Postanesthetic monitoring of core body temperature using telemetry in North American river otters (Lutra canadensis). 1997

L H Spelman, and W J Jochem, and P W Summer, and D P Redmond, and M K Stoskopf
Environmental Medicine Consortium, College of Veterinary Medicine, North Carolina State University, Raleigh 27606, USA.

Remote thermal telemetry was performed on North American river otters (Lutra canadensis) during the 1995 North Carolina Wildlife Resources Commission Otter Restoration Project. Otters were anesthetized with either ketamine-midazolam (n = 11) or tiletamine-zolazepam (n = 9) combinations. Based upon initial rectal temperatures, mild to moderate hyperthermia (39.4-40.5 degrees C) developed in five otters given ketamine-midazolam and three otters given tiletamine-zolazepam. Following anesthetic induction, each otter received an ingestible temperature transmitter. Dependent upon gastrointestinal transit time and transmitter battery life, core body temperature was monitored for up to 13.75 hr postanesthesia. Thermal telemetry revealed a gradual decline in core temperature in all otters after anesthetic recovery (30-60 min). Median core temperature stabilized subsequently within 0.3 degrees C of resting temperature (38.4 degrees C) 1.75 hr after initial injection in otters given tiletamine-zolazepam and 2.75 hr in otters given ketamine-midazolam. Minor fluctuations in body temperature (less than 1 degree C) occurred in most otters from 6 to 13.75 hr and were attributed to variations in physical activity.

UI MeSH Term Description Entries
D006993 Hypnotics and Sedatives Drugs used to induce drowsiness or sleep or to reduce psychological excitement or anxiety. Hypnotic,Sedative,Sedative and Hypnotic,Sedatives,Hypnotic Effect,Hypnotic Effects,Hypnotics,Sedative Effect,Sedative Effects,Sedatives and Hypnotics,Effect, Hypnotic,Effect, Sedative,Effects, Hypnotic,Effects, Sedative,Hypnotic and Sedative
D007649 Ketamine A cyclohexanone derivative used for induction of anesthesia. Its mechanism of action is not well understood, but ketamine can block NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE) and may interact with sigma receptors. 2-(2-Chlorophenyl)-2-(methylamino)cyclohexanone,CI-581,Calipsol,Calypsol,Kalipsol,Ketalar,Ketamine Hydrochloride,Ketanest,Ketaset,CI 581,CI581
D008297 Male Males
D008874 Midazolam A short-acting hypnotic-sedative drug with anxiolytic and amnestic properties. It is used in dentistry, cardiac surgery, endoscopic procedures, as preanesthetic medication, and as an adjunct to local anesthesia. The short duration and cardiorespiratory stability makes it useful in poor-risk, elderly, and cardiac patients. It is water-soluble at pH less than 4 and lipid-soluble at physiological pH. Dormicum,Midazolam Hydrochloride,Midazolam Maleate,Ro 21-3981,Versed,Hydrochloride, Midazolam,Maleate, Midazolam,Ro 21 3981,Ro 213981
D008991 Monitoring, Physiologic The continuous measurement of physiological processes, blood pressure, heart rate, renal output, reflexes, respiration, etc., in a patient or experimental animal; includes pharmacologic monitoring, the measurement of administered drugs or their metabolites in the blood, tissues, or urine. Patient Monitoring,Monitoring, Physiological,Physiologic Monitoring,Monitoring, Patient,Physiological Monitoring
D010041 Otters Fish-eating carnivores of the family MUSTELIDAE, found on both hemispheres. Aonyx,Clawless Otters,Giant Otters,Lontra,Lutra,Pteronura,Sea Otters,Enhydra lutris,Lontra canadensis,North American River Otter,Clawless Otter,Giant Otter,Otter,Otter, Clawless,Otter, Giant,Otter, Sea,Otters, Clawless,Otters, Giant,Otters, Sea,Sea Otter
D001831 Body Temperature The measure of the level of heat of a human or animal. Organ Temperature,Body Temperatures,Organ Temperatures,Temperature, Body,Temperature, Organ,Temperatures, Body,Temperatures, Organ
D005260 Female Females
D005334 Fever An abnormal elevation of body temperature, usually as a result of a pathologic process. Pyrexia,Fevers,Pyrexias
D000762 Anesthesia Recovery Period The period of emergence from general anesthesia, where different elements of consciousness return at different rates. Recovery Period, Anesthesia,Anesthesia Recovery Periods,Period, Anesthesia Recovery,Periods, Anesthesia Recovery,Recovery Periods, Anesthesia

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