首页> 外文会议>Conference on Resign and Quality for Biomedical Technologies; 20080121; San Jose,CA(US) >Quantitative Evaluation of ViOptix's Tissue Oximeter in an Ex-Vivo Animal Model
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Quantitative Evaluation of ViOptix's Tissue Oximeter in an Ex-Vivo Animal Model

机译:体外动物模型中ViOptix组织血氧仪的定量评估

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We evaluate the performance of ODISseyTM Tissue Oximeter (ViOptix, Inc., Fremont, CA) against co-oximeter. Concurrent oxygen saturation measurements were made in three dog limbs surgically removed and perfused with an extracorporeal blood circulation system. Oxygen saturation was adjusted in steps ranging from 95% down to 5% as monitored by the co-oximeter. The co-oximeter was used to measure the oxygen saturation of the whole blood drawn from both the arterial and the venous ports of the limb. The tissue oxygenation measured by the ODISsey~(TM) tissue oximeter was compared with the average of the arterial and the venous blood oxygenation measured by the co-oximeter. Linear correlation was observed between the average oxygenation given by the co-oximeter and the ODISsey~(TM) readings, with a root-mean-square difference of 7.6% and the correlation coefficient of 0.941, calculated from N= 194 data points.
机译:我们评估了ODISseyTM组织血氧仪(ViOptix,Inc.,Fremont,CA)对血氧仪的性能。在三个通过外科手术切除并用体外血液循环系统灌注的狗肢中进行同时的氧饱和度测量。通过血氧饱和度计监测,氧饱和度的调整范围为95%至5%。血氧饱和度测定仪用于测量从肢体的动脉和静脉端口抽取的全血的氧饱和度。将通过ODISsey TM组织血氧仪测量的组织氧合与通过共血氧仪测量的动脉和静脉血氧合的平均值进行比较。观察到由共血氧饱和度测定仪给出的平均氧合与ODISseyTM读数之间的线性相关性,均方根差为7.6%,相关系数为0.941(从N = 194个数据点计算得出)。

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