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      An evaluation of new circle system of anesthesia. Quantitative anesthesia with isoflurane in new zealand rabbits Translated title: Avaliação de um novo sistema circular de anestesia: anestesia quantitativa com isuflorane em coelhos

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          Abstract

          A small circuit system of anesthesia was developed by Fonseca and Goldenberg in 1993. The authors used in this study New Zealand White (NZW) rabbits under closed system anesthetic regiment by insoflurane. Twenty male adult New Zealand rabbits were distributed in two groups of ten animals. No premedicant drugs were given. Endotraqueal intubation was made after intravenous administration of propofol (10mg/kg). Insoflurane was used to anesthesia management, administred by lowflow closed system technique with cooper kettle vaporizer, fixed by pre-calculated vaporizing flow in double times intervals. The group II underwent surgical periostal scratching in the medial tibial surface at the proximal shaft. Rabbits breathed spontaneously. Hypotensio, hypercapnia and respiratory acidosis were characteristic of the cardiopulmonary effects of the anesthesia. The corneal reflex and pinch reflex was useful as reliable indicators of anesthesic depth. Manual or mechanical ventilation should be considered as a way of improving alveolar ventilation and normalize blood-gas values. The system developed by Fonseca and Goldenberg was considered suitable for anesthesic management in rabbits.

          Translated abstract

          Um sistema circular de anestesia para animais de pequeno porte foi desenvolvido por FONSECA e GOLDENBERG, em 1993. No presente estudo foram utilizados 20 coelhos brancos linhagem Nova Zelândia, submetidos ao sistema com isoflurane, distribuidos em dois grupos de 10 animais. O grupo I, controle, que foi apenas anestesiado e o grupo II foi submetido a raspagem periostal da parte proximal e medial da tíbia. Não foi administrada droga pré-anestésica. Após administração do propofol intravenoso (10mg/kg) procedeu-se a intubação endotraqueal. O isuflorane foi administrado lentamente no sistema circular de anestesia. Os animais respiravam espontaneamente. Houve efeitos cardiorespiratórios conseqüentes da anestesia, tais como, hipotensão, hipercapnia e acidose respiratória. O controle do plano anestésico foi realizado mediante os reflexos corneano e pelo pinçamento. O sistema desenvolvido por FONSECA e GOLDENBERG foi considerado satisfatório para anestesia em coelhos.

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          Most cited references22

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          Laboratory animal anaesthesia

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            The Ventilatory Effects of Forane, a New Inhaled Anesthetic

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              anesthesia in the rabbit

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                acb
                Acta Cirurgica Brasileira
                Acta Cir. Bras.
                Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia (São Paulo )
                1678-2674
                December 1997
                : 12
                : 4
                : 246-248
                Affiliations
                [1 ] Federal University of Uberlândia Brazil
                [2 ] Universidade Federal de São Paulo Brazil
                [3 ] Federal University of Uberlândia Brazil
                [4 ] Pontifícia Universidade Católica de São Paulo Brazil
                Article
                S0102-86501997000400006
                10.1590/S0102-86501997000400006
                bf36d013-e481-439e-ae02-1e6255acf4a5

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0102-8650&lng=en
                Categories
                SURGERY

                Surgery
                Anesthesia,Rabbits,Anestesia,Coelhos
                Surgery
                Anesthesia, Rabbits, Anestesia, Coelhos

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