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首页> 外文期刊>Respiratory care >The Clinical Significance of Patient Specimen Transport Modality: Pneumatic Tube System Impact on Blood Gas Analytes
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The Clinical Significance of Patient Specimen Transport Modality: Pneumatic Tube System Impact on Blood Gas Analytes

机译:病人标本运输方式的临床意义:气管系统对血气分析物的影响

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INTRODUCTION: A pneumatic tube system (PTS) is a cost-effective, rapid transport modality that utilizes induced pressure changes. We evaluated the clinical importance of 2 transport modalities, human courier and PTS, for blood gas specimens. METHODS: Following open heart surgery, 35 simultaneous pairs of arterial and venous blood gas specimens were analyzed from 20 subjects. Of each pair, one specimen was transported to the blood gas laboratory via a human courier and the other via a SwissLog PTS. Transport modalities were compared using the Bland-Altman limits of agreement method. RESULTS: Compared with the walked specimen, the bias for P-aCO2 was -8.0 mm Hg (95% CI, -40.0 to 24.5 mm Hg); P-aCO2, -0.94 mm Hg (95% CI, -3.76 to 1.86 mm Hg); P-vO2, -0.60 mm Hg (95% CI, -6.90 to 5.70 mm Hg); P-vCO2, -0.58 mm Hg (95% CI, -3.12 to 1.92 mm Hg) for the PTS specimen. CONCLUSION: The difference in the P-O2 and P-aCO2 of paired (walked vs tubed) arterial and venous blood gas specimens demonstrated a slight bias. P-aCO2 values demonstrated the greatest bias, however not clinically important. Thus, PTS transport does not impact clinical interpretations of blood gas values.
机译:简介:气动管系统(PTS)是一种利用诱导压力变化的经济高效的快速运输方式。我们评估了血气标本的两种运输方式(人信使和PTS)的临床重要性。方法:在进行心脏直视手术后,对来自20位受试者的35对同时的动脉和静脉血气样本进行了分析。每对样品中,一个通过人类快递员运送到血气实验室,另一个通过SwissLog PTS运送到血气实验室。使用Bland-Altman协议限制法比较运输方式。结果:与行走标本相比,P-aCO2的偏倚为-8.0 mm Hg(95%CI,-40.0至24.5 mm Hg)。 P-aCO2,-0.94毫米汞柱(95%CI,-3.76至1.86毫米汞柱); P-vO2,-0.60毫米汞柱(95%CI,-6.90至5.70毫米汞柱);对于PTS标本,P-vCO2为-0.58毫米汞柱(95%CI,-3.12至1.92毫米汞柱)。结论:成对的(步行的和管的)动脉和静脉血气样本的P-O2和P-aCO2的差异显示出轻微的偏差。 P-aCO2值显示出最大的偏差,但在临床上并不重要。因此,PTS运输不会影响血气值的临床解释。

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