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  • Title: Stability of Biochemical Components in Blood Samples Transported by Tempus600/Sysmex GLP Robot Reception System.
    Author: Andersen IB, Mogensen N, Brandslund I.
    Journal: J Appl Lab Med; 2017 Jan 01; 1(4):376-386. PubMed ID: 33636801.
    Abstract:
    BACKGROUND: The Department of Clinical Immunology and Biochemistry, Lillebaelt Hospital, Denmark, and TIMEDICO invented and developed the Tempus600®, a pneumatic tube system (PTS). This system is only 2.5 cm in diameter and sends blood tubes directly, without packing before transport. Request forms need not be enclosed, since samples are labeled with patient and barcode ID. At the end of the pipes, a robot receives and places the tubes onto a GLP transport system after the principle of "first in, first out" (FIFO), whereafter the tubes are delivered to centrifuges and analytical equipment. The whole system has decreased the total turnaround time (ToTAT) from 2 to 3 h to <60 min. The aim of the study was to validate the Tempus600/GLP robot system for the 89 most frequent or critical components. METHODS: Two sets of blood samples were drawn from 100 patients. One set was sent by the Tempus600/GLP robot system, and the other was couriered directly to the laboratory for analysis. Results were compared using difference plots. RESULTS: The results for 85 of the components did not deviate from the optimized fast courier reference transport more than could be expected by the analytical variation. O2 saturation, oxyhemoglobin, and partial pressure of oxygen (Po2) deviated considerably from a clinical point of view. Partial pressure of carbon dioxide (Pco2) results were clinically acceptable for assessing patients with obstructive lung disease for hypercapnia. CONCLUSIONS: The Tempus600/GLP robot system can be used for transport of the majority of routinely used analytical tests.
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