• Clinical biochemistry · Apr 2015

    Observational Study

    Clinical, operational and economic outcomes of point-of-care blood gas analysis in COPD patients.

    • Paloma Oliver, Antonio Buno, Rodolfo Alvarez-Sala, Pilar Fernandez-Calle, Maria Jose Alcaide, Raquel Casitas, Cristina Garcia-Quero, Rosario Madero, Ruben Gomez-Rioja, and Jose Manuel Iturzaeta.
    • Department of Laboratory Medicine, La Paz University Hospital, Madrid, Spain. Electronic address: paloma.oliver@gmail.com.
    • Clin. Biochem. 2015 Apr 1; 48 (6): 412-8.

    IntroductionArterial blood gas analysis is relevant in chronic obstructive pulmonary disease (COPD) management. The aim of this study was to evaluate whether the use of a blood gas analyzer in pulmonology departments improves the clinical, operational and economic outcomes when compared with clinical laboratory measurements.Patients And MethodsIt is an observational prospective study. 112 patients were selected. After specimen collection, the measurement was performed both in pulmonology office as point-of-care and in laboratory. We evaluated clinical outcomes (modification of the indication of long-term oxygen therapy (LTOT) according to results, changes in blood gas analysis results, relationship of the partial pressure of oxygen (PaO2) obtained in the medical visit and velocity of change of the PaO2, influence of total haemoglobin concentration and the change in PaO2), operational outcomes (turnaround time (TAT) from specimen collection to receiving the blood gas analysis report) and economic outcomes (overall cost per process of patient care).ResultsThere were discrepancies in the indication of LTOT in 13.4% of patients. All parameters showed changes. PaO2 levels showed changes in 2 ways, though they frequently increase over time. The correlation was not good in the other two clinical outcomes. The median TATs in pulmonology office were 1 min versus 79 in laboratory, with 52 min for specimen preparation and transport and 17 min for TAT intralaboratory. The overall cost for the 112 patients in pulmonology office and laboratory was 16,769.89€ and 22,260.97€ respectively.ConclusionsThe use of a blood gas analyzer in a pulmonology office improves clinical, operational and economic outcomes when compared with clinical laboratory.Copyright © 2014 The Canadian Society of Clinical Chemists. Published by Elsevier Inc. All rights reserved.

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