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Related Experiment Videos

Blood glucose determinations in newborns: four instruments compared

H Schlebusch1, M Niesen, M Sorger

  • 1Center for Obstetrics and Gynecology, University of Bonn, Germany.

Pediatric Pathology & Laboratory Medicine : Journal of the Society for Pediatric Pathology, Affiliated with the International Paediatric Pathology Association
|May 5, 1998
PubMed
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The HemoCue B-Glucose analyzer (I) is the only suitable device for accurate neonatal blood glucose monitoring. Other analyzers showed significant inaccuracies and influences from hematocrit and temperature.

Area of Science:

  • Neonatal Medicine
  • Clinical Chemistry
  • Medical Instrumentation

Background:

  • Accurate blood glucose monitoring is critical for neonatal care.
  • Portable analyzers offer convenience but require rigorous validation for specific populations.
  • Neonates present unique physiological challenges impacting glucose measurement.

Purpose of the Study:

  • To evaluate the accuracy and precision of four portable blood glucose analyzers for neonatal use.
  • To compare the performance of HemoCue B-Glucose (I), Accu-Check III (II), One-touch II (III), and Glucometer Elite (IV).
  • To identify analyzers suitable for reliable blood glucose determination in newborns.

Main Methods:

  • Comparative analysis of four portable blood glucose analyzers using neonatal capillary blood.

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  • Assessment of precision, accuracy, and influence of hematocrit, temperature, and oxygen levels.
  • Evaluation of different measuring principles employed by the analyzers.

    • Main Results:

    • All instruments demonstrated satisfactory precision.
    • HemoCue B-Glucose (I) and Accu-Check III (II) showed good accuracy, though (II) had higher scatter.
    • One-touch II (III) and Glucometer Elite (IV) exhibited clinically unacceptable inaccuracies.
    • All devices were affected by hematocrit variations; instruments (II) and (IV) were also influenced by temperature, and (IV) by oxygen.

    Conclusions:

    • Only the HemoCue B-Glucose analyzer (I) meets the stringent requirements for accurate and precise neonatal blood glucose measurements.
    • Significant performance limitations were observed in analyzers (II), (III), and (IV) for this specific application.
    • Clinical decisions in neonates necessitate the use of validated and reliable glucose monitoring devices.