Evaluation of blood pressure in feline night monkeys (<i>Aotus azarae infulatus</i>) under different restraint protocols

Chaves, Rosa Helena de Figueiredo; Souza, Nazaré Fonseca de; Imbeloni, Aline Amaral; Neves, Ana C.; Teixeira, Renan Kleber Costa; Santos, Camila de Cassia dos

doi:10.1111/jmp.12183

Cited by 6 publications

(5 citation statements)

References 14 publications

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“…The HR measurements were close to that described in the literature and, although not significantly, the HR of the females was slightly higher (250 bpm ± 51 SD in males and 267 bpm ± 31 SD in females) 16,18,19 . Although some authors have not described gender differences in HR, 11 the present result may explain the apparent greater sensitivity females are to die suddenly due to restraint stress, as observed empirically by CENP technicians.…”

Section: Discussionsupporting

confidence: 89%

“…The hypertensive origin of heart diseases in owl monkeys has been discussed by some authors. A survey using ten of CENP's owl monkeys found that animals contained without sedation obtained a systolic blood pressure average around 158 mm Hg 16 . These high measures may be associated with restraint stress; however, constant and invasive monitoring of blood pressure in Aotus nancymae in another research center also obtained values in the range considered hypertensive (>110 mm Hg) while at rest 11 .…”

Section: Discussionmentioning

confidence: 99%

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Biochemistry, Doppler echocardiography, and electrocardiography evaluation in captive owl monkeys (Aotus sp)

Teixeira

Silva

Oliveira

et al. 2021

J of Medical Primatology

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Background The cardiovascular system of owl monkeys has been studied due to frequent postmortem findings of heart disease in asymptomatic animals. The silent aspect and the difficulty of early diagnosis intensify the importance of studying the cardiovascular system in this species. Methods Echocardiogram evaluation was carried out on 60 animals, grouped into suspect or non‐suspect of having heart diseases, and evaluated through electrocardiogram, hematology, and biochemical tests. Results Doppler echocardiography indicated two animals with suspicion of left ventricular hypertrophy and eight with dilated cardiomyopathy. Suspect animals had higher cardiac measurements and reduced shortening fraction. Troponin I was detectable in two animals (0.128 ng/mL and 0.584 ng/mL), and serum albumin concentration was significantly higher in non‐suspect animals (P < .05). Conclusions The importance of echocardiographic measurements of IVSd, IVSs, LVIDd, LVIDs, LVPWd, LVPWs, LA, EF, and FS in the cardiac evaluation of captive owl monkeys was evidenced.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Biochemistry, Doppler echocardiography, and electrocardiography evaluation in captive owl monkeys (Aotus sp)

Teixeira

Silva

Oliveira

et al. 2021

J of Medical Primatology

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“…There were no variations in systolic, diastolic, and mean blood pressure between the doses nor over time post Telazol ® administration ( Table S1 ). The lack of clinically significant cardiac changes correlates with previous Telazol ® evaluations in capuchins [ 11 ] and owl monkeys [ 13 ]. The respiratory rate decreased over time for all doses ( Table S1 ).…”

Section: Discussionsupporting

confidence: 76%

“…Their combination provides significant muscle relaxation [ 2 ]. The safe use of Telazol ® has already been documented in nonhuman primates including capuchin monkeys [ 11 , 12 ], owl monkeys [ 13 ], rhesus macaques [ 14 , 15 , 16 ], cynomolgus macaques [ 17 ], baboons [ 14 ], chimpanzees [ 18 , 19 , 20 ], and southern brown howler monkeys [ 21 ]. There are a few reports of Telazol ® administration to marmosets, showing a wide dose range [ 9 , 22 , 23 , 24 , 25 , 26 , 27 , 28 ].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Anesthetic and Cardiorespiratory Effects after Intramuscular Administration of Three Different Doses of Telazol® in Common Marmosets (Callithrix jacchus)

Goodroe

Bakker

Remarque

et al. 2023

Veterinary Sciences

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Marmosets’ small body size makes anesthesia challenging. Ideally, small volumes of drugs should be administered intramuscularly (i.m.). In addition, dose-dependent sedation and anesthesia are desirable properties for sedatives and anesthetics in marmosets. Telazol (tiletamine and zolazepam) is highly concentrated, allowing the use of small injection volumes and dose-dependent sedation and anesthesia. A randomized, blinded study with crossover design in ten healthy adult common marmosets (Callithrix jacchus) was performed to evaluate the anesthetic and cardiorespiratory effects of three doses of i.m. Telazol (respectively, 5, 10, and 15 mg/kg). Depth of anesthesia, cardiorespiratory effects, and induction, immobilization, and recovery times were determined. There was a significant difference in immobilization time between 5 and 15 mg/kg of Telazol. In addition, 15 mg/kg of Telazol resulted in increased recovery times compared to 5 mg/kg. The cardiorespiratory effects during the first 45 min of immobilization were within clinically acceptable limits. The pedal withdrawal reflex was the best indicator of the anesthetic depth.

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“…Multiple drugs have been studied in primates demonstrating their effects on the cardiovascular system [ 47 – 49 ]. For example, in small primates, it was demonstrated that multiple anesthetic protocols resulted in increased blood pressure and heart rate, and the isoflurane protocol showed lower value of blood pressure compared to all other protocols [ 50 ]. Using only isoflurane allows to be closer to physiological circumstances and has been indicated for debilitated animals and prolonged procedures in squirrel monkey [ 2 ].…”

Section: Discussionmentioning

confidence: 99%

Thoracic radiography of healthy captive male and female Squirrel monkey (Saimiri spp.)

et al. 2018

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The purpose of this prospective study was to describe the normal anatomy and provide reference ranges for measurements of thoracic radiography on Squirrel monkeys (n = 13). Thoracic radiography is a common non-invasive diagnostic tool for both cardiac and non-cardiac thoracic structures. Furthermore cardiac disease is a common condition in captive primates. In this study, left-right lateral, right-left lateral and dorsoventral projections of 13 healthy Squirrel monkeys were reviewed during their annual health examinations. The mean Vertebral Heart Score on the left-right and right-left lateral projections were 8,98 ± 0,25 and 8,85 ± 0,35 respectively. The cardio-thoracic ratio on the dorsoventral projection was 0,68 ± 0,03. The trachea to inlet ratio was 0,33 ± 0,04. Other measurements are provided for the skeletal, cardiac and respiratory systems. Knowledge of the normal radiographic thoracic anatomy is fundamental in clinical as well as research settings for accurate diagnosis of diseases.

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Evaluation of blood pressure in feline night monkeys (Aotus azarae infulatus) under different restraint protocols

Abstract: The results of our study suggest that all restraint protocols tested significantly alter blood pressure in this species of primates.

Cited by 6 publications

References 14 publications

Biochemistry, Doppler echocardiography, and electrocardiography evaluation in captive owl monkeys (Aotus sp)

Biochemistry, Doppler echocardiography, and electrocardiography evaluation in captive owl monkeys (Aotus sp)

Evaluation of Anesthetic and Cardiorespiratory Effects after Intramuscular Administration of Three Different Doses of Telazol® in Common Marmosets (Callithrix jacchus)

Thoracic radiography of healthy captive male and female Squirrel monkey (Saimiri spp.)

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