Anesthetic management with sevoflurane and oxygen for orthopedic surgeries in racehorses |
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Authors: | Ohta M Oku K Yamanaka T Mizuno Y |
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Institution: | Racehorse Clinic, Japan Racing Association Miho Training Center, Ibaraki-ken. |
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Abstract: | Eighty-five thoroughbred racehorses with various types of fracture were subjected to arthroscopic surgery (44 horses) or internal fixation (41 horses) under sevoflurane anesthesia. The mean end-tidal sevoflurane concentration during anesthesia ranged from 2.5 to 2.8%. PaCO2 was maintained between 50 and 65 mmHg by controlled ventilation. The mean arterial blood pressure was maintained above 65 mmHg by infusion of dobutamine and fluids, however, heart rate significantly increased with time. Recovery from anesthesia was calm and smooth in almost all cases. No apparent complication was observed during and after anesthesia in all cases. Therefore, sevoflurane anesthesia is considered to be safe and useful for orthopedic surgery in racehorses. |
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