Anesthetic Management of a Brown Bear (Ursus arctos) Captive Undergoing Incisional Biopsy of a Skin Nodule
Background: The brown bear (Ursus arctos) is considered one of the largest terrestrial carnivores, native from temperate forest regions of North America, Europe and Asia. In Brazil, they are founded in captivity and their safe capture and immobilization are obtained with one effective anesthesia for...
Published in: | Acta Scientiae Veterinariae |
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Online Access: | http://hdl.handle.net/11449/223251 https://doi.org/10.22456/1679-9216.115981 |
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ftunivespir:oai:repositorio.unesp.br:11449/223251 2023-07-02T03:33:54+02:00 Anesthetic Management of a Brown Bear (Ursus arctos) Captive Undergoing Incisional Biopsy of a Skin Nodule Manejo anestésico de um urso pardo (Ursus arctos) cativo submetido a biópsia incisional de nódulo cutâneo Nunes, Marllos Henrique Vieira Pacheco, Acácio Duarte Duarte, Matheus Alfenas Rodrigues, Marcelo Campos de Cássia Mendonça Castro, Fernanda dos Santos, Thays Garreto Rodrigues Wagatsuma, Juliana Tessália Universidade Estadual Paulista (UNESP) 2021-01-01 http://hdl.handle.net/11449/223251 https://doi.org/10.22456/1679-9216.115981 por por Acta Scientiae Veterinariae http://dx.doi.org/10.22456/1679-9216.115981 Acta Scientiae Veterinariae, v. 49. 1679-9216 1678-0345 http://hdl.handle.net/11449/223251 doi:10.22456/1679-9216.115981 2-s2.0-85122799135 Atipamezole Dexmedetomidine Wildlife info:eu-repo/semantics/article 2021 ftunivespir https://doi.org/10.22456/1679-9216.115981 2023-06-12T17:35:08Z Background: The brown bear (Ursus arctos) is considered one of the largest terrestrial carnivores, native from temperate forest regions of North America, Europe and Asia. In Brazil, they are founded in captivity and their safe capture and immobilization are obtained with one effective anesthesia for management and surgical and diagnostic procedures. Some anesthetic protocols are described for these purposes, however, there is a lack for data on the anesthetic and adverse effects they have on bears when used. The aim of this case is to report the use and effects of the association of dexmedetomidine with tiletamine and zolazepam in the chemical containment of a captive adult brown bear. Case: A 33-year-old female brown bear, weighing 100 kg, belonging to the Zoobotanic Park of Teresina, Piauí, Brazil, was chemically immobilized for an incisional biopsy of a cutaneous nodule with 1.0 cm diameter in the right face region. The anesthetic protocol included 6 μg/kg of dexmedetomidine associated with 3 mg/kg of tiletamine and zolazepam, administered intramuscularly by dart into the gluteal region of the right pelvic limb. The animal showed moderate ataxia at 5 min and assumed sternal decubitus 7 min after anesthetic administration. The bear's degree of sedation was considered adequate and safe to perform the biopsy at 10 min after administration. Heart rate (47 ± 3 bpm), respiratory rate (17 ± 2 mpm) and rectal temperature (38.7 ± 0.1ºC) were monitored. The bear remained immobile and unconscious throughout the procedure, with intense muscle relaxation, bilateral eyeball rotation, absent lateral palpebral reflex and mild medial reflex and without nystagmus. Complementary sedative doses were not necessary. At the beginning of anesthetic recovery, the bear received 6 μg/kg of atipamezole, intramuscularly. After 25 min of administration of atipamezole, the animal showed signs of recovery in the level of consciousness and reactivity to external stimuli, and assumed the quadrupedal position at 60 min after reverser ... Article in Journal/Newspaper Ursus arctos Universidade Estadual Paulista São Paulo: Repositório Institucional UNESP Acta Scientiae Veterinariae 49 |
institution |
Open Polar |
collection |
Universidade Estadual Paulista São Paulo: Repositório Institucional UNESP |
op_collection_id |
ftunivespir |
language |
Portuguese |
topic |
Atipamezole Dexmedetomidine Wildlife |
spellingShingle |
