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7 July 2023 RETROSPECTIVE REVIEW OF PROPOFOL ANESTHESIA IN MULTIPLE ELASMOBRANCH SPECIES AT GEORGIA AQUARIUM, 2010–2022
Laura A.B. Aguilar, Cara L. Field, Alexa J. Delaune, Roxane A. Aflalo, Adrienne Atkins, Tonya M. Clauss
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Abstract

General anesthesia is often required in elasmobranch species for medical procedures. A variety of anesthetic drugs have been administered to elasmobranchs with wide variability in efficacy and safety. A retrospective review of 47 anesthetic procedures using IV propofol in eight different elasmobranch species at the Georgia Aquarium from 2010 to 2022 was performed. Cases involving seven sand tiger sharks (Carcharias taurus), four largetooth sawfish (Pristis perotteti), one longcomb sawfish (Pristis zijsron), four blacktip reef sharks (Carcharhinus melanopterus), three silvertip sharks (Carcharhinus albimarginatus), one sandbar shark (Carcharhinus plumbeus), five cownose rays (Rhinoptera bonasus), and one blotched fantail stingray (Taeniura meyeni) were evaluated. Induction dose of IV propofol (median: 2.5; 25–75%: 2.3–3.0; range: 1.7–4.0 mg/kg), time to desired effect (median: 4.0; 25–75%: 2.0–5.0; range: 0.5–15.0 min) and anesthetic duration (median: 76.0; 25–75%: 61.5–119.0; range: 27–216 min) were reported in all species. In six procedures (12.7%), maintenance of desired anesthetic plane required a supplemental dose of propofol IV (1 mg/kg) or addition of tricaine methanesulfonate (70 mg/L) as an immersion bath. The most common side effects were apnea and prolonged recovery. The IV propofol was efficacious and provided a procedural plane of anesthesia for a clinically relevant period of time in the majority of elasmobranch species, but observation for and management of complications is warranted.

Laura A.B. Aguilar, Cara L. Field, Alexa J. Delaune, Roxane A. Aflalo, Adrienne Atkins, and Tonya M. Clauss "RETROSPECTIVE REVIEW OF PROPOFOL ANESTHESIA IN MULTIPLE ELASMOBRANCH SPECIES AT GEORGIA AQUARIUM, 2010–2022," Journal of Zoo and Wildlife Medicine 54(2), 326-331, (7 July 2023). https://doi.org/10.1638/2022-0136
Accepted: 20 March 2023; Published: 7 July 2023
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