Influência da temperatura corporal de cascavéis (Crotalus durissus) submetidas à anestesia com cetamina Influence of body temperature on rattlesnakes (Crotalus durissus) anesthetized with ketamine
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Abstract
The aim of the study was to verify the influence of the body temperature under physiological values and latency and recovery times on rattlesnakes anesthetized with ketamine. The animals were previously submitted to hypothermia (HYPO) (<22°C) and normothermia (30°C) (NORMO) and then, anesthetized with 80 mg/kg IM of ketamine. Latency and recovery times were evaluated by head tonus, muscular tonus and righting reflex. Heart rate (HR), time of apnea and body temperature were measured before and 5, 10, 15, 30, 60, 90 and 120 minutes after ketamine administration. Blood gases parameters were measured before, 30 and 60 minutes. It was not observed difference on latency time in both groups. The recovery time was higher on HYPO (5,5 hours) compared to NORMO (3,5 hours). HR was higher on NORMO compared to HYPO. Time of apnea was the same pattern on both groups. Compared to basal levels, time of apnea was shorter between 5 to 30 min on both groups. Respiratory acidosis was observed only at 0 min in NORMO. SvO2 was higher after 30 min, the same as with PvO2 in both groups. PvCO2 reduced after 30 min in both groups. It was evident that body temperature exerts intense influence on the recovery time on rattlesnakes anesthetized with ketamine.
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carregaro2009influnciapesquisa
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| Authors | Carregaro, Adriano B.;Cruz, Mariângela L.;Cherubini, André L.;Luna, Stélio P.L.; |
| Journal | pesquisa veterinária brasileira |
| Year | 2009 |
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| Keywords | Keywords not found |
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