Atipamezole Dexmedetomidine Wildlife Nunes, Marllos Henrique Vieira Pacheco, Acácio Duarte Duarte, Matheus Alfenas Rodrigues, Marcelo Campos de Cássia Mendonça Castro, Fernanda dos Santos, Thays Garreto Rodrigues Wagatsuma, Juliana Tessália Anesthetic Management of a Brown Bear (Ursus arctos) Captive Undergoing Incisional Biopsy of a Skin Nodule |
topic_facet |
Atipamezole Dexmedetomidine Wildlife |
description |
Background: The brown bear (Ursus arctos) is considered one of the largest terrestrial carnivores, native from temperate forest regions of North America, Europe and Asia. In Brazil, they are founded in captivity and their safe capture and immobilization are obtained with one effective anesthesia for management and surgical and diagnostic procedures. Some anesthetic protocols are described for these purposes, however, there is a lack for data on the anesthetic and adverse effects they have on bears when used. The aim of this case is to report the use and effects of the association of dexmedetomidine with tiletamine and zolazepam in the chemical containment of a captive adult brown bear. Case: A 33-year-old female brown bear, weighing 100 kg, belonging to the Zoobotanic Park of Teresina, Piauí, Brazil, was chemically immobilized for an incisional biopsy of a cutaneous nodule with 1.0 cm diameter in the right face region. The anesthetic protocol included 6 μg/kg of dexmedetomidine associated with 3 mg/kg of tiletamine and zolazepam, administered intramuscularly by dart into the gluteal region of the right pelvic limb. The animal showed moderate ataxia at 5 min and assumed sternal decubitus 7 min after anesthetic administration. The bear's degree of sedation was considered adequate and safe to perform the biopsy at 10 min after administration. Heart rate (47 ± 3 bpm), respiratory rate (17 ± 2 mpm) and rectal temperature (38.7 ± 0.1ºC) were monitored. The bear remained immobile and unconscious throughout the procedure, with intense muscle relaxation, bilateral eyeball rotation, absent lateral palpebral reflex and mild medial reflex and without nystagmus. Complementary sedative doses were not necessary. At the beginning of anesthetic recovery, the bear received 6 μg/kg of atipamezole, intramuscularly. After 25 min of administration of atipamezole, the animal showed signs of recovery in the level of consciousness and reactivity to external stimuli, and assumed the quadrupedal position at 60 min after reverser ... |
author2 |
Universidade Estadual Paulista (UNESP) |
format |
Article in Journal/Newspaper |
author |
Nunes, Marllos Henrique Vieira Pacheco, Acácio Duarte Duarte, Matheus Alfenas Rodrigues, Marcelo Campos de Cássia Mendonça Castro, Fernanda dos Santos, Thays Garreto Rodrigues Wagatsuma, Juliana Tessália |
author_facet |
Nunes, Marllos Henrique Vieira Pacheco, Acácio Duarte Duarte, Matheus Alfenas Rodrigues, Marcelo Campos de Cássia Mendonça Castro, Fernanda dos Santos, Thays Garreto Rodrigues Wagatsuma, Juliana Tessália |
author_sort |
Nunes, Marllos Henrique Vieira |
title |
Anesthetic Management of a Brown Bear (Ursus arctos) Captive Undergoing Incisional Biopsy of a Skin Nodule |
title_short |
Anesthetic Management of a Brown Bear (Ursus arctos) Captive Undergoing Incisional Biopsy of a Skin Nodule |
title_full |
Anesthetic Management of a Brown Bear (Ursus arctos) Captive Undergoing Incisional Biopsy of a Skin Nodule |
title_fullStr |
Anesthetic Management of a Brown Bear (Ursus arctos) Captive Undergoing Incisional Biopsy of a Skin Nodule |
title_full_unstemmed |
Anesthetic Management of a Brown Bear (Ursus arctos) Captive Undergoing Incisional Biopsy of a Skin Nodule |
title_sort |
anesthetic management of a brown bear (ursus arctos) captive undergoing incisional biopsy of a skin nodule |
publishDate |
2021 |
url |
http://hdl.handle.net/11449/223251 https://doi.org/10.22456/1679-9216.115981 |
genre |
Ursus arctos |
genre_facet |
Ursus arctos |
op_relation |
Acta Scientiae Veterinariae http://dx.doi.org/10.22456/1679-9216.115981 Acta Scientiae Veterinariae, v. 49. 1679-9216 1678-0345 http://hdl.handle.net/11449/223251 doi:10.22456/1679-9216.115981 2-s2.0-85122799135 |
op_doi |
https://doi.org/10.22456/1679-9216.115981 |
container_title |
Acta Scientiae Veterinariae |
container_volume |
49 |
_version_ |
1770274054512574464 |