Watney G C, Norman W M, Schumacher J P, Beck E
Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville 32610-0136.
Am J Vet Res. 1993 Apr;54(4):497-501.
The accuracy of a reflectance pulse oximeter was determined in 22 anesthetized horses. Oximetric blood oxygen saturation was measured with the pulse oximeter probe attached to the mucosa of the mandible. Arterial blood oxygen saturation (SaO2) was calculated from arterial blood gas values and the equine blood oxygen dissociation curve. The mean +/- SD difference between oximetric blood oxygen saturation and SaO2 was -1.3 +/- 3.1% for values of SaO2 ranging from 80 to 100%. The difference between oximetric blood oxygen saturation and SaO2 was influenced by SaO2, the mean arterial blood pressure, and preanesthetic medication administered, but not by age, sex, or body weight of the horse, individual animal effect, anesthetic induction or maintenance agent, procedure performed, body position, mode of lung ventilation, time of sampling, arterial pH, or carbon dioxide tension.
在22匹麻醉马中测定了反射式脉搏血氧饱和度仪的准确性。将脉搏血氧饱和度仪探头附着于下颌黏膜来测量血氧饱和度。根据动脉血气值和马的血液氧解离曲线计算动脉血氧饱和度（SaO2）。对于80%至100%的SaO2值，血氧饱和度与SaO2之间的平均±标准差差异为-1.3±3.1%。血氧饱和度与SaO2之间的差异受SaO2、平均动脉血压和术前用药的影响，但不受马的年龄、性别、体重、个体动物效应、麻醉诱导或维持药物、所进行的操作、体位、肺通气模式、采样时间、动脉pH值或二氧化碳分压的影响。
