The use of alfaxalone for short-term anesthesia can confound serum progesterone measurements in the common marmoset: a case report
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Published:2022-07-27
Issue:2
Volume:9
Page:23-28
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ISSN:2363-4715
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Container-title:Primate Biology
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language:en
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Short-container-title:Primate Biol.
Author:
Daskalaki Maria,Drummer Charis,Behr Rüdiger,Heistermann Michael
Abstract
Abstract. Alfaxan® (alfaxalone) is a steroid general anesthetic widely used in veterinary medicine for induction and maintenance of anesthesia in several species. While the use of alfaxalone in veterinary practice has several benefits compared to the use of other anesthetic agents, the fact that it is derived from progesterone may confound the measurement of the latter in the blood of animals under alfaxalone treatment. In the present case study, we report the measurement of serum progesterone in an individual common marmoset (Callithrix jacchus) during five ovarian cycles in which luteolysis was induced by PGF2α. Blood samples were usually taken from the awake animal with the exception of the fifth cycle in which the sample was collected under alfaxalone anesthesia in connection with a tooth extraction. In contrast to the previous four cycles in which luteolysis resulted in the expected marked decrease in progesterone concentrations, the – apparent – progesterone level in the cycle under alfaxalone treatment remained unexpectedly high. Cross-reactivity of the non-specific antibody used in the progesterone assay with alfaxalone most likely explains this finding.
Publisher
Copernicus GmbH
Subject
Animal Science and Zoology
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