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Reference methods in clinical chemistry.

H Nakamura1, N Tatsumi

  • 1Nagase and Co Ltd, Osaka, Japan.

The Southeast Asian Journal of Tropical Medicine and Public Health
|August 5, 2000
PubMed
Summary

Standardizing enzyme activity measurements is crucial for accurate clinical chemistry. This study reviews current enzyme standardization efforts and compares reference methods to improve result reliability.

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Area of Science:

  • Clinical Chemistry
  • Biochemistry
  • Enzymology

Background:

  • Definitive methods and reference materials exist for analytes like glucose and creatinine.
  • Enzyme activity measurements lack standardization, leading to varied results and interpretation challenges.
  • Accurate and precise enzyme activity measurement requires a standardized reference method.

Purpose of the Study:

  • To report the current status of standardization for enzyme activity measurements.
  • To compare reference methods for key enzymes.
  • To present survey results on enzyme standardization in Japan.

Main Methods:

  • Review of existing literature and standardization initiatives.
  • Comparison of reference methods for representative enzymes.
  • Analysis of survey data from the Japan Medical Association.

Main Results:

  • Significant variability exists in current enzyme activity measurement methods.
  • Reference methods and consensus approaches are being developed.
  • International Federation of Clinical Chemistry guidelines are influential.

Conclusions:

  • Standardization of enzyme activity measurements is essential for reliable clinical diagnostics.
  • Further development and adoption of reference methods are needed.
  • International collaboration is key to achieving global standardization.

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