Noblett W C, Wilcox L R, Scamman F, Johnson W T, Diaz-Arnold A
Department of Endodontics, University of Iowa College of Dentistry, Iowa City 52240, USA.
J Endod. 1996 Jan;22(1):1-5. doi: 10.1016/S0099-2399(96)80226-3.
Evaluation of pulse oximetry as a potential method of determining pulp vitality was the subject of this research. An in vitro model of pulpal circulation was fabricated to test the design for a dental pulse oximetry sensor. Blood samples equilibrated with hypoxic gas mixtures were circulated through the model by a peristaltic pump. A pulse was simulated by introduction of gas bubbles into the blood circulation. Pulse oximeter readings for saturation were recorded and compared with blood gas analysis results. Statistical analysis revealed no difference between pulse oximetry and blood gas analysis with a highly significant correlation coefficient. Clinical evaluation of this application is currently in progress.
评估脉搏血氧测定法作为确定牙髓活力的一种潜在方法是本研究的主题。制作了一个牙髓循环的体外模型，以测试牙科脉搏血氧测定传感器的设计。用低氧气体混合物平衡的血样由蠕动泵循环通过该模型。通过将气泡引入血液循环来模拟脉搏。记录脉搏血氧仪的饱和度读数，并与血气分析结果进行比较。统计分析显示，脉搏血氧测定法与血气分析之间没有差异，相关系数高度显著。目前正在对该应用进行临床评估。
