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Glucose Homeostasis: Regulation of Blood Glucose01:02

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Getting More Information From Glucose Meter Evaluations.

Jan S Krouwer1, Patricia E Garrett2

  • 1Krouwer Consulting, Sherborn, MA, USA.

Journal of Diabetes Science and Technology
|May 9, 2019
PubMed
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Glucose meter evaluations often overlook rare performance issues. This study suggests analyzing all results and adverse events to better understand glucose meter accuracy beyond standard ISO 15197 specifications.

Keywords:
ISO 15197MAUDEadverse eventsglucose meter error gridspecification

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Area of Science:

  • Medical Devices
  • Clinical Diagnostics
  • Biomedical Engineering

Background:

  • Glucose meter evaluations are crucial for ensuring device accuracy and patient safety.
  • Current ISO 15197 specifications, while widely used, do not fully capture all performance aspects.
  • A small percentage of results remain unspecified by current standards.

Purpose of the Study:

  • To propose methods for extracting more comprehensive performance data from glucose meter evaluations.
  • To highlight the importance of analyzing rare performance events and adverse events.
  • To identify limitations within the existing ISO 15197 specifications.

Main Methods:

  • Review of common glucose meter evaluation methodologies.
  • Analysis of unspecified results within the ISO 15197 framework.
  • Recommendation for incorporating adverse event data from databases like FDA MAUDE.
  • Critical examination of the ISO 15197 standard's limitations.

Main Results:

  • Standard evaluations may miss critical performance failures in 1% of results.
  • Highly discrepant results or failures to obtain readings can occur even in compliant meters.
  • Manufacturer evaluations can be enhanced by analyzing real-world adverse event data.

Conclusions:

  • Glucose meter evaluations need to encompass rare performance data for a complete accuracy assessment.
  • Analyzing adverse events from sources like the FDA MAUDE database is essential for manufacturers.
  • The current ISO 15197 specifications have inherent limitations that require attention.