Evaluation of Ketostix for plasma acetoacetate

Area of Science:

• Clinical Chemistry
• Biochemical Diagnostics

Background:

• Plasma acetoacetate levels are important indicators in metabolic monitoring.
• Accurate and convenient measurement methods are crucial for clinical diagnostics.

Purpose of the Study:

• To evaluate the reliability and practicality of Ketostix for quantifying plasma acetoacetate.
• To compare Ketostix results with a standard gas chromatography (GC) method.

Main Methods:

• Utilized Ketostix reagent strips for semi-quantitative measurement of acetoacetate in plasma.
• Employed a colorimetric comparison against a provided chart for quantitation.
• Recommended sample dilution and averaging for concentrations between 4-12 mmol/L.
• Validated results against a gas chromatography (GC) method.

Main Results:

• Ketostix provides a convenient and reliable method for plasma acetoacetate measurement.
• Results obtained using Ketostix showed good agreement with the established GC method.
• Analyst bias in color interpretation was found to be minimal.
• The stability and user performance of Ketostix were assessed for quality control.

Conclusions:

• Ketostix reagent strips are a suitable and user-friendly tool for assessing plasma acetoacetate levels.
• The method offers a practical alternative to more complex analytical techniques like GC for routine testing.
• Quality control measures, including stability and user performance, are important for ensuring accurate results.