What question did this study set out to answer?

To assess the efficacy of intramuscular butorphanol, azaperone, and medetomidine (BAM) for immobilizing white-tailed deer and to evaluate the effect of nasal oxygen supplementation on hypoxemia.

September 1, 2008Journal of Zoo and Wildlife Medicine

Evaluation of Intramuscular Butorphanol, Azaperone, and Medetomidine and Nasal Oxygen Insufflation for the Chemical Immobilization of White-tailed Deer, Odocoileus virginianus

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Authors

PMPatrice M. MichCornell University LWLisa L. WolfeColorado Parks and Wildlife TSTracey M. SirochmanColorado Parks and Wildlife

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Implication

Prospective study reveals effective immobilization but significant hypoxemia with butorphanol, azaperone, and medetomidine in white-tailed deer, indicating nasal oxygen is necessary for safety.

Key Points

To assess the efficacy of intramuscular butorphanol, azaperone, and medetomidine (BAM) for immobilizing white-tailed deer and to evaluate the effect of nasal oxygen supplementation on hypoxemia.
Prospective evaluation of white-tailed deer immobilized with intramuscular BAM (0.43 mg/kg butorphanol, 0.36 mg/kg azaperone, 0.14 mg/kg medetomidine) and reversed with naltrexone, atipamazole, and tolazoline (NAT).
Assessed physiologic parameters including arterial blood gas measurements (PaO2) and pulse oximetry (SpO2) in animals with and without nasal oxygen insufflation delivered at 3 L/min.
BAM produced predictable sedation with a mean time to lateral recumbency of 9.8 ± 3.6 minutes, and intramuscular NAT enabled smooth recovery within 5 to 20 minutes.
Unsupplemented deer experienced clinically relevant reductions in PaO2 and SpO2, whereas nasal oxygen insufflation significantly improved both oxygenation metrics.
Pulse oximetry proved to be an unreliable indicator of true arterial oxygen saturation during BAM-induced immobilization.

Cite This Study

Mich et al. (2008) studied this question.

synapsesocial.com/papers/6aa921cc6db186eb9162dfa7 https://doi.org/10.1638/2007-0150.1

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Implication

Prospective study reveals effective immobilization but significant hypoxemia with butorphanol, azaperone, and medetomidine in white-tailed deer, indicating nasal oxygen is necessary for safety.

Evaluation of Intramuscular Butorphanol, Azaperone, and Medetomidine and Nasal Oxygen Insufflation for the Chemical Immobilization of White-tailed Deer, Odocoileus virginianus

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Key Points

Cite This Study

Evaluation of Intramuscular Butorphanol, Azaperone, and Medetomidine and Nasal Oxygen Insufflation for the Chemical Immobilization of White-tailed Deer, Odocoileus virginianus

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