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  • Title: Point of care estimation of haemoglobin in neonates.
    Author: Hinds LE, Brown CL, Clark SJ.
    Journal: Arch Dis Child Fetal Neonatal Ed; 2007 Sep; 92(5):F378-80. PubMed ID: 17301113.
    Abstract:
    OBJECTIVE: To evaluate whether measurement of haemoglobin concentration in neonates using point of care testing agrees with laboratory measurement. DESIGN: 127 paired blood samples taken from babies on a neonatal intensive care unit for full blood count and blood gas analysis by point of care testing were reviewed according to current practice. A comparison was made between the laboratory and blood gas analyser haemoglobin measurements to assess limits of agreement and look for any systematic difference. SETTING: Neonatal Unit, Jessop Wing, Royal Hallamshire Hospital, Sheffield, UK PATIENTS: Babies staying on the neonatal unit, who currently have contemporaneous blood samples taken for full blood count and blood gas analysis by point of care testing. INTERVENTION: Results from blood samples were reviewed. MAIN OUTCOME MEASURE: Comparison between laboratory and point of care testing haemoglobin concentrations. RESULTS: The mean laboratory haemoglobin concentration was 155 g/l (range 30-226 g/l); the mean point of care testing haemoglobin concentration was 157 g/l (range 30-228 g/l). The mean (SD) difference between paired samples was 2 (11) g/l; 95% CI -4.0 to 0.1 g/l; and limits of agreement -23 to 19 g/l. CONCLUSIONS: The blood gas analyser on the neonatal unit at Royal Hallamshire Hospital, Sheffield, gives a useful estimation of haemoglobin concentration compared with laboratory measurement, with smaller sample volume. Although this does not replace a full blood count, it is a useful adjunct to neonatal care monitoring.
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