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[How reliable is the Reflotron-HDL-cholesterol determination method?]
1Institut für Klinische Chemie und Hämatologie des Kantons St. Gallen.
Schweizerische Medizinische Wochenschrift
|December 29, 1990
Summary
The Reflotron method accurately measures high-density lipoprotein (HDL) cholesterol compared to standard methods. With proper training, this HDL cholesterol test meets laboratory quality standards.
Area of Science:
- Clinical Chemistry
- Biochemistry
Background:
- High-density lipoprotein (HDL) cholesterol measurement is crucial for cardiovascular risk assessment.
- Conventional methods for HDL cholesterol determination can be complex and time-consuming.
Purpose of the Study:
- To evaluate the accuracy and precision of the newly introduced Reflotron-HDL cholesterol assay.
- To compare the Reflotron method with a standard precipitation and enzymatic assay for HDL cholesterol.
Main Methods:
- Comparison of Reflotron-HDL assay with phosphotungstate/Mg2+ precipitation and CHOD PAP method.
- Analysis using three control materials and 100 patient EDTA plasma samples.
- Assessment of accuracy (vs. target values) and precision (within-series and inter-assay).
Main Results:
- Reflotron-HDL assay showed <5% difference from target values in control materials.
- Patient sample comparison revealed <3% difference between Reflotron and conventional methods.
- Within-series precision was <6.5%, and inter-assay precision was <3.2%.
Conclusions:
- The Reflotron-HDL cholesterol determination demonstrates acceptable accuracy and precision.
- The method meets quality requirements for HDL cholesterol testing.
- Performance is contingent upon well-trained laboratory personnel.