TAILIEUCHUNG - Báo cáo khoa học: " Influence of Isoflurane Anesthesia on Pulsatility Index and Peak Systolic Velocity of Basilar Artery in Dogs by Doppler Ultrasonography"

Tuyển tập các báo cáo nghiên cứu khoa học quốc tế về bệnh thú y đề tài: Influence of Isoflurane Anesthesia on Pulsatility Index and Peak Systolic Velocity of Basilar Artery in Dogs by Doppler Ultrasonography | J. Vet. Sci. 2002 3 3 203-205 JOURNAL OF Veterinary Science Influence of Isoflurane Anesthesia on Pulsatility Index and Peak Systolic Velocity of Basilar Artery in Dogs by Doppler Ultrasonography Ki-Chang Lee Min-Cheol Choi and Jung-Hee Yoon College of Veterinary Medicine Seoul National University Seoul 151-742 Korea Received July 25 2002 Accepted September 2 2002 Abstract This study was performed to examine the influence of isoflurane anesthesia on the pulsatility index PI and the peak systolic velocity PSV of the blood flow in the basilar artery of dogs by duplex Doppler ultrasonography. Twelve healthy dogs were used to measure the PI and the PSV under the conscious state and isoflurane anesthesia. The pulsatility index PI and the peak systolic velocity PSV in the basilar artery were measured five times with random intervals. The blood pressure was measured. The PI and PSV values in dogs under isoflurane anesthesia were and 72 19 cm sec whereas those in the conscious dogs were and 81 16 cm sec respectively. The indirect mean arterial systolic and diastolic pressures under isoflurane anesthesia were 107 and 51 mmHg whereas those in the conscious dogs were 133 and 74 mmHg. Though the isoflurane is generally known to induce hypotension there were no significant differences in the PI and PSV between the isoflurane-anesthetized and the conscious dogs. In conclusion the isoflurane anesthesia did not influence the PI and PSV in the basilar artery of dogs. Key words Dog Doppler ultrasonography isoflurane peak systolic velocity pulsatility index Introduction It has been reported that the pulsatility index PI and the peak systolic velocity in the basilar artery measured to examine brain damage can be used for the prediction and the diagnosis of brain damage in the dog by Doppler ultrasonography 4 . Concerning the isoflurane anesthesia it has been known that the arterial pressure and vascular Corresponding author Department of Radiology College of .

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