotic administration is associated with a significantly shorter time to1st dose of antibiotic