体动和低灌注影响脉搏血氧饱和度准确性的临床研究_闻大翔.pdfVIP

2004 6 20 6 J Clin Anesthesiol,June 2004,Vol.20,No.6 # 333 # ## 闻大翔 周颖 王珊娟 杭燕南 = ( SpO ) 2 ,SpO 60 2 Nellcor N-200Novametrix 7100 Vital SAT ( ICC) 30 , 30 SpO , 2 SpO 2 ; Vital SAT( ICC) SpO Nellcor N-200 Novametrix 7100 2 SpO Vital SAT (ICC) 2 ( asimo SET) , = ;; ; The effects of motion and low perfusion on the accuracy of pulse oximetry Wen Daxiang, Zhou Yin, Wang Shanj uan, et al. Department of Anesthesiology, RenJi Hosp ital Aff iliated to Shanghai Second edical University , Shanghai 200001 CHINA = Abstract Obj ective otion and low perfusion arethecommon factors influencing the accuracy of pulse oximetry1 This study wasdesigned to comparetheaccuracy of three typesof pulseoximeter under ar- tificial motion and low perfusion1 Methods 60 healthy adult volunteers were monitored by 3 types of pulse oximeter, Nellcor N-200, Novametrix 7100 and Vital SAT( ICC)1 Sensors werefixed on theindex, middle and ring fingers respectively on sameside1 In 30 volunteers, thetest arm was fixedon a tableand artificial- ly moved1 In another 30 volunteers, the low perfusion of test arm was createdby inflation of bloodpressure cuff1 SpO values were monitored continuously1 The error frequency and dropout frequency were recorded 2 and compared. Results Both of the error frequency and dropout frequency of SpO readings increased sig-