Petrucci, Mariafrancesca; De Brot, Simone; Casoni, Daniela (2024). Case report: Side effects of etomidate in propylene glycol in five Göttingen Minipigs. Frontiers in veterinary science, 11 Frontiers Media 10.3389/fvets.2024.1376604
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Etomidate, an agonist of the GABA A receptors, is available for clinical use either in combination with 35% propylene glycol or in a lipid emulsion. Its recognized ability to minimally impact the cardiovascular system made etomidate a suitable option for cardiac-compromised patients. Myoclonus and pain at the injection site are recognized side effects of etomidate in propylene glycol, affecting both human and veterinary species. There is no information available concerning potential side effect in minipigs. In the present case series, we report the side effects related to the use of etomidate in 35% propylene glycol in five Ellegaard Göttingen Minipigs that underwent general anesthesia for cardiac magnetic resonance imaging days or weeks after experimentally induced myocardial infarction. Following intravenous injection of etomidate, laryngeal edema and hyperemia were observed in one case. In another case, tachycardia, apnea, and decreased oxygen saturation, accompanied by laryngeal edema and hyperemia, were observed, which resolved spontaneously in a few minutes. In the arterial or venous samples collected shortly after the induction of general anesthesia, hemolysis was macroscopically visible and subsequently confirmed with a hematological exam in all five cases, as well as hemoglobinuria. Necropsies carried out immediately after euthanasia confirmed macroscopic laryngeal edema, marked diffuse lung alveolar and interstitial edema and hyperemia at histology in one animal, and marked acute lung congestion in another animal. These side effects were not observed when etomidate in a lipid emulsion was injected into another 24 animals. The role played by the different formulations (propylene glycol versus lipidic formulation) has not yet been fully elucidated. Based on our observations, we recommend caution in using the formulation of etomidate in 35% propylene glycol in Göttingen Minipigs.
Item Type: |
Journal Article (Further Contribution) |
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Division/Institute: |
04 Faculty of Medicine > Faculty Institutions > Experimental Animal Center (EAC) 04 Faculty of Medicine > Pre-clinic Human Medicine > BioMedical Research (DBMR) > DCR Services > ESI 04 Faculty of Medicine > Pre-clinic Human Medicine > BioMedical Research (DBMR) |
Graduate School: |
Graduate School for Cellular and Biomedical Sciences (GCB) |
UniBE Contributor: |
Petrucci, Mariafrancesca, De Brot, Simone Danielle, Casoni, Daniela |
Subjects: |
600 Technology > 610 Medicine & health |
ISSN: |
2297-1769 |
Publisher: |
Frontiers Media |
Language: |
English |
Submitter: |
Pubmed Import |
Date Deposited: |
29 Jul 2024 11:17 |
Last Modified: |
29 Jul 2024 11:21 |
Publisher DOI: |
10.3389/fvets.2024.1376604 |
PubMed ID: |
39055863 |
Uncontrolled Keywords: |
etomidate general anesthesia hemolysis intubation laryngeal edema minipigs propylene glycol side effects |
BORIS DOI: |
10.48350/199295 |
URI: |
https://boris.unibe.ch/id/eprint/199295 |
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