O sevofluorano em psitacídeos (Amazonas aestiva): determinação da dose mínima (d. a. m) para produção de anestesia geral

Nicolau, Alexandra Alves; Fantoni, DT; Auler, José Otávio Costa; Ambrósio, Aline Magalhães

doi:10.1590/s0103-84782002000500007

Cited by 6 publications

(11 citation statements)

References 9 publications

(4 reference statements)

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“…In the present study, the MAD obtained with the use of sevoflurane was 2.3 ± 0.31%, which is lower than the value observed in a previous study of parrots [16]. However, it is similar to the value of 2.35% obtained in thick-billed parrots [12] and the values obtained in other species, such as 2.21% in chickens [10], 2.36 ± 0.46% in dogs [17], 2.8% in cats [18], and 2.3% in horses [19].…”

Section: Discussioncontrasting

confidence: 89%

“…Wrapping the birds in paper contributed to the uneventful recovery. The time necessary for complete recovery in the group sevoflurane was similar to those reported in a different study in the same species (4.47 min) [16] and in roosters (5.5 min) [25]. In the premedicated birds, the recovery times were 9.6 ± 3.2 minutes (ketamine group) and 15.2 ± 8.9 minutes (ketamine/diazepam group).…”

Section: Discussionsupporting

confidence: 83%

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The effect of premedication with ketamine, alone or with diazepam, on anaesthesia with sevoflurane in parrots (Amazona aestiva)

et al. 2013

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BackgroundPremedication is rarely used in avian species. The aim of this study was to evaluate the effect of premedication on the quality of sevoflurane induction and anaesthesia in parrots. We hypothesised that premedication would facilitate handling and decrease the minimum anaesthetic dose (MAD). Thirty-six adult parrots were randomly distributed in three groups: group S (n = 12) was premedicated with NaCl 0.9%; group KS (n = 12) was premedicated with 10 mg.kg-1 ketamine; and group KDS (n = 12) was premedicated with 10 mg.kg-1 ketamine and 0.5 mg.kg-1 diazepam, delivered intramuscularly. After induction using 4.5% sevoflurane introduced through a facemask, the MAD was determined for each animal. The heart rate (HR), respiratory rate (RR), systolic arterial blood pressure (SAP), and cloacal temperature (CT) were recorded before premedication (T0), 15 minutes after premedication (T1), and after MAD determination (T2). Arterial blood gas analyses were performed at T0 and T2. The quality of anaesthesia was evaluated using subjective scales based on animal behaviour and handling during induction, maintenance, and recovery. Statistical analyses were performed using analysis of variance or Kruskal-Wallis tests followed by Tukey’s or Dunn’s tests.ResultsThe minimal anaesthetic doses obtained were 2.4 ± 0.37%, 1.7 ± 0.39%, and 1.3 ± 0.32% for groups S, KS, and KDS, respectively. There were no differences in HR, RR, or CT among groups, but SAP was significantly lower in group S. Sedation was observed in both the premedicated S-KS and S-KDS groups. There were no differences in the quality of intubation and recovery from anaesthesia among the three groups, although the induction time was significantly shorter in the pre-medicated groups, and the KS group showed less muscle relaxation.ConclusionsKetamine alone or the ketamine/diazepam combination decreased the MAD of sevoflurane in parrots (Amazona aestiva). Ketamine alone or in combination with diazepam promoted a good quality of sedation, which improved handling and reduced the stress of the birds. All protocols provided safe anaesthesia in this avian species.

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Section: Discussioncontrasting

confidence: 89%

Section: Discussionsupporting

confidence: 83%

The effect of premedication with ketamine, alone or with diazepam, on anaesthesia with sevoflurane in parrots (Amazona aestiva)

et al. 2013

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“…Inhaled anesthetics are described as drugs of choice for birds, given their safety and fast anesthetic induction and recovery, and of these, isoflurane has been the most used (Nicolau et al 2002, Lichtenberger & Ko 2007. The birds enter an anesthetic plane in approximately four minutes with constant vaporization (3.5 vol%).…”

Section: Discussionmentioning

confidence: 99%

Reference values for selected ophthalmic tests of the blue-and-yellow macaw (Ara ararauna)

et al. 2017

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The aim of this study was to establish reference values for selected ophthalmic diagnostic tests in healthy blue-and-yellow macaws. We investigated a total of 35 adult macaws (70 eyes) of undetermined sex and with an average weight of 1 kg, who were living in captivity in the Federal District, Brazil. Tear production using the Schirmer tear test (STT), normal conjunctival flora, intraocular pressure (IOP) using a rebound tonometer and horizontal palpebral fissure length (HPFL) were evaluated. In this study, 84.1% of samples were positive for microbial growth. Bacteria, fungi and yeasts were isolated, and Staphylococcus spp. (21.9%) and Bacillus spp. (26.8%) were the most frequently isolated microorganisms. The mean value for STT was 7.6±4.6mm/min in the right eye (OD) and 6.6±4.4mm/min in the left eye (OS) (median = 7,11±0,76mm/min). Mean IOP was 11.4±2.5mm Hg OD and 11.6±1.8mm Hg OS (median = 11.49±0.22mm Hg), prior to anesthesia, and 7.6±2.4mm Hg OD and 7.8±1.8mm Hg OS (median 7.71±0.08mmHg) after anesthesia. The IOP was significantly lower when the animals were under anesthesia as compared to when they were conscious (p≤0.05). Horizontal palpebral fissure length was 11.7±0.1mm OD and 11.8±0.1mm OS (median = 11.72±0.07mm). The STT showed a positive correlation with palpebral fissure measurement for this species. These selected ophthalmic reference values will be particularly useful in diagnosing pathological changes in the eyes of blue-and-yellow macaws.

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“…199, Art. 1334, 2012 pesquisadores a buscar conhecimentos sobre as diferenças de ordem anatômica, fisiológica, comportamental e metabólica existentes entre as mesmas (NICOLAU et al, 2002).…”

Section: Santos Alq Et Al Estudo Anatomo-topográfico Do Tubo Digunclassified

Estudo anatomo-topográfico do tubo digestório das espécies Athene cunicularia (Strigiformes, Strigidae) e Tyto alba (Strigiformes, Tytonidae)

Santos¹,

Andrade²,

Kaminishi³

et al. 2012

Pubvet

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O sevofluorano em psitacídeos (Amazonas aestiva): determinação da dose mínima (d. a. m) para produção de anestesia geral

Cited by 6 publications

References 9 publications

The effect of premedication with ketamine, alone or with diazepam, on anaesthesia with sevoflurane in parrots (Amazona aestiva)

The effect of premedication with ketamine, alone or with diazepam, on anaesthesia with sevoflurane in parrots (Amazona aestiva)

Reference values for selected ophthalmic tests of the blue-and-yellow macaw (Ara ararauna)

Estudo anatomo-topográfico do tubo digestório das espécies Athene cunicularia (Strigiformes, Strigidae) e Tyto alba (Strigiformes, Tytonidae)

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